Problem Reports

GMC Savana 2500

Report: Check Engine Light Due to Gas Cap Issue

• Check Engine Light Due to Loose or Worn Gas Cap
  A loose or worn gas cap could be cause the Check Engine Light to illuminate.

  Common Problems > GMC Savana 2500

• failure emissions , code po325
  Changed the front two o2 sensor , added 93 octane gas , run fine for 10 miles , then shut off t...

  Q&A > GMC > 1999 GMC Savana 2500

• Check Engine Light Due to Restricted Secondary Air Injection Check Valves
  One or both secondary air injection check valves may become restricted causing poor air flow re...

  Common Problems > GMC Savana 2500

• Check Engine Light and Misfire Due to Stuck Fuel Injectors
  One or more fuel injectors may become stuck closed causing an engine misfire  and the Chec...

  Common Problems > GMC Savana 2500

• Worn Valve Seats May Cause Engine Misfire
  The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engin...

  Common Problems > GMC Savana 2500