Questions & Answers for: code po442

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.

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.

...and po742 mean po442= evap emission control system leak (small) po742= torque converter clutch soleniod circuit stuck on i got these out of the booklet for my code reader po442pd wasn't ...

with 3800 engine with gas fume problems- code PO440 and PO442- I've replaced the purge valve and the problem still exists- what to do? Problem codes: PO440 and PO442. Did you try replacing the gas cap

would a evap emission control system leak cause fuel pump prpblems have a code comes up po442 unrelated. po442 check your gas cap, replace with oem, clear code and run it for a few days.

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

...Code PO442 That is an emissions code. It means you have a small leak in one of the lines. Most likely it the line that goes from the engine to the evap canister in the drivers side rear inner fender ...

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 ...