Problem Reports

GMC Sonoma

Report: Distributor Shaft O-Ring Seal May Leak Oil

• pcv valve test.
  How do I check pcv valve to know if it is operating correctly? I have a sudden engine oil leak coming from near the rea...

  Q&A > GMC > 1996 GMC Sonoma

• Internal Faults in Distributor Can Cause Engine Problems
  The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell...

  Common Problems > GMC Sonoma

• 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,...

  Common Problems > GMC Sonoma

• low oil pressure at hot idle
  2000 gmc 2.2 s15 pick up the oil gauge goes to zero at idle after it warms up

  Q&A > GMC > 2000 GMC Sonoma

• need to replace the oil pan gasket
  how do i change the oil an gasket without removing the engine?

  Q&A > GMC > 1992 GMC Sonoma