Thread: P0446
View Single Post
Old 10-23-2018, 08:07 PM   #3
sweetbmxrider
Meet Coordinator
 
sweetbmxrider's Avatar
 
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,339
iTrader: (12)
Quote:
Check for the following conditions:

- A loose, missing, damaged, or improperly installed fuel cap.

- Missing or damaged O-rings at EVAP canister fuel vapor and purge line fittings.

- A cracked or punctured EVAP canister.

- A damaged or disconnected source vacuum line, EVAP purge line, vent hose or fuel tank vapor line.

- A poor connection at the VCM: Inspect the harness connectors for the following conditions:

- Backed out terminals.

- Improper mating.

- Broken locks.

- Improperly formed or damaged terminals.

- Poor terminal to wire connection.

- A damaged harness: Inspect the wiring harness to the EVAP vent solenoid EVAP purge solenoid and the fuel tank pressure sensor for an intermittent open or short circuit.

A kinked, pinched or plugged vacuum source, EVAP purge, or fuel tank vapor line. Verify that the lines are not restricted.
Testing does incorporate fuel tank pressure sensor in the diagnostic tree.
__________________
sweetbmxrider is offline   Reply With Quote