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Engine Lopes / surging idle


tk666

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Hey,

 

I've got a 1987 Honda CRX si with about 205k km on it...

 

During the warm up phase, the idle bounces / lopes between 700-1500 RPM...

 

From the pre-searching i've read, it looks like this is usually an IACV issue... so my first question is where exactly is it / what does it look like... I have the haynes manual, but it is very unclear...

 

Second thing... Some time ago, before the car went off the road for nearly a year, i had a mechanic look at the idle issue while doing something else... he dealt with it by "clearing out a couple vacuum hoses..." the problem is i never found out which hose(s) was causing it... does anyone know which hose i need to be looking at?

 

Thanks in advance,

 

Tom

Edited by tk666
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