Question about 1991 Plymouth Acclaim

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No spark feul pump not running

My buddies 91 acclaim just died all of a sudden while driving the other day. now it won't start. it turns over fine but feul pump doesn't turn on and there is no spark. we know the fuel pump is good cause we just installed one a week prior. do these cars have a seitch that stops the fuel pump and spark like if you were in an accident? I know some cars had them in the trunk or the glove box. Or is it under the dist cap and roter?

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Check relay, fuses or circuit breaker

Posted on Sep 12, 2009

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1998 f250 5.4l would not start. changed feul pump and filter still would not start. 20 mni later started. was cleaning engine while running 10 15 min later died wont start.


Check fuel pressure at the injector rail. Could be your fuel pump relay is cutting out. If fuel pressure is good, check for sparks at the plug wires. Read the link below for more info.
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1991 Plymouth Acclaim car drives then suddenly motor winds and car stops driving


My guess would be the transaxle.
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91 Lumina won't stay running; see lots of same question for same car but no problem solvers....Please help.


On electronic fuel injection pumping an pumping an pumping the gas pedal does nothing without the engine running ! Pushing the gas pedal to the floor will cause the PCM - engine computer to go into clear flood mode .

You have some very interesting ideas here , but not really how it works or is !

The vehicle will go into closed loop fuel control when the engine coolant temp reaches a definded temp an the O2 sensor get hot.

She would run for a couple minutes and die which is open loop when running, closed loop is when the sensors kick and it would die. Pulled spark plugs, they were black meaning no spark. Can only be 2

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Mar 07, 2017 | 1991 Chevrolet Lumina

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1998 GMC Savana conversion van - It starts right up and immediately dies, repeatedly and randomly. Sometimes it won't start for days. Then poof, starts right up. It turns over fine, it starts fine. The...


It won't die when pulling the relay because it has another power path to the fuel pump through the oil pressure switch . Fuel Pump Electrical Circuits Description and Operation watch this video on fuel pump control , shows chrysler first , ford ,then gm . wait for gm an he explains the oil pressure switch . Plus when it won't start ,don't guess or theorize ! Test what's missing ? check for spark , no spark check ignition system , coil's , ignition module , crank sensor etc... has spark ,do a fuel pressure test etc... don't think computer , when it won't start does the check engine light come on with the key on run not start . If light is lit ,nothing wrong with the cumputer . If want to fix cars you really should take some automotive classes . Test don't guess .Watch some other videos crank no start videos etc...

Mar 02, 2017 | 1998 GMC Savana

1 Answer

91 acclaim v6. starts and runs good, but once its been running for awhile (hour or so), and i turn it off, it doesnt want to start back up, or does and dies. wait 2 hours and it starts right up. recently...


Sounds like either you have a clogged fuel line and or clogged fuel filter or the fuel pump is failing. What happens when the vehicle runs the fuel pump heats up, as it heats up it produces less and less fuel for your car. Eventually ti stops working until its cool again on faulty pumps. Given the age of your vehicle I would say you need to replace both pump and filter.

Sep 19, 2010 | 1991 Plymouth Acclaim

1 Answer

2000 ford explorer won"t start got gas and spark but still nothing had it going a couple time's by playing with the feul pump shut off switch


try bypassing the switch peirce the wires on either side of the switch and install jumpers this should elimanate the switch or tell you it's bad.

Jul 31, 2010 | 1991 Plymouth Acclaim

2 Answers

1994 Sierra stalls after it is warm...It will start right away if I shoot starter fluid down the throttle body or wait 15 minutes. I have had the pump checked and have replaced the Oil censor, feul filter...


I had the exact same problem with a 91 GM vehicle.I replaced almost everything including the fuel pump. Months later I discovered I had purchsed and installed a faulty fuel pump,new from the factory.That was the last thing I would of guessed. the fuel pump worked when I tested it but would seize when it got hot during regular driving.One day I decided to let the car run in the driveway until it happened.I sat near the car so I could hear the pump run.All of a sudden the pump started to whine and fade on and off thats when the car shut off.I replaced it it a second time and it never happened again.You may have to put a fuel pressure guage on the fuel rail and run the car and watch when it happens.

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1 Answer

91 RS dying


First off, I think you bought a raft of stuff you didn't need on that repair job! The sound of it at this time is that probably the fuel pump is about gone.You need to measure the fuel pressure (engine running) at the fuel rail (the test port looks like a tire valve) above the injectors. The pressure should be in the 45 to 55 PSI range. If the pump is toast, it will be much lower. The pump resides in the fuel tank. You probably have the check engine light on. If the code(s) are read out with a scanner, it will likely point to the fuel pump.

Aug 24, 2009 | 1991 Chevrolet Camaro

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