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rough idle 700 1990

posted by  someone claiming to be bl on  Mon Oct 20 03:07 CST 2003 [RELATED]

Have a 90 740 ( Regina) that will bearly idle below 50 degs. Sounds like running on about one cylinder for 30 seconds. Shakes, sputters, coughs, generally will hardly run. Applying throttle is no help and only prolongs the episode. Has good spark and all the following are good/reciently replaced. FP relay, RS relay, rpm sensor, new hose from the temp sensor to the throttle body, throttle body cleaned 3 months ago, FPR changed 6 months ago, fuel pump sounds OK. I checked the FAQ a while back and ran across a possibility but forgot to mark the page and now can't find it. Any ideas appreciated as always.

bl






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