P0440 Diagnostic Trouble Code Discussion for September 2017
General EVAP System Failure
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| Help Request | Posted | |
| 2001 BMW X5 4.4i 4.4L MIL Lamp on VIN: WBAFB33571 P0440: Evap system. P0440 Evap code, smoke tested system while using scanner to close the solenoid valve in the DTML found no leaks, we did have a code for P0443 we replace the tank vent valve aka purge valve. That code doesn't come back only this new code. P0440. All data has ... |
September 08, 2017 | |
| 2007 Jeep Wrangler X 3.8L Evap VIN: 1J4FA24137 P0440: General EVAP System Failure. Originally in for P0440. Smoke tested and found leak on top of tank, most likely a cracked fuel module. Cant see it from any angle that I could find. I plugged and pinched off various hoses to narrow it down. The customer decided to wait on the repairs. He ca... |
September 20, 2017 |
