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jetmech54
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Posted 2 Years, 11 Months ago #1
I have replaced the egr valve, crankshaft sensor, and the idle air control valve, but the engine still idles high unfortunaly I do not have a tach to see what the actual rpm is but you can tell that it is high. could it possibly be the computer? I am at a loss need some advice.
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Jeffie
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Posted 2 Years, 11 Months ago #2
Jetmech54 welcome to the forum

Isn't it a good thing to have a high rpm? (you can see I'm totally not knowledgeable about this subject)

I was reading a bit about it and what comes back all the time is that 'stroker buildup' - and the balance between the various parts you mentioned above...
n5xmt
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Posted 2 Years, 10 Months ago #3
Check for vacuum leaks. also, if you can borrow a scan tool to put on it, check to see what the RPM really is, and look at the temp sensor output... a bad temp sensor reads like -30 degrees or something and that will also make it idle high.

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