Question about 1993 Jeep Grand Cherokee

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1993 grand cherokee runs rough

My grand cherokee runs really bad has new distributor,crank sesor,fuel pump,filter map sensor computer ,and has no codes any help please

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    ZJ Limited May 11, 2010

    Check your vacum conections and syste; sometimes in thereis the problem!!!

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Have you Checked And Seen If the Spark Plug Could Be In The Wrong Fireing Order, Sounds Like the # 5 & 7 Are Crossed If Not That Call Me At 870-718-8850

Posted on Oct 05, 2008

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1993 jeep grand Cherokee Larado stalling for no reason. we have looked or changed coil, fuel pump, relays, cam sensor inside distributor, this thing still stalls out, but starts right back up.


Crank sensor. Its on the passenger side on the top of tranny. Will have either 1 or 2 10mm bolts holding it on. And a plug. My 94 had the same problem. It would run fine then you shut it off and all it woild do is crank. Wait like an hour and it will start back up. New crank sensor and it was fine

Sep 13, 2015 | 1993 Jeep Grand Cherokee

1 Answer

Idles irratic and runs rough down road after warmed up


Rough on idle when the engine is warm means there are many areas to be checked and it can start with the ECM , the fuel pump and more likely the sensors, check the throttle valve, the camsensor which can be set off which might need a correction. Also the vacuum feed for auto advance needs to checked.

Nov 15, 2011 | 1993 Jeep Grand Cherokee

3 Answers

Rough idle


replace map sensor

Mar 17, 2010 | 1993 Jeep Grand Cherokee

2 Answers

1993 Jeep Grand Cherokee will start then immediately die. I've replaced the Crankshaft sensor, ignition coil, fuel filter, battery, new plugs and wires, new cap and rotor, tried swapping the fuel pump...


Try the M A P sensor. I had a jeep that did the same thing. It would start up and run for maybe the count of two and shut off. It was the map sensor. If I remember correctly it measures humidity and barometric pressure and stuff like that to tell the computer how to mix the air and fuel ratio.

Feb 21, 2010 | 1993 Jeep Grand Cherokee

3 Answers

1993 jeep grand cherokee will not start


you may have bent the flex plate ring.so it might be to far away from the crank sensor air gap.

Jan 26, 2009 | 1993 Jeep Grand Cherokee

1 Answer

93 Jeep Grand Cherokee Laredo


Could be a sensor.I'm thinking more along the lines of a fuel pump or fuel filter.If the fuel pump is going bad..similar symptoms.Would be advisable to install a pressure gauge at the engine,and check fuel pressure when it's acting up.

Jul 13, 2008 | 1993 Jeep Grand Cherokee

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