how do i fix my emission control

Question

im just learning bout engine/mechanic work & trying to figure out how to fix the problems im having on my 96 blazer please help, thanks Dan

Answer 1

Hi there

This code is for the pintal position on the egr valve. This can be caused by a few things, a bad EGR valve, egr valve control solenoid or a problem with the egr tube being blocked off.

P1406 CHEVROLET - EGR Valve Pintle Position Circuit

Read more: https://www.autocodes.com/p1406_chevrolet.html