Have a 2005 Chevy trailblazer that has a rough idle..I have changed the plugs and cleaned the throttle body don't know what else do to..any suggestions?

30

Asked by Apr 23, 2015 at 04:16 PM

Question type: Maintenance & Repair

5 Answers

7,675

air filter restricted maybe.

30

Changed that too...sorry didn't mention that

7,675

possible small vacuum leak somewhere.

30

I've noticed that it idles rough when in reverse or drive only and it's not constant it's kinda intermittent

7,675

That's because the load increases on the engine and makes the problem more noticeable, I still think you have a small vacuum leak somewhere

Your Answer

Shortcuts

Maintenance & Repair Experts

  • #1
    Tom Demyan
    Reputation
    177,730
  • #2
    dandyoun
    Reputation
    94,470
  • #3
    tennisshoes
    Reputation
    77,250
View All

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.