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where the heck is it???

posted by  89740GL on  Wed Aug 9 17:07 CST 2006
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last visit: Mon Apr 9 17:50 CST 2007
[RELATED]

i cant find the idle adjustement screw on my 89 740 GL (B230F engine, 2.3L) with LH-jetronic system. does it even exist on that engine? its not under the throttle body...

also....
its running very rich. how can this be adjusted?

basically i have a bad idle and poor acceleration.
i have checked/replaced:
-AMM
-TPS
-Air control valve
-fuel pumps/filter
-o2 sensor
-cleaned throttle body
-cleaned out intake with seafoam
-spark plugs/wires

* i think that it could be the temp sensor or the fuel pressure regulator.....what do you think?


any help/suggestions/comments are greatly appreciated!
thanks in advance!

-sal






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