LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (Engine Controls - Self-Diagnostics - 3.5L) >> Diagnostic Tests >> DTC P0171: Fuel Trim System Lean >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue and 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step number in the diagnostic procedures.

  1. 5

    If no problem was found, diagnose fuel system for a possible fuel related problem.

  2. 6

    If no problems are found, a worn cam, worn intake or exhaust values or other engine mechanical failures may be at fault.
scientia non olet · About LEMON Manuals