Ask Experts Questions for FREE Help !
Ask
    clegg's Avatar
    clegg Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 6, 2008, 05:58 AM
    High idle
    I have a 1989 chevy blazer with a 5.7 liter. I have changed temp sensor and throttle position sensor, but still have high idle. Wondering what else to check to remedy problem?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Dec 6, 2008, 07:37 AM

    . Clean/replace Idle Air Control Valve/hoses, throttle plate, throttle body, and ports. Here's what the IACV looks like:

    http://shop.advanceautoparts.com/Pro...pe=506&PTSet=A

    This link may provide some guidance:

    https://www.askmehelpdesk.com/cars-t...ml#post1054149

    . Adjust throttle cable--this may be the heart of the problem. Likely, back off one nut and tighten the other.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

91 honda civic high idle [ 7 Answers ]

I have a 1991 civic and I can't get it smogged because the idle won't go below 2000 rpm until it warms up then it surges. Any ideas what the problem could be?

2003 Honda Civic has high idle 3000 RPM [ 2 Answers ]

My 2003 Honda Civic LX with 47,000 miles has worked perfectly until now. Since yesterday, every time I start it, the engine revs up to 3,000 rpm in neutral or park and 2,000 rpm if in drive. I can control the car with the brake, but it runs away with me if I stop braking. So I can't drive it...

High Idle [ 1 Answers ]

I have a 94 Grand Am 3.1 liter engine that while in park idles at about 2500 RPM and when you put it in gear may go down to about 1500RPM. After warming up a bit it might drop to about 2000 RPM. Didn't see any obvious problems.

High Idle While Running. [ 3 Answers ]

I have a 1997 Honda Passport 3.2 engine that idles high around 1500 ot 2000 rpm while driving and the truck has been driven for 1/2 hour. If I turn it off and let it sit for about 5 minutes, it disappears until I drive it for a while again... any ideas? Thanks Ninpo23

91 Honda Civic high idle [ 5 Answers ]

91 Honda Civic, 1.5l, remains at high idle, 1000-1500 until manually turning off by depressing pedal. Once engine rev'ed over about 1500 does it again. Will not return to low idle on it's own. Does not surge like vac hose off. No engine code. If I disconnect the temp sensor at bottom of radiator...

View more questions Search