Questions & Answers for: grand prix gtp misfire

...grand prix gtp.it has been misfiring for the past few weeks. i had it scanned and it said #6 is misfiring. i have changed the plug, plug wire, coil pack, and injector and it is still missing. when i ...

Grand Prix GTP..I replaced the one but I am unable to locate the other. I was wondering if you know where it is or know where I can locate a diagram of the moter 3.4 DOHC online..Thanks for your help.

...grand prix mis fire codes my 03 gtp is shooting a random misfire code, i changed the cam sensor, plugs wires fuel injectors ect. it stumbles if you give it a lot of gas , but idles fine,any ideas??? ...

grand prix gtp and it also has vibrations as u drive Sounds like it is misfiring. Try changing the spark plugs and you MUST run premium fuel. I just want to know if changing the spark plugs solved the

...grand prix gtp 2 times...1 time one of my plugs was cracked the 2nd time my plug wire was laying on dip stick and started to melt....each time after replacing the plug and the wire it stopped ...

...Grand Prix GTP supercharger fluctuates when accelerating Our 2000 Grand Prix GTP surges off and on when the supercharger kicks in. The boost meter fluctuates. the OBD2 code comes up as P0303, piston ...

...grand prix gtp and I've replaced heads wires plugs ignition coils fuel injector fuel pump and I stool get a misfire in cylinder 5 code any ideas If your getting your info from code in ecm on the ...

...grand prix gtp changed spark plug number 3 due to misfire code now have an engne knock and hesitation when gas is pressed about half wayPlease this is our familys only vehicle and im lost check for ...

...grand prix gtp 3.8 supercharged engine P0306 PONTIAC - Cylinder 6 Misfire Detected https://www.autocodes.com/p0306_pontiac.html P0141 PONTIAC - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 2 ...

...Grand Prix gtp is overheating AutoZone tested it n found only a misfire in #3 could this cause it to overheating? That could have something to do with it in a round a bout way. When a cylinder ...