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88 740t still wont idle right.

posted by  gregoryz3 on  Wed May 16 18:04 CST 2012
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last visit: Sun Nov 18 01:32 CST 2012
[RELATED]

Still cant get car running as per earlier post.Did idle a minute then die originaly and now after changing throttle stop switch along with everything else it just idles bad then dies.Its an 88 740t w/B230ft engine.Question:Does the Charge air overpressure switch need to be reset?I'm stumped.Iset and reset the throttle switch just to be sure its correct.All plugs are sparking as per timing light.No restrictions in intake side.Virtually the only things i havnt replaced are the overpressure switch and the Ign/Inj. control modules.Going out to track down the Hall sensor pickup for the crank but i'm not sure its not functioning but its a cheap part to replace too.Car was running great until i did a u turn around a median,gassed it for 30ft,turned right into parking lot and it just started sputtering.I dont even think it hit + pressure on turbo.






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