Problem Reports

Chevrolet Express 3500

Report: Check Engine Light Due to Gas Cap Issue

• 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 > Chevrolet Express 3500

• 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 > Chevrolet Express 3500

• 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 > Chevrolet Express 3500

• 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 > Chevrolet Express 3500

• Check engine light p1345
  My van has a check engine code of p1345 ignition control and also a secondary emission control...

  Q&A > Chevrolet > 1997 Chevrolet Express 3500