Lack of Power, Sluggishness or Sponginess
WARNING: This page is about a different variant/trim than selected.
- Compare the vehicle with a similar unit to help verify the vehicle has an actual problem.
- Inspect the engine oil level and quality.
- Inspect for auxiliary fuel filters. Aftermarket fuel filters may restrict fuel flow.
- Inspect for a skewed mass air flow (MAF) sensor. Refer to DTC P0101 and DTC P0102 or P0103 .
- On vehicles equipped with automatic transmission, inspect for a proper transmission operation.
- Inspect for a restriction in the charge air cooler.
- Inspect for an air leak in the charge air cooler.
- Inspect the engine electrical system for correct operation. Refer to Symptoms - Engine Electrical .
- Inspect for a worn or damaged turbo charger turbine wheel, shaft or compressor wheel.
- Verify that the exhaust gas recirculation (EGR) valve is fully closing. Remove the EGR valve and visually inspect that there is no light seen between the valves and the valve seats. Verify that the EGR valve does not bind when manually moving the valve.
- On vehicles equipped with automatic transmission, inspect for proper operation of the torque converter clutch (TCC). Refer to Torque Converter Diagnosis .
- Inspect the air conditioning system for proper operation. Refer to Air Conditioning (A/C) System Performance Test .
- Inspect the exhaust system for a possible restriction.