Check Engine Light with Shaking and Power Loss
The check engine light is illuminated, accompanied by engine shaking and power loss. This combination typically indicates a misfire condition, which can be caused by faulty spark plugs, ignition coils, or fuel delivery issues.
Diagnosis Details
Possible Causes
Faulty spark plugs or ignition coils causing cylinder misfire
Fuel injector clogging or failure leading to lean misfire
Vacuum leak or intake manifold gasket failure affecting air-fuel mixture
Related OBD-II Codes
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What You Should Do
Have the vehicle diagnosed with an OBD-II scanner to retrieve the specific trouble code.
Common codes include P0300 (random misfire) or P0301-P0304 (cylinder-specific misfire).
Inspect and replace spark plugs and ignition coils as needed.
Check fuel injectors and perform a fuel system cleaning if necessary.
Also inspect for vacuum leaks.
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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.
