2001 Saturn SL "code po442" Questions

code PO442 - Missing or loose fuel cap - Incorrect fuel filler cap used - Fuel filler cap remains open or fails to close - Foreign matter caught in fuel filler cap - EVAP canister or fuel tank leaks -

...code PO442 (medium emissions leak) so it can either be the fuel cap, fuel tank pressure sensor, or fuel pressure regulator? I need ur help. We already replaced the cap, so what else can it be? If ...

...code that does not make any sense to my mechanic. PO341. Also PO442. Any help or suggestions????? Hello ihatethiscom: My name is Roger and I will help you. The code p0341 Is for the camshaft position ...

...Transmission (automatic) shifts hard when putting it in gear and every gear there after. The only codes I get is PO442 and PO410. Any help would be greatly appreciated. Common problem for these

code PO442 What does diagnostic code PO442 entail? PO442 is an Evaporation Emission leak. It's probably a loose gas cap. The fix would be $96.00 at our dealership, since your truck is out of warranty.

what are the problems when it had diganostic codes of po 496 po 455 po442 and po121 po121 is throttle position sensor is out of range.po442 is emissions system leak detected small leak.po455 is same ...

error code po442 1998 saturn sl1 what should iI look for on this error code? Is it a vacuum hose leak? Google the codes & read up You need a repair shop to diagnose the Evap System TYPE: OBD PO442

ford trouble codes po442.......po455.where to look for problem. have repacedgas cap. EVAP Codes. You will have to go thru entire evap system,looking for a small leak (po442) Hoses,Switches,Valves etc.

code po442 eng ligh on code po442 you have a small leak in your evap system

engine light on. Codes PO455 and PO442? engine light on. Codes PO455 and PO442? There is a pretty good emissions leak somewhere.