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Anonymous
Anonymous Posted on Jan 21, 2011
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My 1991 Jeep Cherokee runs great till it warms up, once it warms it seems to sputter and miss

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  • Posted on Nov 05, 2012
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Cold start runs smooth till it warms up, sounds like the idle control valve or the egr system which are known to produce this behavior.

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  • Posted on Jan 21, 2011
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Easy way to strat is check all your spark plugs.jeeps are also known for the crank positioning sensors going bad.another possibility is the oxygen sensor

  • Anonymous Jan 21, 2011

    Wouldn't that set a check engine light if a sensor is bad?

  • Anonymous Jan 21, 2011

    my crank sensor and cam sensor went bad at the same time on my 1998 jeep grand cherokee laredo and it did not make a code appear.i ended up putting a new cam sensor crank sensor computer starter and battery and new plugs now it runs like new.i hope this helps

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Related Questions:

0helpful
1answer

1999 Jeep Cherokee(4.0-6 cyl)/Starts fine when COLD ,after running awhile starts hard(coughing and sputtering while pumping gas pedal ,then idle catches(reving high until returning to normal idle?Also...
Wrong fuel octane water in fuel...
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Jan 01, 2018 • 1999 Jeep Cherokee
0helpful
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1998 cherokee stall when driving and gets warm ,And wont start till it cools off ?
does your temp gage seem off does it go like up to the h because if it does you could try unpluging your upper coolent sensor because that could cause that because it is telling you computer to run in closed loop when it should be running in open loop
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Aug 07, 2012 • 1998 Jeep Cherokee
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Misses and sputters at certain throttle position
This sounds like the same problem I had with my 87 Jeep 2 door Cherokee Sport.
Thought I had to replace the Fuel pump yet when I went under and pulled it out of the side of the tank I found that one of it's vacuum or return line had fallen/poped off. After I pushed the rubber tube line back on it's metal tube and pushed and remounted the pump back in the tank. Started up and it never ran better at any speed. Yea!!!!!
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Feb 25, 2012 • 1987 Jeep Cherokee
2helpful
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1994 Jeep Grand Cherokee Laredo .Driving along and engine began sputtering as if running out of fuel. Picked back up and drove fine. Parked in drive way once again began sputtering and fluttering as if...
Could be your crank sensor has gone bad.
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Feb 08, 2011 • 1994 Jeep Grand Cherokee
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1993 jeep wrangler runs good till it gets to about 190 degrees. Then it spits and sputters and misses like crazy until temperature gets to 220 degrees. Tail pipe glows red hot. What is going on?
I had a similar issue once. It turned out that the distributor shaft was very slightly bowed. When the engine would warm up the distributor shaft would flex more thus throwing off the timing. I had to replace the distributor.
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Jan 25, 2011 • 1993 Jeep Wrangler
0helpful
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1995 Jeep grand Cherokee runs smooth in the morning sputters in the afternoon. What could be the cause?
lot of possibilities so we need to know what is missing when the concern is present

I suspect you are losing spark because of the coil

see if you have spark and/or fuel during the concern and get back with me
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Apr 06, 2010 • 1995 Jeep Grand Cherokee
0helpful
1answer

2003 jeep cherokee laredo still sputters and dies!
It could do that with a bad switch if it was making poor contact before it disconnects, but that really sounds a lot like the fuel pump is going bad...they overheat and start to bind up, then stop...once cooled down they work just fine till it again gets hot enough to do the same thing all over again. I really hate doing this online because in real life, I'd be doing tons of testing instead of making "educated guesses"
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Jul 28, 2009 • 2003 Jeep Grand Cherokee
0helpful
1answer

1995 Jeep grand cherokee is missing while running. When it is under a heavy load (driving fast) it runs fine. When idleing and slow driving it spits and sputters.
I have the same problem on my 95 grand cherokee laredo. Sometimes it starts out fine and after about 10 miles it starts spitting and sputtering. Then after a while it seems to clean out and run fine again for a little while. Then other times it starts out spitting and sputtering at the begining. I changed the fuel filter and that was not it. It is a 4.0L 6cyc. Any Ideas?

Thanks,
Broken Arrow, OK
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Jul 02, 2009 • 1995 Jeep Grand Cherokee
0helpful
2answers

88 cherokee 4 litre loading up with gas stalling
it almost sounds like the timing is off causing it to load up on fuel.
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Feb 27, 2009 • 1991 Jeep Cherokee Briarwood
0helpful
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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
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Jan 11, 2009 • 1991 Jeep Cherokee Limited
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1999 Jeep Cherokee(4.0-6 cyl)/Starts fine when COLD ,after running awhile starts hard(coughing and sputtering while pumping gas pedal ,then idle catches(reving high until returning to normal idle?Also...

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