Question about 1992 Jeep Cherokee Sport

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92 Jeep Cherokee Laredo 4.0 6cyl. (193,000 mls) Loss of power.

92 Jeep Cherokee 4.0 6cyl. (193,000 mls) I filled up my tank at gas station,drove a half mile then stopped at a red light.All of a sudden I started losing power and felt like it wanted to die.I was barely able to get it of the road. Engine will crank and fire up but will die after a few seconds. If i start it and give it gas and keep revd to 3000 rpm's it sounds ok for 20 seconds then dies. Battery is good, just changed the fuel filter, still no go. I tested the fuel pump visually, it will not pump gas out with ignition on but will when I crank it. I didnt cyphen out the gas when I changed fuel filter and the gas looks and smells fine. Im a cheap bastard and dont want to buy a fuel pump if thats not the problem.Could be 10 different problems. Afraid I have to take to shop for diagnostics check to pinpoint it but asking here first for possible solutions?

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Try some "heet" , STP gas treatment or the like. sounds like you might have some bad gas.

Posted on Mar 13, 2017

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Posted on Jan 02, 2017

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  • 141 Answers

SOURCE: cars dies while running

Maybe it's the ASD relay? Also (sorry) the PCM! I hope this could help. Take care and best wishes to you.

Posted on Jan 25, 2009

  • 335 Answers

SOURCE: 99 jeep cherokee died going down the road. will not start. has fuel but no fire

Check spark to plugs. Possible crankshaft position sensor. Located at rear of engine between engine and trans.

Posted on May 28, 2009

  • 1 Answer

SOURCE: 1996 Jeep Country Wagon. Replaced fuel filter and

My 99 Jeep Cherokee keeps shuting off when I am taking right turns. If anyone can point me in the right direction that would be awesome. I am really stumped.

Posted on Jun 23, 2009

SOURCE: I have a 99 jeep grand cherokee and i put gas in

Cant say if its the fuel pump but how a filter works is when the flow stops the sediment will settle off the filter. If enough sediment is in the filter you will fell power loss after driving for awile.Now if you werent having issues before this doing freeway speeds or gunning it around town I wouldnt suspect a filter from just driving around town. If it were a filter on a vehicle your age it would set a check engine light for running lean,
Now its pretty typical for a fuel pump to stop then work later when it cools off.
If your still experimenting look at the fuel pump realy under the hood in the fuse box and if you have a lookalike like a the horn or ac relay then swith one with the fuel pum relay.

Posted on Jul 14, 2009

  • 159 Answers

SOURCE: 2000 Jeep Grand cherokee Laredo

sounds alot the the pcm it controls the fuel pump and ign system but the anti theft would keep it from starting because the key has a transponder in it programmed for that vehicle and that would kill all ign if triggered

Posted on Sep 27, 2009

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I have a 1999 jeep grand cherokee laredo 4.0 inline 6 and i filled it up but now the gas gauge is reading way over full. And i been drivin it and it hasent moved. What could be making it do that?


Fuel gauges normally work off a float inside the tank, it may be that the float got jammed when the tank was over filled, as you drive it may free its self with the normal vibration of travel. Keep an eye on the distance you have gone and refill tank before you run out, but do not fill to top of tank this time.

Feb 22, 2016 | Jeep Cars & Trucks

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How to fix obd 2 PO456 on jeep grand cherokee laredo 2002


Usually this P0456 code is caused by an incorrect or faulty gas cap. Filling the fuel tank with the engine running could conceivable cause this code as well or if the cap wasn't properly tightened. Any of the following could also be the cause:
  • A small leak in any of the EVAP hoses or fuel tank hoses
  • A small leak in the purge valve or vent valve
  • The EVAP Canister may be leaking

Oct 09, 2012 | 2003 Jeep Grand Cherokee

1 Answer

I have a 2004 Jeep Grand Cherokee Laredo 4x4 with the 4.0L. It has approximately 150k miles on it. I started the Jeep with 1/4 tank of fuel in it and it started rough and acted like it was going to die....


long post.
ill reduce it for you.
misfires. (is RPM below 700 then misfire can be normal) for idle speed controls dead.
ISC the isc controls speed, of idle,.
mine stuck like zillion times, in 400k miles. endless.sticking
mine was a tiny gutless stepper motor drive ISC valve.
the cone valve is side gets nasty and sticks (
(PCV gases caused as seen on all engines)
i clean it.
the proof is the easy press of right foot easy raises idle back to 700rpm and engine stops misfiring.
ever get a tuneup this decade or running spark parts 500,0000 miles
for the new world record.?


now the tricky part of ISC, , fully explained in the SM serv. man.
the PCM learns its behaviors.
it learns all hot start settings and cold
so when you key on, it goes to the correct HISTORICAL spot.
if it can move there(sticks) engine car race.
or run too slow,
cold start would be worse, as hot isc is more closed
so if sticks there closed, the next cold start will be horrid
some newer manuals telly you to add 5% throttle if car is hard starting this is so common.

clean it. end story.
ISC

Mar 09, 2017 | 2004 Jeep Grand Cherokee

1 Answer

1994 jeep grand cherokee laredo starting problems


Check to see if the fuel pump is running after it shuts down...could be a relay or the pump itself (overheating internally) Checked the fuel filter yet? Some crank sensors need to be shimmed. If it's too close to the flywheel even though you recently changed it, if it's too close to the wheel it can fail again. May not be the case but worth checking over. Also check the ceramic resistor on the left fender near the master cylinder if you have one. That too can cause problems.

Dec 27, 2009 | 1994 Jeep Grand Cherokee

1 Answer

My 1996 Jeep Cherokee skips and sputters. The problem has grown so bad I had to park it. I was filling my tank whilst a trucker wias filling the gas tanks at a gas station. I thought maybe I pumped some...


That is possible, especially if your fuel filter was marginal to begin with. Change it and pour the contents of the old one into a glass jar If you see any water in there at the bottom, you will need to drop the tank. Otherwise, if it runs better, you are OK.

Aug 12, 2009 | 1996 Jeep Cherokee

1 Answer

Manual for jeep cherokee '92


Hi
In this link you can find several docs about Jeep Cherokee XJ, not exactly of '92, but may can help you: Jeep Cherokee XJ - Sections Repair Manuals

Good luck.

May 26, 2009 | 1994 Jeep Grand Cherokee

1 Answer

1995 jeep grand cherokee power loss


could be engine mounts have to replace mine engine almost jumps outta the compartment

Sep 18, 2008 | 1995 Jeep Grand Cherokee

1 Answer

98 Jeep Cherokee Laredo 4X2 suddenly dies .....


It sounds like you have some **** in the gas tank that is being drawn to the pickup blocking it.
Have seen this and because it seems so random, it can drive ya nuts.

You might carry a coffee can with you and pull the line from the fuel rail when this happens stick it in the can and just have someone turn the key on for a few seconds.
Beware though, it comes out with force.

Also possible is a failed fuel pressure regulator.
Those aren't expensive and . . . well, not very good either.

Aug 05, 2008 | 1999 Jeep Cherokee

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