P0440 Diagnostic Trouble Code Discussion for March 2008
General EVAP System Failure
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| Help Request | Posted | |
| 2002 Chevrolet Impala 3.4L MIL Lamp on VIN: 2G1WF52EX2 P0440: EVAP System No Flow During Purge. ... #P0442. Performed EVAP smoke test and initially could not find any source of leaks. Confirmed with Tech 2 scanner that vehicle's EVAP system is not holding vacuum. After further testing found vent solenoid is sticking and therefore replaced solenoid. Retes... |
March 06, 2008 | |
| 1999 Chevrolet Monte Carlo 3.8L No Start P0440: EVAP System No Flow During Purge. we have no spark but injector pulse and fuel pressure. 2 different ign modules installed, good power and groud. good crank sensor ( 3x and 18x signal), cam sensor good (inj pulse sync through pcm only, not spark control). put new crank sensor in anyway, tone w... |
March 17, 2008 |
