Question about Volvo Cars & Trucks
Had a check ngone light on volvo s40 code is P2407 evap leak detection pump sense circuit intermittent
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: 2004 Mazda RX-8 PO455
It will not go off by itself,you will need to reset it by connecting to a diagnostic tool.Once cleared if there is any other problem then it will trigger the check engine light again.Hope this helps..
Posted on Sep 03, 2009
check ur gas cap for tight and proper seal that is the most common problem for the the evap codes if cap is good check fuel and vent lines for damage or leaks from gas cap under vehicle up to engine compartment
Posted on Oct 18, 2009
the charcoal canister that absorbs the fumes is in engine area-u see a hose attached to it ina corner--inspect hose rite down to the gas tank as well as all parts of system--itz an EPA thing and doesnt effect car performance
Posted on Oct 05, 2010
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Thermostat Rationality Test
Check the operation of the thermostat (it may be stuck open).ECT Sensor is contaminated, damaged or it has failed.Inspect for low coolant level or for an incorrect coolant mixture.Trouble Code: P0440
EVAP Purge System Fault
EVAP purge valve vacuum supply is leaking or clogged.EVAP purge valve is stuck closed.EVAP purge solenoid has failed.NVLD assembly (leak detection) is damaged or has failed.NVLD switch circuit is open or the NVLD switch has failed.Ground circuit is open.PCM has failed.Trouble Code: P0456
EVAP Small Leak (0.020") Detected
.EVAP fuel tank or canister vapor hoses leaking or damaged.EVAP system component leaking, fuel cap loose or missing.Leak detection pump damaged or leaking.Trouble Code: P0622
Generator Field Control Circuit Malfunction
Generator field control circuit is open or is shorted to ground.Generator field control circuit is shorted to system power (B+).Generator field ground circuit is open.Generator is damaged or PCM has failed.PCM has failed.Here are the codes and causes.
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