2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Diagnosing Rich Missfire...

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Old Apr 9, 2006 | 03:42 AM
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-efini-'s Avatar
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I AM A THIEF!!! I AM A THIEF!!!
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Diagnosing Rich Missfire...

Well i pulled my UIM yesterday and had my injectors flowed and cleaned today...they were a littly dirty and flow better now...but one thing the guy brought up, was that the response time was waaaaaaay off. So much so, that he said, at higher RPM's that my injectors probibly never turned off because by the time they were told to turn on again, they are still waiting to turn off...

Besides that, i found a small vaccum nipple on the back-bottom of the UIM that was not connect. Other than that no vaccum leaks...

I also have some grounding issues too, so im going to make a grounding kit.

After all this, i hope she runs better.
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