Testing Notes

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

Evaporative Emission System:

REMEMBER: This Pinpoint Test is intended to diagnose the following:

- Canister Purge (CANP) Solenoid.

- 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, SIG RTN (short in PCM), Vehicle Power (VPWR), and Power Ground (PWR GND).

- Powertrain Control Module (PCM).