1. Park with the driver’s side closest
to the service station pump.
2. Open the fuel fill door by pulling
on the handle located under the
lower left corner of the dashboard.
3. Remove th
Your vehicle’s onboard diagnostic
system will detect a loose or missing
fuel fill cap as an evaporative system
leak. The first time a leak is detected
a ‘‘CHECK FUEL CAP’’ message
1. Park the vehicle, and set the
parking brake. Pull the hood
release handle located under the
lower left corner of the dashboard.
The hood will pop up slightly.
2. Reach in between the ho
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF.
4. Start the engine.
5. Wait at least 5 seconds.
6. Check for DTCs with the HDS.
Is DTC 86 indicated?
YES-Go to step 7.
NO-Intermittent failure, the system is OK at this time. Check for a loos
Component Location Index
EXHAUST GAS RECIRCULATION (EGR) VALVE
POWERTRAIN CONTROL MODULE (PCM)
EXHAUST GAS RECIRCULATION (EGR) PLATE
DTC Troubleshooting
DTC P0401: EGR Insufficient Flow
NOTE: Before you troubleshoot, record all freeze data and any on-board
snapshot, and review the genera