1991 Plymouth Sundance wont start

Tiny
MLSHANNON
  • MEMBER
  • 1991 PLYMOUTH SUNDANCE
  • 90,000 MILES
Drove my car to the store, I forgot something so I was to go back to the store. Well I cranked it and put it in reverse and backed out but when I putit in drive it died and now wont crank back. I can hear the fuel pump cut on aand it has gas. It will turn over but just wont start like its not gettin fire.
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Sunday, October 27th, 2013 AT 8:29 AM

4 Replies

Tiny
JDL
  • EXPERT
Have a helper crank it, while you visually check for spark at the spark plugs. How long since a tune-up? Any applicable trouble codes? You can access codes yourself. Turn key just till the dash lites come on, no further. Cycle the key on--off, on--off, on, then the mil on the dash starts flashing, you count the flashes to get the codes. Your looking for two digit codes. Let us know what you find.
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Sunday, October 27th, 2013 AT 9:08 AM
Tiny
JDL
  • EXPERT
Just to add, without rpm signal, you may get an initial fuel pump prime, but, after that if no rpm signal, you get nothing, no spark, no fuel injector pulse. You have to crank it during testing, to check spark and fuel. If no rpm signal, might be caused by faulty hall effect sensor in distributor?

Engine cranking, can you see a fuel injector spray pattern? With TBI fuel injection, you may be able to see it spray or not.
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Sunday, October 27th, 2013 AT 9:29 AM
Tiny
MLSHANNON
  • MEMBER
Thank you for answering my question. Im highly appreciative. I took it to a garage that I trust and they said my pcm may goin bad and hat they Tchanged my ignition coil. Does that sound right to you? He also said that I wasnt gettin any fire and when they took my pcm off and put it back on that it fired up and been runnin fine since
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Tuesday, October 29th, 2013 AT 2:53 PM
Tiny
JDL
  • EXPERT
It's possible, but the pcm isn't my first thought? Of course, I can't see anything or do any testing from here. Maybe the computer reset or issue with wiring or connector?
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Wednesday, October 30th, 2013 AT 10:36 AM

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