P0442 Diagnostic Trouble Code Discussion for November 2009
EVAP System Small Leak Detected
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| Help Request | Posted | |
| 2000 Chevrolet Malibu LS 3.1L MIL Lamp on VIN: 1G1NE52J7Y P0442: EVAP System Small Leak (0.040") Detected. Car came in mil light on with P0442 purge valve had charcoal in it smoked system found vent valve open all the time replaced all three parts road tested car three times for 10 miles customer picked up car Friday Saturday light came on same code smoke test agai... |
November 04, 2009 | |
| 2001 Oldsmobile Alero GL 3.4L Misfire, MIL Lamp on VIN: 1G3NL52E61 P0442: EVAP System Small Leak (0.040") Detected. This car misfires after sitting for a while, but only on cyl #1 and only for 10-30 seconds or so then it smoothes right out. I have swapped plug and wire with others to see if the miss moves, but it does not. I removed upper intake and fuel rail, pressured up ... |
November 11, 2009 | |
| 2001 Oldsmobile Alero GL 3.4L Misfire, MIL Lamp on VIN: 1G3NL52E61 P0442: EVAP System Small Leak (0.040") Detected. This car misfires after sitting for a while, but only on cyl #1 and only for 10-30 seconds or so then it smoothes right out. I have swapped plug and wire with others to see if the miss moves, but it does not. I removed upper intake and fuel rail, pressured up ... |
November 12, 2009 | |
| 2000 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNDI13WXY P0442: EVAP System Small Leak Detected. guys, po442-evap small leak, i have replaced the purge valve, and smoked the evap system, cannot find any leaks,car is really rusted underneath, what am i missing, |
November 18, 2009 | |
| 2001 Saturn SL2 1.9L MIL Lamp on VIN: 1G8ZJ527X2 P0442: EVAP System Medium Leak (0.040") Detected. all data diag says check voltage we have 5vdc reference, jump wire check for fuel pressure voltage nothing, ohm out wires from i/p connector and pcm all ok still cant get reference volt to fp sensor please help!!! |
November 23, 2009 |
