2002 Pontiac Grand Prix "gas tank code cap" Questions

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...gas tank.The computer vents the tank to the vapor canister and the engine every few minutes when the engine is running.Sometimes the leak is a faulty gas cap, sometimes it is a hose or valve in the ...

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Question about Pontiac Grand Prix

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...tank leaking  Tech notes The P0455 it’s a very common code, because the code is set if the gas cap is loose or missing. Start by tighten the gas cap and clearing the code. In most cases the code ...

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...leaking - Fuel tank leaking Your gas cap is either not tight or needs to be replaced.You have a fuel vapor leak in the evaporator emissions system. po496 evaporative emission sisten high purge ...

...charcoal cannister and is that located by the gas tank What code ? P0442 or P0456 or p0455 DTC EVAP P0442 P0455 P0456 EVAP Leaks P0442 and P0455 Wells EVAP Training with Sgt Tech P0440 P0441 P0442 ...

Question about Pontiac Grand Prix

1 Answer

...gas cap from GM dealership and light still comes on, I went to Auto Zone and their code checker just comes up with large vacuum leak. Anyone have any ideas for me? Could possible be the Fuel Tank ...

...you need to check the vacuum hoses and fittings going back to the gas tank. you have to make sure there are no cracks in the hoses and make sure all the connectors have good o rings. leave ...

...evaporator canister, or fuel pressure sensor. From my experience, 9 out of 10 causes for this is the cap, followed by the vapor canister (due to constantly overfilling the tank when getting

GAS CAP NO BROKEN VAC.LINES UNDER THE HOOD AND DO NOT SEE A EVAP CAN The evap system may be located right next to the fuel tank. You'll most likely see a can, hoses, solenoids, etc. I hope this points

...gas tank; It is a part of this very complex system. Give that valve a good visual inspection (broken or worn wires/connectors or loose hose) before you purchase the purge valve. ...

gas cap and its on tight Hi, are you saying the trouble code is P0455, or have you not scanned the car? If you have not scanned the car, please get a free scan at you local parts chain and send us the

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