Pinpoint Test Notes

PINPOINT TESTS

NOTE: Reinstall or install new evaporative emission hose clamps removed or damaged during testing procedures.

Possible Causes
- DTC P0442, P0456 or P0457 can be generated by:
- Loose or missing fuel filler cap
- Loose or damaged connectors to the fuel vapor hoses, tubes or connections. (including EVAP canister assembly, tank assembly, vapor lines, purge valve)