Question about 1993 Jeep Grand Cherokee

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93 grand cherokee jeep running rough

The tach started going out of control...then it started running
real rough. Hard to start and when it does start ,it hard to keep
running. Took it to shop their machine said it was blinking a code
22 (cold sensor) that was replaced and still the same problem.
Was told the computer was bad , Before I think about replacing
that for 6 or 7 hundred dollars.
Is there one than one sensor ? or what should I try next ?

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There is a sensor on the top of the transmission housing that if it goes bad can give you these sypmtons. It's called the crank sensor.

Posted on Dec 04, 2008

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Posted on Jan 02, 2017

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Trouble codes P0354 and P0356


P0354 = Ignition Coil "D" circuit
P0356 = Ignition Coil "F" circuit

Inspect spark plugs first.

Then, measure/test your HT leads to ensure they are within spec.

If the above proves ok, then suspect a bad coil pack.

Jan 31, 2013 | 2004 Jeep Grand Cherokee

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My 93 jeep grand cherokee is not getting fuel...if I disconnect the negative post for awhile and then reconnect it, the jeep gets fuel and will run....what is going on?


If the check engine light does not light up on the dash when you turn on the ignition, at those times when your jeep doesn't want to start, then your main jeep ecm is in need of repair. The fuel pump relay will get energized only after that check engine light comes on. It's a known problem, especially with the first and second year production Grand Cherokees, 93 and 94.

Jun 30, 2012 | 1993 Jeep Grand Cherokee

1 Answer

I have a 93 jeep grand cherokee with no power at all still idles fine but has no go like im trying to pull a house also in park the higher you rev it the more it starts to sputter and want to die any ideas...


hi; no power ? 93 jeep grand cherokee 4x4; cat. was burned out ! badly hot !. i did cut it off, ! put back with out a cat....just a new muffler, shot tail pipe..
put in new spark plugs,, new dist. rotor, ? those's, old plugs were very black!

but, rough starting, how, do you find the power codes, ? or reset, the computor ?. just has no power !??. what's wrong ?. can, i reset ?..can i buy some fuel treatment?????

Dec 21, 2011 | 1993 Jeep Grand Cherokee

1 Answer

My 1997 Jeep grand cherokee is running real rough when I accelerate. Now while driving it it keeps stopping but will start right back up? help???


check the cables of the spark plugs, some times it occurs that the cables get loose from its plastic retainers and touch any metal in the engine, causing missfire of the related spark plug, hence rough running of the engine. Put all cables on the retainers making sure none touches the bare metal of the engine. That should help.

May 21, 2010 | 1997 Jeep Grand Cherokee

1 Answer

1998 Jeep Grand Cherokee has a rough idle at first


You do have a filter and it's mounted right on top of the pump on outside of tank...it is also the pressure regulator. You really should put a pressure gauge on the fuel system and check it out though. you may find there is a problem elsewhere. Good and proper testing is the only way to get answers about problems especially now that systems are all electronically controlled.

Jul 10, 2009 | 1998 Jeep Grand Cherokee

2 Answers

2003 Jeep Grand Cherokee Runs Rough


It sounds like a few different things or a combination of more than one.

  1. The EGR valve
  2. The catalytic converter
  3. The mass airflow sensor

May 09, 2009 | 1998 Jeep Cherokee

2 Answers

93 grand cherokee has a very rough idle what could be the problem


Also check the vaccum hose from the fuel pressure regulator to the intake manifold, it is right on top, to the front right of the valve cover where the fuel lines attach to the fuel rail, there is a small vaccum hose that runs from the regulator to the intake manifold, I have a 93 grand cherokee limited w/ 4.0L 6cyl, it was hard to start at times, wouldnt start at times without starting fluid spray and had your symptoms at idle, running rough like it wanted to stall like it was out of gas, I had various opinions ranging from fuel pump was bad to the fuel filter to the fuel presure regulator, the fuel pump relay ,etc....after replacing the relay and having the same symptoms, some digging brought me to this vaccum hose, wich had a break in it, when it was replaced it allowed the regulator to have the correct fuel pressure output and solved all the afforementioned problems way cheaper than the suggested alternitives. good luck.

Feb 08, 2009 | 1993 Jeep Grand Cherokee

1 Answer

93 Grand Cherokee 4.0 trouble starting in cold weather


Welcome to the forum. Your question has to many variables. Cold weather out here in Cen Cal this time of year is mid 40s. Is the problem when the vehicle is cold as in ovrernight but starts ok when it is warm? Does it crank OK but seem like it's not getting fuel? If you hold the throttle slightly open, does it start OK?

May 14, 2008 | 1996 Jeep Grand Cherokee

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