Why is the Check Engine light back on on my Porsche 911?
The fault codes will suggest faulty O2 sensors. This results in many folks replacing the front O2 sensors in the hopes of solving the problem, only to discover that within a few hundred miles the check engine light is back on. The problem is actually caused by the MAF failing and by owners blindly believing the reported engine faults.
When did the Porsche 911 Turbo come out?
Porsche began using turbochargers in the 917 racecar in the early 1970s and introduced its first Porsche 911 Turbo model in 1974. The 911 Turbo arrived in the United States for model-year 1976, and with its 234-horsepower engine (U.S.-spec) could achieve 0-62 miles per hour (0-100 km/h) in 5.5 seconds.
Why does my Porsche 911 have a vacuum problem?
Crankcase vacuum exceeds the normal range in the engine under heavy acceleration and sucks in air damaging the rear main seal. This is commonly seen on Audi engines as well.
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.
The fault codes will suggest faulty O2 sensors. This results in many folks replacing the front O2 sensors in the hopes of solving the problem, only to discover that within a few hundred miles the check engine light is back on. The problem is actually caused by the MAF failing and by owners blindly believing the reported engine faults.
Crankcase vacuum exceeds the normal range in the engine under heavy acceleration and sucks in air damaging the rear main seal. This is commonly seen on Audi engines as well.
What to do when your check engine light comes on?
Our service technicians have the most up-to-date diagnostic equipment that can quickly read Porsche OBD-II Trouble Codes. When your vehicle has a problem and your check engine light comes on, the On-Board Diagnostics (OBD) system in your vehicle will also trigger a code that can be used to diagnose what might be wrong.
Why is my Porsche 997 ignition coil misfiring?
Figure 3. 997 ignition coil. So lets say you have checked everything related to fuel, air, and spark and are still getting a misfire. Don’t forget that there could also be a problem with the actual engine itself. Compression is also needed with the other three key sections in order for an engine to run properly.
What should I do if I see a warning light on my Porsche?
Check coolant or engine oil level. Add coolant or engine oil if necessary. Switch engine off and let it cool. Check coolant level. Add coolant if necessary. Stop in a suitable place and switch engine off. Do not continue driving. Have the fault remedied at an authorized Porsche dealer.
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.
Why does my check engine light come on in my Porsche?
Has the check engine light turned on in your Porsche Macan, Cayenne, Panamera, Boxster, Cayman, or 911? It can be alarming seeing an engine warning appear on your dashboard, especially if you’ve never seen it before. A wide array of issues can cause a check engine light to come on, some more serious than others.
What to do if your check engine light is not working?
Although there are some steps you can try, like checking the gas cap or looking for anything loose under a hood, you will usually be pretty much in the dark without reading the diagnostic trouble codes (DTCs). Porsche check engine light should only be reset after you read the codes and fix the problem.
Why is my Check Engine light not working on my Cayenne?
Secondary Air Pump: Older cayennes have secondary air pumps, which inject fresh air into the exhaust manifolds to lower emissions. However, this system can cause several problems. With time, air hoses can become very brittle and break under vibration. Another common failure point is the pump itself, as fan rotors brake-off.
How to reset oil service light Porsche 911 Carrera?
Depress the odometer reset button a second time until the work Reset or Re appears on the monitor. The message Reset or Re will continuously flash. Push the odometer reset button quickly to complete the reset. End SIA appears to indicate a successful reset of the system. . Oil change Porsche 911 Carrera.
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.
Where is the oil in a Porsche 911?
All years of air-cooled 911 keep some oil at the bottom of the engine case, but most of it is stored in a separate, remote oil tank. This means that there isn’t just one, but two oil drain plugs that need to be removed to allow the oil to drain completely.
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 causes smoke at the start of a Porsche 911?
The smoke at startup can also be caused by a air oil separator (AOS) that is going bad but not completely failed yet. The M96 and M97 engines are famed for cylinder scoring – deep gauges in the cylinder liner, usually associated with a knocking noise and eventually catastrophic engine failure.
Where is the fuse box on a Porsche 911?
This fuse box information is ONLY for the following Porsche models and years: – 1997 to 2006 Porsche 911 (996) Carrera, 4, S, 4S, Targa and Turbo – years 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 and 2006 The fuse box in the Porsche 911 (996 series) is located on the doors side of the drivers footwell, under a black cover.
Where are the ground locations on a Porsche 911?
The grounds used in Porsche 911 Carrera models from 1985 to 1989 are shown in Table a. Table a. Ground Locations (Quick Reference) Luggage compartment, left (on inner fender panel at rear of fuse box)
How do you change the light bulb on a 911 Carrera?
With the assembly pushed back into the fender, use the headlamp tool from your 911 Carrera tool kit to lock it into place. If you don’t have this tool, you can also use a 5mm socket. With the tool facing upward, rotate it toward the rear of the car to lock it into place, or rotate it toward the front of the car to unlock.
How do you change the lenses on a Porsche Carrera?
Replacing old, faded lenses not only improves your Carrera’s overall appearance, it also increases its safety as well. Faded lenses tend to be harder to see and block much more light than brand new ones. On the front of the 911, the side marker lenses are removed by simply pulling on them. A snap-tab holds them in place.
Where is the third brake light on a Porsche Carrera?
Shown here is the third brake light directly above the rear engine lid. Pry out the small insert piece on the third brake light lens (red arrow) with a small screwdriver.
Where is the release plug on a Porsche Carrera?
Pull back the side carpeting on the inside of the trunk and locate the black rubber plug as shown here (green arrow). Pull the plug out of the body. Insert lower left. With the plug removed, you can see the headlight release cam assembly inside. Use the tool supplied in the vehicle tool kit to turn the release cam (blue arrow).
Why is my Porsche Carrera convertible top worn out?
As the car ages, the convertible top is asked to withstand a variety of elements, be it heat, cold, dirt or rain. Couple this with constant stretching and releasing and you can understand how much wear and tear the overall system goes through. This article is not intended to show you how to replace the convertible top fabric.
Are there any mechanical problems with my Porsche 911?
Listed below are Porsche 911 common mechanical problems with their likely resolutions. These are the most frequent 911 problems diagnosed by our repair shops over the years. An accurate diagnosis of an issue by a Porsche mechanic typically saves you time and money – see our guide to local independent Porsche repair shops that can help.
How can I fix the top on my Carrera?
Over time, sunlight, heat and cold works to break down the glue holding the headliner fabrics together. An easy fix here is to scrape away as much of the old glue as possible and apply some contact cement and tension the top.
What to do if you have a problem with your Porsche 911?
If your 911 has mechanical issues that don’t appear here, simply drop us an email via the forms or pop-up contact and we’ll do our best to share a solution with you. Clicking on a heading gives you more detail.
What happens to the battery in a Porsche 911?
Leaving the battery to drain completely usually shortens the life of the battery as well. A flat battery on a 911 can be a pain. To access the battery or engine compartment requires battery power for the electric hood release – not easy with a flat battery. If this happens, use the following procedure:
What’s the oxygen sensor on a Porsche Carrera 4?
The Porsche factory workshop manuals state the following: “911 Carrera 4 has a new, water-proof oxygen sensor. Water-proof means that the upper sensor section and housing are connected leak-proof with a later welded seam and previous reference air openings are omitted. Reference air is now taken via the connecting lead and plug connection.
Can a worn out O2 sensor be replaced?
New O2 sensors should have the same exact plug – ready to attach to your car. When you remove the O2 sensor, you will probably find that it is coated with black soot. This is normal for an old, worn out O2 sensor. On our project car here, the O2 sensor was covered in motor oil and coolant.
The Porsche factory workshop manuals state the following: “911 Carrera 4 has a new, water-proof oxygen sensor. Water-proof means that the upper sensor section and housing are connected leak-proof with a later welded seam and previous reference air openings are omitted. Reference air is now taken via the connecting lead and plug connection.
Are there any problems with the Porsche 996?
Not all of the 996 cars will have the IMS problem, and it can be rectified for a few grand if you’re concerned, but it’s on the mind of every buyer out there. IMS problems aside, the 996 is absolutely stuffed with fragile, fast-wearing and expensive components, many of which can’t be reached without dropping the engine.
If your 911 has mechanical issues that don’t appear here, simply drop us an email via the forms or pop-up contact and we’ll do our best to share a solution with you. Clicking on a heading gives you more detail.
The smoke at startup can also be caused by a air oil separator (AOS) that is going bad but not completely failed yet. The M96 and M97 engines are famed for cylinder scoring – deep gauges in the cylinder liner, usually associated with a knocking noise and eventually catastrophic engine failure.
What was the first year of Porsche 911?
We currently have exploded early 911 views for the 1969 model year. There are model happens to be somewhat in the middle of the early 911 development timeline. More exploded views are on their way…
Why does my Porsche 911 make a knocking noise?
The M96 and M97 engines are famed for cylinder scoring – deep gauges in the cylinder liner, usually associated with a knocking noise and eventually catastrophic engine failure. The root cause of this issue is open to discussion, however, wear in the piston rings and liners causes the piston to wobble.
Why does my Porsche 911 battery keep draining?
One of the most common problems is the continuous drain on the battery. One example would be a situation where you leave the car sitting for a week or two, and the battery becomes completely drained. This means that something is “on” inside the car at all times bleeding the battery of power.