What kind of engine problem does Porsche 911 have?

What kind of engine problem does Porsche 911 have?

Wayne R. Dempsey Figure 1 This photo shows the flywheel end of an Figure 2 This is the infamous “D-Chunk” problem t Figure 3 Here is a fully repaired M96 engine with Figure 4 Although it may not look like much, this

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 to do if your Porsche Carrera engine is leaking?

If you find that your engine is leaking from the rear main seal (also known as the flywheel seal), then simply install a new one while adding a little bit of Curil-T sealant to help keep it dry (see Photo 10 of Pelican Technical Article: Clutch Replacement on the Porsche 911 Carrera ).

What kind of engine does a Porsche Carrera have?

The horizontally opposed engine was developed with a throwback to the traditionally air-cooled motors, having kept the opposing cylinder or boxer layout. The engine was designed from the outset with the goal of providing a common platform for both the Boxster and the upcoming Porsche Carrera.

What kind of engine does the Porsche Targa have?

The all-new Porsche 911 Targa shares the 3.6-liter, 320-horsepower engine, 911 Turbo-inspired front-end styling and interior enhancements with the redesigned 911 Carrera models that Porsche introduced for 2002. The larger engine makes these the most powerful normally aspirated 911 models ever offered in North America.

Do you need new pistons in a Porsche 911?

You will need new pistons any time you have the cylinders over bored. FYI: Pistons are a component of a reciprocating engine. The pistons ride up and down in the cylinders and are sealed tight by the piston rings.

What’s the difference between Porsche 911 Targa and 2002?

The 2002 911 Targa expands on the concept of the previous model, which introduced a large power-operated sliding glass roof that slid under the rear window. The biggest difference from the previous Porsche 911 Targa is that the rear window in the new model is hinged to open, providing convenient access to the rear luggage compartment.

How does a Porsche 911 Targa hatch open?

Holding the lock button for more than three seconds closes the roof and windows. The 2002 Porsche 911 Targa is the first 911 to feature a rear hatch opening. The glass hatch opens either by the electric release located near the door sill or remotely from the key fob.

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.

Is the 1986 Porsche 928S Idles erratic after few minutes?

The PPI was good, the seller said it was running great in COLORADO. It starts ok, but after a few minutes it start to idle erratic and almost dies, then it drives like it is pulling a boat. After it stalls, it is very hard to start, but eventually it starts after 5 minutes. And the cycle continues.

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.

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.

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.

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.

Why does my Porsche 911 have a cold start?

Cold start problems can often be attributed to the thermo-time switch or the warm-up regulator. For more information than you will probably every need on the CIS, take a look at the book, “Bosch Fuel Injection & Engine Management” by Charles O. Probst.

Why does my Porsche 911 have oil starvation problems?

As a result of the lower oil holding capacity and other factors, the M96/M97 engines tend to suffer more from oil starvation problems, particularly during high performance driving. There are a few things you can do to protect against oil starvation problems. Firstly, be sure that your oil level is always at the high-level mark of your dipstick.

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 does my Porsche 997 lose power at high revs?

If there is a bad connection, then it could make your Porsche 997/911 have a sudden loss of power due to lack of voltage to the engine, especially at high revs when more power is needed. Figure 1. Check spark plug wires and coil packs. It might be faulty.

Posted In Q&A