FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Test Notes

NOTE: You should enter this Pinpoint Test only when directed here.

REMEMBER
This Pinpoint Test is intended to diagnose the following:
- Canister Purge (CANP) Solenoid
- Vapor Management Valve (VMV)
- Carbon Canister
- Leaks in Fuel Vapor Hoses
- Vapor Orifice Rollover Valve
- Vacuum or vapor leaks caused by loose gas cap
- Possible fuel tank air vapor leaks
- Harness Circuits: CANP SIG, VMV SIG, SIG RTN (short in PCM), Vehicle Power (VPWR), and Power Ground (PWR GND)
- Powertrain Control Module (PCM)

DESCRIPTION










For additional information on the Evaporative Emission (EVAP) System, refer to Emission Control Systems / Evaporative Emissions System / Description and Operation.