How to troubleshoot a Porsche 911 Carrera engine?
Here’s a few useful 84-89 carrera tidbits that others sent me while going through my recent diagnosis. 1. Remove a spark plug wire and insert a test plug into the wire, place it next to the engine, have someone crank the engine and look for a spark (or remove one of the plugs and do the same).
Can a car start and die at the same time?
You’ll hear the engine turning and everything will seem fine. However, there may come a point in time when your car will actually start but then die almost immediately afterward. There is never a convenient time for your car to suddenly quit working on you when you have somewhere to go.
Why is my Porsche 911 engine not starting?
If the relay doesn’t fix it, it could be the DME computer itself, faulty sensors (flysheel speed and position), or faulty grounds. Try disconnecting the DME computer and cleaning the contacts. 7. Check all ground connections (brown wires) for corrosion. Disconnect them, clean them, and replace.
Where are the DME fuses on a Porsche 911?
All DME-related fuses are up front, but there are three fuses under the plastic cover at the left rear side of the engine compartment. 9. If you have one available, swap in a known working DME computer from a 911 friend. Be careful that you have the right production year and part number because there are differences in the pin mappings.
Here’s a few useful 84-89 carrera tidbits that others sent me while going through my recent diagnosis. 1. Remove a spark plug wire and insert a test plug into the wire, place it next to the engine, have someone crank the engine and look for a spark (or remove one of the plugs and do the same).
If the relay doesn’t fix it, it could be the DME computer itself, faulty sensors (flysheel speed and position), or faulty grounds. Try disconnecting the DME computer and cleaning the contacts. 7. Check all ground connections (brown wires) for corrosion. Disconnect them, clean them, and replace.
What to do if your 911 engine starts?
If you have one available, swap in a known working DME computer from a 911 friend. Be careful that you have the right production year and part number because there are differences in the pin mappings. 11. If the DME is okay, you can listen to the injectors with a stethoscope, if they click, then power is getting to the injectors.
All DME-related fuses are up front, but there are three fuses under the plastic cover at the left rear side of the engine compartment. 9. If you have one available, swap in a known working DME computer from a 911 friend. Be careful that you have the right production year and part number because there are differences in the pin mappings.
What to do if your Porsche 911 engine wont start?
2. Remove the air cleaner cover and air filter, and spray some fuel into the intake. You will have to hold open the little “door” inside there with something. If it starts briefy then dies you probably have a fuel problem. 3. You can jumper a hot wire to the fuel pump and listen to it whir to prove that it’s working.
How did the Porsche 911 Carrera t get its name?
Its name references the 911 T of 1968-1973, a basic model designed to lower the barrier of entry for Porsche’s then-new rear-engine six-cylinder sports car. There are gray painted mirrors, a modern reinterpretation of the single chromed mirror you used to get on a 911, while cloth seats and fabric door pulls also recall days gone by.
What should the voltage be on a Porsche 911 starter?
When the car is running, the alternator should be outputting anywhere from about 12.5 volts to about 14 volts. If you don’t see any significant change in the voltage after you start up the car, then your alternator or voltage regulator could be faulty.
When did Porsche try to phase out the 911?
Recall that in the 1980s, Porsche tried to phase out the primitive, tricky-to-drive 911 with the sensible front-engine 944 and 928. It didn’t work, mainly because people kept buying 911s, faults be damned. By making the 911 bigger and improving the handling, the 991 got further away from what made the 911 so beloved in the first place.
Is there a problem with my Porsche 911?
At one time or another, everyone will have problems starting their 911. It’s almost inevitable with older cars of any make, and Porsches certainly are not exempt. What do you do when the car won’t crank? There are a few steps and procedures that you can follow to track down the problem.
Why is the Porsche 911 Carrera 4 all wheel drive?
That’s why the twin-turbo horizontally opposed engine, the transmission, the chassis, the brakes and all the control systems are designed for one thing: the highest performance. The ‘4’ in the Porsche model designation represents the four driven wheels in all-wheel drive models.
When did the first Porsche 911 come out?
Unmistakable: in 1963, F. A. Porsche achieved great success with the 911 silhouette. With clear lines and the unity of form and function. Over 50 years later, the world knows many sports cars. But only one 911.
Is the Porsche 911 a coupe or open top?
The Coupe version of the 911 embodies Porsche DNA in its purest form: the long, flat hood, the steeply inclined windshield and the roof line that slopes gently down towards the rear, already characterized the original 911. The open-top variant of the 911 has always been characterized by a heightened feeling of freedom and plenty of fresh air.
If you have one available, swap in a known working DME computer from a 911 friend. Be careful that you have the right production year and part number because there are differences in the pin mappings. 11. If the DME is okay, you can listen to the injectors with a stethoscope, if they click, then power is getting to the injectors.
What causes a Porsche 911 starter to fail?
The electrical portion of the ignition switch is another source of trouble. This small part often wears out and fails after many years. Some symptoms of this problem is an ignition switch that requires a lot of force to start the car. Another symptom is headlamps that flicker on and off when you wiggle the key.
When to replace ignition switch in Porsche 911?
The car can refuse to start some of the time, the key may not turn too easily in the ignition, or strange electrical problems like the headlamps flickering on and off may appear. Either way, the correct solution is to replace all or part of the ignition switch.
Why is my starter light green on my Porsche 911?
With age often comes corrosion, and as we can see simply by looking at the Statue of Liberty, copper corrodes quite easily, leaving a light green layer that doesn’t conduct very well. The solution is to track down the problem in the wiring and fix it.
What was the difference between the Porsche 356 and 912?
Porsche recognized that the 911 would cost considerably more than the outgoing 356 due to increases in technology and performance, including a larger, more powerful engine, so the 912 was introduced to bridge the gap between the outgoing 356 and the 911.
What kind of engine does a Porsche Carrera GT have?
The Carrera GTS was available as both a coupé and cabriolet and got a wider body and track and an upgraded 3.8-litre engine generating with 413 horsepower. Notable Porsche 997 Models 2007 Porsche 911 Turbo Cabriolet
When was the Porsche 911 Carrera 991 made?
The 911 Carrera 991 was launched in 2012 model year and production of the 991 generation only recently ended on December 20, 2019. With more than 233,000 units produced over a seven-year period, there are some excellent used examples to be found, in what was the seventh generation of the 50-year development of the 911 platform.
How many horsepower does a 1993 Porsche Carrera have?
In terms of engines, the 1993 911 Carrera was available in two engine configurations, both of them 3.6-liter, producing 272 and 285 horsepower respectively. A member of the latest 911
What kind of transmission does a Porsche 911 have?
The Tiptronic (automatic with manual override) transmission was a new system on the market and the Amer… For the 1974 model, the Porsche 911 featured a new look, somehow similar to the older model, but it was different. Both the interior and the engine were revised to offer more comfort and power.
Why is my Porsche 911 Carrera 991 overheating?
The 991 is commonly subject to a failure of one of the front duct mounted cooling fans. This is often due to a build up of debris that destroys the fans bearings and can cause engine overheating. Take a flash light and look closely to see whether the front air intakes are full of rotting leaves and debris when you inspect the 991.
What’s the price of a 2001 Porsche 911?
The original MSRP of the 2001 Porsche 911 is from $67,265 to $111,765. The data above is updated daily, based on used car inventory for sale on CARFAX for the last five model years of this car.
What’s the fastest mile a Porsche can go?
Porsche 0-60 Times & Quarter Mile Times | Porsche 911, 718 Boxster, Cayman, Macan, Cayenne, Panamera Turbo & more 0 to 60 stats!
Do you know the Porsche 0 to 60 times?
Zero to 60 times does not guarantee the accuracy of any of the Porsche 0-60 mph times. Our car specs website is considered by many, to be the most easy-to-find directory for car statistics including classic cars, hybrid cars, luxury cars, muscle cars, sports cars and more!
Why is there a 5 blade fan on a Porsche 911?
Make sure that you reconnect all of the wires to their proper terminals when you are done. In 1975, Porsche implemented a five-blade fan instead of the normal 11-blade one on all the 911 motors. The purpose of this fan was to provide less cooling to the engine, forcing it to run hotter.
When does the indicator light go out on a Porsche 911?
Indicator lamp is dim after starting, and gets brighter as engine rpm increases. Indicator lamp is dim after startup, but eventually gets dimmer and goes out when engine RPM increase. Indicator lamp is dim after startup, and gets dimmer as rpm increases, but never goes out.
What should the idle speed be on a Porsche 911?
The idle speed is adjusted by allowing more air to bypass the closed throttle. Using a large flathead screwdriver, simply rotate the screw clockwise to reduce the idle, and counter clockwise to increase it. The idle should be set to be about 950 rpm. So what can go wrong on with the CIS? Plenty.
Are there any problems with the Porsche 911 CIS?
Although the CIS has a reputation for reliability, it is also known for having a few characteristic problems. Warm and cold start problems are common, as well as backfiring and poor performance at startup. On the early 911s, the CIS didn’t even operate properly, until the car was warmed up.
Why does my Porsche 911 have a vacuum leak?
Any vacuum leaks will cause problems in regulating the mixture, and may also result in an uneven idle. To check for vacuum leaks, spray some carb cleaner or starting fluid around the hoses and injectors of the fuel injection system. If the engine idle increases, then you probably have a vacuum leak that needs to be tracked down.
When did Porsche 911 start using fuel injection?
In 1980, emissions requirements forced the introduction of an oxygen sensor into the system, which helped the engine to better run at the appropriate mixture level through the regulation of fuel pressure inside the fuel distributor. The two primary adjustments for the CIS are the idle speed and the mixture adjustment.
What kind of car is a 1986 Porsche 911?
1986 Porsche 911 Carrera Cabriolet. 1986 Porsche 911. 46k miles. This car has been garaged and well taken care of its whole life. We are the second owners and bought the car in 1996 with just ove… More Info ›
Is there a 1986 Porsche 911 Targa FEA?
In a word, this car is a rocket. It was modified by a respected shop out of Danbury, CT and 1986 Porsche 911 Carrera TargaThis very desirable original paint 1986 Porsche 911 Carrera Targa fea 1986 Porsche 930 Turbo, absolutely gorgeous, stunning original Guards Red paint with excellent Blac
Is the Porsche 911 Turbo in good condition?
Excellent Condition, low mileage Porsche 911 Turbo in original Guards Red paint over Black leather interior. This car is clean without any leaks or rust and runs perfectly and has a clean Carfax. T… More Info ›
Is there a 1986 Porsche Carrera Turbo for sale?
1986 Porsche Carrera CoupeTurbo Look M491Here is a rare limited production 1986 Porsche Carrera Coupe Turbo Look M491 featured here matching numbers (Certificate of Authenticity included). Availabl… More Info ›
Why does my Porsche 996 refuse to start?
I purchased a porsche 911 996 year 2000 I dont have the remote control only was given the key. Im having problems starting the vehicle, I have power to the starter and I hear the click of the carborator opening an… Jump to content Existing user? Sign In Sign In Remember meNot recommended on shared computers Sign In Forgot your password?
When did my Porsche 996 series come out?
November 7, 2009in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa) Share Followers0 Start new topic Recommended Posts atwal870
What happens when you shut off the a / C in a Porsche?
When the a/c electrical circuit to the clutch is excited with 12 volts and enough current the clutch’s magnet pulls the clutch hub into the pulley. Friction takes over and the two pieces turn in unison. So, let’s shut off the engine and locate the clutch’s wire.
Is there a problem with my Porsche 911 Carrera?
This “D-chunk” problem seems ironically to occur mostly in gently driven cars. 911 Carreras that are driven hard at the track or on the street do not tend to see this type of damage. At least with respect to the track cars, one theory is that these cars tend to have their oil changed much more often.
What causes oil starvation in Porsche 911 Carrera?
In addition to the standard issues associated with the non-traditional sump system, the flapper windows on the bottom of the engine are manufactured out of plastic and can break off inside the sump and clog the oil pickup tube. This leads to oil starvation and complete engine failure.
What happens when the air separator fails on a Porsche 911?
When this unit fails, the result is oil sucked out of the engine and into the intake. While the air-oil separator will not cause immediate mechanical damage to your engine, it may make it smoke tremendously and/or run roughly (see Pelican Technical Article: Porsche 911 Air Oil Separator).
Why is my Porsche 911 not starting up?
If you don’t see any significant change in the voltage after you start up the car, then your alternator or voltage regulator could be faulty. If the voltage is high at the battery (around 17 volts or higher), then the regulator is most likely faulty and needs to be replaced.
When the car is running, the alternator should be outputting anywhere from about 12.5 volts to about 14 volts. If you don’t see any significant change in the voltage after you start up the car, then your alternator or voltage regulator could be faulty.
Do you need thermal expansion on a 911?
Yes, Yes, Yes. thermal expansion will close up the gap a bit when it gets warm. Set the valves cold. Most 911’s sound like a bag of parts in the back of a pick-up truck when idling around town. If you engine sounds good at idle and at 4-5k than I think your fine.
The electrical portion of the ignition switch is another source of trouble. This small part often wears out and fails after many years. Some symptoms of this problem is an ignition switch that requires a lot of force to start the car. Another symptom is headlamps that flicker on and off when you wiggle the key.
Why does my 911 not start when it is not warm?
Hello, Have been fighting this one for over a year. 82 911 with CIS. Car will not readily start when the engine is not warm or at operating temp. Stumbles, won’t take fuel. Seems to be a lean condition. Once it get to temp it smooths out and idles and runs well. It is an occasional self-healer but always reverts.
What are the different types of Porsche 911s?
A series letter is used by Porsche to indicate the revision for production cars, usually on an annual basis. 911s have also been categorized into families based on body styles or engine enhancements: 911 Carrera: including the Carrera, Carrera S, Carrera 4, Carrera 4S, Carrera GTS, Carrera 4 GTS, Carrera T.
Which is better a Porsche 911 or a Carrera GTS?
Carrera GTS. For the 2011 model year, Porsche introduced the first ever GTS model for the 911. Designed as a drivers car, the GTS was more powerful than the S, better handling via a bespoke suspension design, and positioned as a more street friendly alternative to the GT3, Porsche’s track-focused 911 variant.
Where did the 2003 Porsche 911 come from?
No accident or damage reported to CARFAX. 1st owner purchased on 11/10/02 and owned in CA until 09/30/05 • 2nd owner purchased on 10/13/05 and owned in AZ until 01/22/08 • 3rd owner purchased on 01/22/08 and owned in CA until .
What kind of DME relay does Porsche 993 have?
The precise workings of the DME relay and its related circuits are beyond the scope of this article, but it’s worth noting that both the 964- and 993-model 911 Carreras work in a slightly different way to the four-cylinder, front-engined cars.
How are crankshaft sensors installed on a Porsche 911?
When installing sensor mounting bracket, position sensor tip correct distance (A) from toothed wheel using slotted bracket mounting bolt hole (arrow). Crankshaft Sensor Clearance Specifications • Sensor tip to toothed wheel (A) 0.08 mm (0.031 in.) • Tighten sensor mounting bolt. • Be sure wiring is correctly routed into engine compartment.
What is the part number for the Porsche DME relay?
The DME relay in 944s, 924Ss, 968s and 964s originally bore the part number 944.615.227.00. This was updated for the 993, and carried part number 993.615.227.00. The newer part is a direct replacement for the 944 unit, and although it looks much the same it’s claimed by Porsche to be more reliable.
When did the Porsche 911 win the World Championship?
In the mid-1970s, the naturally aspirated 911 Carrera RSR won major world championship sports car races, such as Targa Florio and 24 Hours of Daytona, even against prototypes. The 911-derived 935 turbo also won the 24 Hours of Le Mans in 1979 and Porsche won World Championship for Makes titles in 1976, 1977, 1978 and 1979 with 911-derived models.
Is the Porsche 911 Targa an open top car?
With its characteristic roll-over bar and innovative roof concept, the 911 Targa is a timeless classic. And at the same time it is an open-top variant of the 911 with the comfort and safety of an enclosed car. The Coupé version of the 911 embodies Porsche DNA in its purest form: the long, flat bonnet, the steeply inclined windscreen.
If you don’t see any significant change in the voltage after you start up the car, then your alternator or voltage regulator could be faulty. If the voltage is high at the battery (around 17 volts or higher), then the regulator is most likely faulty and needs to be replaced.
How does the starter work on a Porsche 911?
Another problem area for starting is the starter, of course. The starter is a somewhat complex device for what would seem to be a simple task. There is a solenoid on the starter that both actuates the small gear that turns the flywheel and switches on the main starter motor.
November 7, 2009in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa) Share Followers0 Start new topic Recommended Posts atwal870
Why does my Porsche clutch not work when hot wired?
Clutch does not work when hot wired. Inspect the wire’s connector for poor contact (corrosion or breaks). Check the negative ground wire from the clutch to the compressor’s body. If no problems are found you’ll need to verify if clutch is getting electrical power.
Why do I have trouble shooting my Porsche air conditioner?
For R12 systems, if you see a strong stream of small bubbles you are low on refrigerant. With R134a systems or conversions we are not to concerned with refrigerant flow observed at the sight glass because the flow can be cloudy and little if any (with R134a you are more concerned with pressures and temperatures).
Why does my 911 SC not cold start?
The decel valve will, by design, allow “false air” to bypass the throttle when decelerating. Plug that stinker. Since you can’t start easily cold, I think you have a CSV issue. the CSV will overcome a host of cold start issues with a typhoon of gasoline laden vapor.
Why does my Pelican have a cold start problem?
There are several things that could cause your cold start problem. Check these: 1). Cold control fuel pressure. 2). WUR is delivering the specified fuel pressure at x temp. 3). CSV is working during cold start phase. 4). No significant source of unmetered air. 5). Check if the FV is vibrating or pulsating when FP is running.
What’s the price of a Porsche Carrera 4?
The Carrera 4 (C4) version of Porsche’s venerable 911 is-as you may be aware-an all-wheel-drive model commanding about a $7000 premium over the cost of the rear-wheel-drive 911.
Is the Carrera 4 a rear wheel drive car?
Nearly everyone on this launch got carsick. The Carrera 4 (C4) version of Porsche’s venerable 911 is-as you may be aware-an all-wheel-drive model commanding about a $7000 premium over the cost of the rear-wheel-drive 911.
Where was the 2004 Porsche 911 Carrera 4 last serviced?
1st owner drove an estimated 8,216 miles/year • 2nd owner drove an estimated 898 miles/year • 3rd owner drove an estimated 3,501 miles/year • 4th owner drove an estimated 4,522 miles/year. Last serviced at 52,827 miles in Allison Park, PA on 04/27/21 • Vehicle serviced.
What kind of car is a Porsche Carrera S?
911 Carrera S. The Coupe version of the 911 embodies Porsche DNA in its purest form: the long, flat hood, the steeply inclined windshield and the roof line that slopes gently down towards the rear, already characterized the original 911. 911 Carrera 4S Cabriolet.
How many horsepower does a Porsche 911 Carrera 4 have?
Motor Term Value Design and cylinders Twin-turbocharged boxer 6 Bore 91.0 mm Stroke 76.4 mm Displacement 2,981 cc
How to repair Porsche 911 Carrera convertible top mechanism?
Pop both cables off the ball joints and fold the rear window flap up over the top. Directly below, you’ll see a carpeted area held in place with four plastic rivets. Pry the rivets out with a small screwdriver and carefully work the carpeting over the two large plastic blocks on either end.
What are examples of electrical problems in Porsche 911?
Example: a dashboard light goes on when you hit the brake, but only when the rear defogger is on, or the radio only works when you are in reverse. As bizarre as it sounds, electrical problems like these are very common on these older cars, and unfortunately, they can be quite difficult to fix.
Another problem area for starting is the starter, of course. The starter is a somewhat complex device for what would seem to be a simple task. There is a solenoid on the starter that both actuates the small gear that turns the flywheel and switches on the main starter motor.
Example: a dashboard light goes on when you hit the brake, but only when the rear defogger is on, or the radio only works when you are in reverse. As bizarre as it sounds, electrical problems like these are very common on these older cars, and unfortunately, they can be quite difficult to fix.
What to do if your Porsche 911 Fuse has blown?
If the relay checks out, then you want to make sure that the fuse is still good. Identify the proper fuse, and check to make sure that it has not blown. Also, the long tubular fuses that the 911 uses are susceptible to corrosion building up on the terminals. Make sure that the fuses are clean and securely seated.
When did Porsche stop making the Carrera 4?
In 2000, power output on the base Carrera model was increased to 224 kW (305 PS; 300 hp). 2001 marked the final year of production for the base Carrera 4 Coupé in narrow body format. In 2002, the standard Carrera models underwent the above-mentioned facelift.
What causes an oil leak in a Porsche 911?
A failing air oil separator (aos) is the likely cause of rear main seal failure and oil leaks, as it is in other VAG cars. Crankcase vacuum exceeds the normal range in the engine under heavy acceleration and sucks in air damaging the rear main seal.
When was the Porsche 996 replaced by the 997?
It was replaced by the 997 in model year 2005. The 996 had little in common with its predecessor, with the first all new chassis platform since the original 911 and a new water-cooled engine. Technically, it was a major change, a complete breakthrough from the original car other than overall layout.
What’s the frunk latch on a Porsche 911?
The 911’s frunk latch has used one since the 996 launched for 1999. And the company has always provided a workaround for opening the frunk when the car’s battery dies, which, since 2002, involves applying 12 volts to a pin in a fuse panel. Dead battery?
What’s the internal code name for a Porsche 911?
Type 964 (“nine-sixty-four”, or “nine-six-four”) is Porsche’s internal code name for the 911 Carrera 2 and 911 Carrera 4 models, which were badged simply as “Carrera 2” and “Carrera 4”. “964” is used by automotive publications and enthusiasts to distinguish them from other generations of the Carrera.
A failing air oil separator (aos) is the likely cause of rear main seal failure and oil leaks, as it is in other VAG cars. Crankcase vacuum exceeds the normal range in the engine under heavy acceleration and sucks in air damaging the rear main seal.
When did the final run of Hot Wheels start?
The Hot Wheels Final Run was a series that started in 1999 for retiring Hot Wheels models. The series has been inactive since 2005. The castings in the series this year were packaged in an exterior ornamental sleeve packaging.
What does the series letter mean on a Porsche 911?
The series letter is used by Porsche to indicate the revision for production cars. It often changes annually to reflect changes for the new model year. Not all of the Porsche 911 models produced are mentioned here. The listed models are notable for their role in the advancements in technology and their influence on other vehicles from Porsche.
How did the Porsche 911 Carrera RS get its name?
Porsche 911 Carrera RS 2.7 touring RS stands for Rennsport in German, meaning race sport. The Carrera name was reintroduced from the 356 Carrera which had itself been named after Porsche’s class victories in the Carrera Panamericana races in Mexico in the 1950s. The RS was developed to meet motorsport homologation requirements.
When did the Porsche 911 Sportomatic come out?
A semi-automatic Sportomatic model, composed of a torque converter, an automatic clutch, and the four-speed transmission was added in Autumn 1967. It was canceled after the 1980 model year partly because of the elimination of a forward gear to make it a three-speed.
Which is the highest performance version of the Porsche 911?
GT2/GT2 RS: the highest performance derivative, a track-focused version based on the Turbo with rear wheel drive. No cabriolet version has ever been produced to date. Now available as an RS (Renn Sport) model only. The 911 traces its roots to sketches drawn by Ferdinand “Butzi” Porsche in 1959.
Where is the ignition switch on a pelican?
Loosen the locknut right under the steering wheel where the steering lock connects with the steering column. Loosen the set screw that the locknut is holding. Don’t completely remove it, but get it pretty loose. The switch is now loose, and should come out. It takes a bit of maneuvering.
The car can refuse to start some of the time, the key may not turn too easily in the ignition, or strange electrical problems like the headlamps flickering on and off may appear. Either way, the correct solution is to replace all or part of the ignition switch.
When installing sensor mounting bracket, position sensor tip correct distance (A) from toothed wheel using slotted bracket mounting bolt hole (arrow). Crankshaft Sensor Clearance Specifications • Sensor tip to toothed wheel (A) 0.08 mm (0.031 in.) • Tighten sensor mounting bolt. • Be sure wiring is correctly routed into engine compartment.