Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Repair Verification
- Engine running, observe the scan tool MAP and BARO parameters. The MAP and BARO sensor parameters should be within 5 kPa of each other.
- Engine running, command the turbocharger Vane Pos. Ctrl. Solenoid valve ON. With a scan tool, slowly increase the engine speed from idle to 2,000 RPM and then return the engine to idle speed. The MAP sensor parameter should increment to a higher value and then return to a near BARO value at idle.
Certain engine control conditions can cause the exhaust particulate filter (EPF) to overload with soot. It will necessary to clean the EPF as instructed to remove the excess soot accumulation. To avoid the customer's return to the service department, perform the Exhaust Particulate Cleaning procedure.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.