20 Most Recent 2002 Pontiac Grand Prix - Page 7 Questions & Answers

Need a repair shop to check for codes & find a problem There is nothing that tells you when to change your oil You need to study OBD 2 Systems, to learn why you get dash lights on & what to do,assuming you have no owners manual

The transponder does not recognsie the key chip

Other than the obvious (radios etc that have been added) I would check the diode in the alt. It is like a one way valve so it will charge but when shut off drain the batt. when bad.

Go to any auto parts store that carries Loctite brand mirror foot attachment glue kits, follow instructions to the letter, if not it will fall off right away.

by doing this you are breaking a federal law as no emission system can be removed or deactivated. you don`t say why your thinking about doing this. the converters do not cause any restriction in the exhaust to speak of.

Possible blend door

Check The Transmission Fluid, Is It Low? Check At Operating Temperature, Is The Fluid In The Cross Hatched Area Of The Dip Stick? Is It Touching The Dip Stick? If It Is Not On The Dip Stick It May Just Be Low, Or, After You Add Fluid To Top It Off (Get It In The Cross Hatched Area Of The Dip Stick) And It Still Will Not Go Into Gear Or Move The Vehicle Normally, The Clutches May Be Smoked (Shot, Ruined) Have An Experienced Transmission Mechanic Look At It To Tell For Sure. If You Could Get It To A Trans. Shop By Trailer, They May Take A Quick Look & Tell You If There Is Any Hope. Hope This Helps.

Sounds like dirty, or partially clogged injectors. Have you run some fuel system cleaner through your gas tank? This is the least costly approach. Try 2 bottles in a full tank. Next could be dirty throttle body and or clogged air filter...no reference to mileage? Again these are small fixes you can attempt yourself. Read the instructions on a can of injector cleaner spray, and spray into your throttle body unit. You will need to completely remove the large inlet hose to gain access to spray...Hope this helps.

It is your converter I had the same problem on my 2002 Grand Prix GTP...Danny

If you have warm air on one side and cool on the other, you've a situation with the vent flaps. But to backflush the core, take both hoses off the core and run a garden hose to the outlet side going towards the water pump. This will flush it.

On the starter I’m happy to assist further over the phone at https://www.6ya.com/expert/joseph_cfbe9ad29efdc8bb

Under vehicle, center, below trunk area, rear of fuel tank, mounted in fuel line . Mmm. M I’m happy to assist further over the phone at https://www.6ya.com/expert/joseph_cfbe9ad29efdc8bb

your friends comments are good advice, but first did you check the trans fluid level when you checked the condition etc of the fluid ? as low fluid could cause these symtoms,if the level is ok i'd then get the OBD codes read as this will show what sensor/switch may be faulty ie the speed sensor mentioned by your friend but by doing the OBD you will have a diagnostic result,keep me posted

I think a Parking Brake issue The symbol is in the owners manual & on web sites

Good fuel pressure, but none to the cylinders? Check the injector circuit. All injectors will have battery voltage to them with the key on. A "noid light" can be used to check both power and ground. The light should be blinking when the engine is cranked. Noid lights are cheap, and just plug into an injector connector. If it blinks with the engine cranking over, the circuit is good-both power and ground.

There is a resistor on the side of the fuel capsule in the tank It can be purchased seperately, but I would suggest replacing the fuel cell as it isn't much more to replace the fuel pump cell and it has a new fuel guage built in.

One problem is the non-working fuel guage sender, the other is ...? Well, it doesn't really matter because the tank pump (even if working fine) and fuel level sender are an integrated unit and must be removed and replaced as a unit after the tank is unbolted/unstrapped and lowered down for acces to its top. It might seem bothersome to not be able to replace only pump or sender (which would be cheaper) but, in the long run, why not reinstall the tank with full life expectancy for both sender and pump before you have to face a difficult and unpleasant tank removal the next time...which could be years, weeks, days in the future. In most cases, the job is one they they have neither facilities, help, tools, patience or confidence to perform; so for them its bite-the-bullet time. Get several bids, for sure.