4x4banger
Full Member
I drive a Toyota, YAYYYY!!!!
Posts: 157
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hunting
Apr 2, 2008 19:01:45 GMT -5
Post by 4x4banger on Apr 2, 2008 19:01:45 GMT -5
I'm working on a '93 p/u 2.4L, and it's hunting at idle (RPM's flutter up and down). Anyone know the most likely cause of this?
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Post by bowshtr on Apr 3, 2008 8:57:11 GMT -5
There could be several things. First off check vacuum. Generally you will get idle surges from vac leaks. I know mine used to surge when the brake was applied the same time as the ac was on. If thats not it clean out your throttle body with some cleaner, run some seafoam through her, check your power steering fluid.
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hunting
Apr 3, 2008 13:48:38 GMT -5
Post by ediblecrayons03 on Apr 3, 2008 13:48:38 GMT -5
x2 on the seafoam. thats some amazing stuff.
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hunting
Apr 4, 2008 19:33:08 GMT -5
Post by techjr on Apr 4, 2008 19:33:08 GMT -5
I got a 91 thats doing the same thing, I haven't pin-pointed the exact location but i know that the problem is being caused by a vacuum leak somewhere on the intake manifold. You might also check the throttle position sensor to make sure its working right.
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