Question about 1989 Plymouth Acclaim

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Rough idle on my 1989 plymouth acclaim

Changed the map sensor, checked vacuum hoses for leaks, checked timing, very rough idle, hold pedal to floor and slowly revs to high rev. At high rev it wants to run smooth. Let idle drop and runs very rough almost stalling.

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Posted on Jan 02, 2017

  • 58 Answers

SOURCE: need timing diagram for 93 plymouth acclaim

go to autozone.com and go to vehicle repair info and enter your make model year and then find your timing chain replacement info and pics

i don't think you have to worry about valve bumping on that motor.

Posted on Jan 27, 2009

  • 7 Answers

SOURCE: 1990 Plymouth Acclaim timing

it should idle in park around 12 it is stated on the inside of your hood

Posted on Feb 19, 2009

  • 366 Answers

SOURCE: rough idle and stalling

if you have a check engine code on,scan it will point you at problem area,if notand if timing belt is pass due may be wearing out and jumped a few knotches,i would inspect it anyway

Posted on Mar 01, 2009

  • 6 Answers

SOURCE: 1989 plymouth acclaim won't start

is dist. turning???if not timing belt is suspect(broken),if it is you most likely have a small burn hole through ignition rotor..

Posted on Apr 20, 2009

motor1258
  • 6674 Answers

SOURCE: change wather pump 1991 plymouth acclaim

Try (autozone.com ) & sign up for free access to manuals, pictures, step by step instructions plus parts prices. Just enter your vehicle info & go to manuals, click on engine & engine overhaul, then scroll down left side & click on water pump.

Posted on Jun 05, 2009

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A 1995 Plymouth Acclaim is a fuel injected vehicle which means it does not have an idle screw like the older carbrated cars. Instead your cars idle is controlled by sensors and the cars on board computer. There is a chance you either have a bad sensor or a vacuum leak some where. Both will cause a high idle. I hope this helps you out.

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Wheres the vacuum hose on a 1990 plymouth voyager? i think i have a vacuum leak, car drives fine but occasionally starts idling rough at a stop, it will slowly die on its own but if i press on the gas it...


You need to get the Haynes Repair manual on your vehicle so you have a diagram of the vacum lines attached to your vehicle and where each connects. There is more than one Vacum line.

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What problem are you having with vehicle, or does this point you in right direction?

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