89 plymouth acclaim low idle stall - Engine Troubleshooting


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89 plymouth acclaim low idle stall

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stupified
New User

May 6, 2005, 1:12 PM

Post #1 of 5 (3880 views)

89 plymouth acclaim low idle stall	Sign In

89 plymouth acclaim. car runs fine as long as you are drivin' it (dies in park also). when comin' to stop or anyhting that requires drop to low idle, car stalls. have replaced:tps, tbtempsensor, auto idle spd motor.
tested map, ok.
car has ignition spark at stall out, and after.
voltage to injector fails (drops too much power) at stall, surges and drops out totally.(get pulse to injector).

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

May 6, 2005, 7:56 PM

Post #2 of 5 (3871 views)

Re: 89 plymouth acclaim low idle stall	Sign In

Just an idea - look hard for vacuum leaks. Carb cleaner can help find them but can be flamable so use caution. If the spray changes the idle - you found one,

stupified
New User

May 10, 2005, 5:52 AM

Post #3 of 5 (3863 views)

Re: 89 plymouth acclaim low idle stall	Sign In

it looks more like a controll module. a vacuum leak wouldnt cut the power to the injector.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

May 10, 2005, 10:03 AM

Post #4 of 5 (3859 views)

Re: 89 plymouth acclaim low idle stall	Sign In

You are right - vac leaks don't generally have anything to do with power to injectors. They ARE common and a pest though as we both know!

stupified
New User

May 12, 2005, 4:12 AM

Post #5 of 5 (3850 views)

Re: 89 plymouth acclaim low idle stall	Sign In

the only vac leak found is a line goin' to the vapor recovery unit. the line is detached by the throttle body. not sure where it goes, but still have injector cut out. guess ill dump 85 smakers into the local plymouth/ dodge guy. he worked for dodge for 15+ yrs (has his own auto shop and a good rep!) and knows what runs these little beasts.
will update when fixed

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