Circuit/System Testing
- Verify that DTC P0237 or P0238 is not set.
- If a DTC is set
Refer to DTC P0237 or P0238 .
- Go to next step: If none of the DTCs are set
- If a DTC is set
- Verify the conditions listed below do not exist:
- Loose clamps, cracks, or other damage in the air intake duct system
- Collapsed or restricted air intake duct system
- Restricted air filter
- Splits, kinks or improper connections at the vacuum hoses
- Missing, restricted or leaking exhaust components - Refer to Symptoms - Engine Exhaust .
- Vacuum leaks at the intake manifold and throttle body
- If a condition exists
Repair or replace the component as necessary.
- Go to next step: If none of the conditions exist
- Replace the B111 Turbocharger Boost Sensor.