Diagnostic Aids

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Observe the freeze frame/failure records vehicle mileage since the diagnostic test last failed may help determine how often the condition occurs that caused the DTC to set. This may assist in diagnosing the condition.
The EVAP system tests run when engine is first started and meets The conditions for running the DTC. An intermittent condition could be caused by an improperly installed or damaged EVAP canister purge solenoid valve , or by a temporary blockage or restriction in the EVAP canister purge solenoid valve or the vent side of the EVAP system.