
Transmission Slipping or Clutch Failure
The engine revs freely but the car does not accelerate, indicating a loss of power transfer from the engine to the wheels. This is most likely a transmission issue, such as slipping or internal failure, or a clutch problem in a manual transmission.
Diagnosis Details
Possible Causes
Low or contaminated automatic transmission fluid (ATF) causing clutch pack slippage
Worn or failed clutch (manual transmission) or torque converter (automatic)
Transmission control module (TCM) fault or solenoid failure
Related OBD-II Codes
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What You Should Do
Check transmission fluid level and condition.
If low, top off and test.
If fluid is burnt or dark, a transmission service or rebuild may be needed.
For manual, inspect clutch operation.
Have a professional scan for transmission-related trouble codes and perform a road test.
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.

