Question about 1985 Jeep Grand Wagoneer

2 Answers

What is causing my 1986 jeep grand wagoneer engine to stall while driving? I cannot restart it but there is power. It will turn over but not start and there is gas in it. The jeep just went "poof" and died while driving.

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  • Richard Scordino May 11, 2010

    Does it seem to spin faster than normal when you crank it? Have you done a compression test? Does the distributor rotor turn without stuttering when you crank it?

  • alexander
    alexander Jun 20, 2015

    its your fuel pump

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2 Answers

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Best bet is corroded or brittle wiring off ignition connector above ignition coil - it has stopped me on two different jeeps - they cost around 6 bucs and wires should be heat shrinked

Posted on Mar 20, 2016

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  • Jeep Master
  • 20,706 Answers

Ok, its and old jeep, cranks but will not start.

carb fueled right? crank it wide open throttle to clean the flood
and block open the choke, if CARB has auto choke, if manual choke make sure its open. (push in knob... called choke)
fuses first. test them.
first check for spark in all cylinders.
if you have spark on all , then its flooded.
if no spark on one try a new spark plug and wire.
if all spark is dead , do the tuneup. now. all spark parts.
if spark is dead, check it at the coil, ? good there? or not.
that is a start.
if the carb is bad, we cant cover rebuilding it here.

stalls while driving has over 50 causes.
but bad spark or flooding tops list. (assumes engine is ok)

Posted on Jun 20, 2015

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Posted on Jan 02, 2017

SOURCE: 2000 jeep grand V8 low idle then dies

check to see if you got a pluged cat

Posted on Oct 25, 2008

  • 1 Answer

SOURCE: 1988 JEEP GRAND WAGONEER GAS GAUGE READS OVER FULL

The ground has corroded off the sending unit.You can access this by drilling out the rivits in the access panel under rear seat on drivers side.

Posted on Nov 09, 2008

  • 196 Answers

SOURCE: 1991 Jeep Cherokee stalls, dies while running idling will restart

well i would check the tune up i have owned lots of jeeps and they needs tune ups about every 30,000 miles plugs wires cap rotor take a look at them and go from there

Posted on Jan 11, 2009

  • 32 Answers

SOURCE: 1997 Jeep Grand Cherokee Stalls when put in gear V8

Replace the throttle postioning sensor, and mass air flow sensor

Posted on Mar 09, 2009

skidoorev
  • 11 Answers

SOURCE: 1997 Jeep Grand Cherokee. Stalls out,engine quits running

since its a 1997 your jeep has EFI, electronic fuel injection. The most probable reason for your troubles would be the injectors or a problem with the computer controling them, not allowing enough gas to be pushed into the cylinder causing stalling or lack of power, also too much gas iin the cylinder can lead to back firing and stalling. This would also explain the reason it takes so long to start back up some times, all the excess gas in the cylinder is flooding the motor and u have to wait till the gas disipates till the engine will turn over.

Posted on Mar 23, 2009

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1 Answer

Motor shuts off when started up,shuts off when driving.


hot engine or cold, or both? 180F+ is hot.
Shuts off, idling or on the fly, say at 30mph right foot down it dies?
just clue here...
engine stalls. is complex. but in the macro its below, using tools finds the reason,, but you never said did it restart easy./??????
1: lost of engine compression hot engine, (or overheated)
2: lost 12vdc electric power at stall (caused it) dash goes dead. ?
3: lost spark, test spark at the failure point. if dead trouble shoot speak.
4 bad fueling, too lean (say the fuel pump dies) or too rich.
too rich causes wet spark plug tips. (lots of causes )
5: stalls due to idle RPM too low, below 800 is too low.
too low idle rpm is caused by many things, but top 2 are.
A: EGR stuck wide open, clean it, as the books shows at 60k miles
B: ISC stuck closed. (same deal clean it)

now repost and say when it stalled,
at a read light or flying up a hill wot, wot= wide open throttle.
and when it dies, is the restart easy or hard.

Dec 05, 2013 | 1997 Jeep Grand Cherokee

2 Answers

I have a 1997 Jeep Grand Cherokee Laredo, 6 cyl. It will stall while I am driving, and may restart right away or may not restart for 20 minutes. I keep hearing this is a common problem for these Jeeps...


check fuel pressure regulator.....Fuel on one side of diaphrag, and vacuum pressure on other if there is fuel on the vacuum side then diaphragm is leaking...causing ecu to think there is plenty of pressure and holds back the signal to turn on fuel pump....

Jun 28, 2011 | 1997 Jeep Grand Cherokee

1 Answer

1986 jeep 2.8 lt stalls after driving a couple of miles


COOLING FAN CLUTCH FREEWHEELING FAN CLUTCH NOT LOCKING IN TOO COOL THE ENGINE.ENGINE COULD BE RUNNINIG HOT THAT WILL STALL OUT ENGINE OR FAULTY FUEL PUMP WILL SHUT OFF ENGINE FOR A SHORT DRIVE DISTANCE.WHEN ENGINE STALL OUT CHECK FOR FUEL PRESSURE IF NOT ITS THE FUEL PUMP.

Oct 10, 2010 | 1986 Jeep Cherokee

2 Answers

Holds idle fine but stalls when accelerating


your carburetor should have a fuel filter in the carburetor body where the
fuel line enters it replace it and, any other in-line fuel filter the engine might have

Jul 25, 2010 | 1986 Jeep Cherokee

1 Answer

2003 Jeep Grand Cherokee Stalls and won't restart right away....wait a couple minutes and will fire over..no check engine codes...only does it about once a week....


Do you have the 4.0 liter inline 6? The CPS (crankshaft position sensor) can cause this kind of behavior. I've been lucky driving 4.0 powered Jeeps since 1989 and not had a CPS go bad but lots of other Jeep owners have. I would check the CPS first but it could be other things. Solving a stalling problem online is difficult.

Nov 02, 2009 | 2003 Jeep Grand Cherokee

1 Answer

My '89 Jeep Wagoneer won't start. It has a 6month


sounds like the starter actually have some one load test it for you, might be drawing more power then it need, hence the need for a jump

May 10, 2009 | 1989 Jeep Grand Wagoneer

1 Answer

Car stalls


Here is the most common cause of surges and stalls and low idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Jan 14, 2009 | 1998 Jeep Grand Cherokee

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