1998 Chevy Blazer

Tiny
GREY77
  • MEMBER
  • 1998 CHEVROLET BLAZER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 190,000 MILES
Where are the idle air control motor and egr volve located on chevy blazer 1998 and how do you adjust the timing
Wednesday, December 9th, 2009 AT 5:39 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
The Idle Air Control (IAC) valve is located on the throttle body assembly.

The Exhaust Gas Recirculation (EGR) valve is located on the top, front of the engine.

Your ignition timing is controlled by a control module and is not adjustable.
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Wednesday, December 9th, 2009 AT 6:49 PM

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