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G8

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Question
Will my car having shifting problems if my purge valve solenoid is bad
A leaking purge valve can cause a hard start and rough running after getting fuel due to vapors flooding the engine out. The shifting problem is most likely not related to the purge valve. This sounds like a shift solenoid...
Question
Won't Shift into drive, 2008 Pontiac G8
Unfortunately, it sounds like you have an internal transmission problem that will require the transmission be rebuilt or replaced. A transmission that won't go into any forward gear almost always indicates an internal mechanical problem as opposed to an electrical...
Question
Key won't turn over, 2009 Pontiac G8
An engine that cranks but doesn't start is lacking one or more of the following: compression, fuel, or spark. You need to check for each of the following to determine the cause. You can check fuel pressure using a dedicated...
Question
Installing a new BCM, 2009 Pontiac G8
According to the factory repair information, a replacement BCM must be programmed using OEM equipment. It states the vehicle will not start and many other functions will not operate properly until programming has taken place. My advice is to have...
Question
Broken belts oil leak
This vehicle uses only one belt and an automatic tensioner. You didn't say what engine you have, but the V8 engines are known for having problems with the harmonic balancer coming loose or falling apart. This could be one reason...
Question
Engine shakes when I turn on the car for the first time in the day
This is somewhat normal for this car upon start up unless it is excessive. As to the check engine light, I would suggest not clearing the codes, but rather having the computer scanned by a qualified mechanic from Your Mechanic...
Question
Does the engine need to be lifted forward in order to replace the oil pan gasket?
Hi there, thanks for writing in. The oil pan is clear to be removed without lifting the motor. The original pan gasket is riveted to the pan. The new gasket does not need to be riveted on to pan for...
Question
would skipping an oil change cause a P0008 code
Diagnostic Trouble Code P0008 sets when the engine control module (ECM) detects an out of range variation in the mechanical timing of the crankshaft and the camshaft. The crankshaft and camshaft(s) are normally moving in a fixed position, relative to...
Question
May car is not starting after shutting it off
Hello, thank you for writing in. The vehicle may be having a starter or ignition issue. With intermittent problems, it is typically related to an electrical problem or component beginning to fail. The first thing to do is a visual...
Question
Engine rattles when I I turn on my engine for the first time in the morning. It seems like it only does it when it's cold
Hello. Most likely, the noise you describe is coming from one or both of the camshaft phasers on your engine. These devices which are operated by engine oil pressure, vary camshaft timing (relative to the crankshaft), enhancing engine performance and...
Question
Hello. On 08 pontiac g8 do I have to replace the whole thermostat housing if is leaking or could just get seals and change thermo
Hi there: Today's OEM parts are made to be cost-effective as opposed to help mechanics fabricate repairs to be honest with you. So, it's probably a good idea to replace the entire housing for a few reasons. First, the thermostat...
Question
Q: Engine swap
If your vehicle is equipped with a 6L90 transmission, the engine may bolt up to it, but you may have trouble getting the smaller engine to mount in the vehicle correctly and you will have to see how you will...
Question
Engine Swap - 2009 Pontiac G8 GT
The 6.0L engine from the 2008 or the 2009 model year G8 will interchange (match: VIN Y, 8th digit, opt L76). To obtain this engine, simply search at Car-Part.com and you will find an exact match for your car (there...
Question
Transmission noise after shutting down engine.
Hello. The grinding noise is likely an internal transmission issue. Putting the new transmission fluid inside of it likely freed up some already sticking components that were already beyond tolerance ranges and they are now becoming abrasive. I would suggest...
Question
My 2008 Pontiac G8 GT has a collapsed lifter, and i want to have contact with a mechanic experienced in rebuilding Gen IV LS motor
California guidelines prohibit the modification of the camshaft that you are contemplating. Consequently, anyone in California who is actually a knowledgeable engine specialist is not going to do this kind of work because it would be flat out illegal. There...
Question
Q: Cold start
Hi Anas. Thanks for contacting us today. The cold start injector is typically the cause of initial starting difficulty in colder weather. However, the crankshaft sensor might be the source or the electrical harness could be loose as well. The...
Question
What happens if my car is stuck in Drive- turned off now and wont start over. It is Pontiac 08 - automatic
Many times the shifter assembly will not move unless the brake pedal is depressed and the key is in the on position. The vehicle also will not start unless it is in the neutral or park position due to the...
Question
Still having shuddering/vibration turning left curve after tire rotation, brakes & rotors replaced by Your Mechanic -cause?
If there is wear and looseness in the outer CV joint that can lead to vibration on turns as the joint is extended. Often, though, you will get a visible indication of a problem as the outboard rubber boot will...
Question
i was driving my 2008 Pontiac G8 down the road was heading up a hi and ll of a sudden nothing pulled over to the side of the road
If by chance the fuel level is really low and you drive up a steep enough hill, the car could stall. There are other causes of intermittent stalling, though, such as intermittent electrical connections on key circuits (fuel, ignition, etc.)....

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