Problem Reports

GMC S15

Report: Check Engine Light Due to Oxygen Sensor Failure

• Engine Oil Leak in Valve Cover Gasket
  This engine may leak oil from the valve cover gasket.

  Common Problems > GMC S15

• Intake Manifold Gaskets May Leak Coolant or Engine Oil
  The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine wit...

  Common Problems > GMC S15

• ABS Light Due to Brake System Control Unit Failure
  The Anti-lock brake system (ABS) control unit may fail internally causing the ABS warning light...

  Common Problems > GMC S15

• Internal Faults in Distributor Can Cause Engine Problems
  The distributor may develop internal faults. This can cause a rough running engine or stalling...

  Common Problems > GMC S15

• Electrical Contacts in the Ignition Switch May Fail
  The electrical contacts in the ignition switch may fail and result in erratic instrument panel...

  Common Problems > GMC S15