Question about 1995 Jeep Wrangler

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Jeep will crank but not turn over without gas and rough idleing

My 98 jeep wrangler 4x4 will not turn over unless I give it gas. It cranks just fine. Also, once I have it running it is idleing rough in neutral and reverse. Im not sure what to do. I just had the transmition rebuilt and a new engine put in. i have heard that it could be the AIC, the fuel pump, or the coil. i dont know what to look at first.

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Have your injectors, injector pump, fuel pump and filter checked. if you have a new motor, definitely check the fuel filter. Also, you could have a relay or sensor, have a tech put a diagnostic machine on it to check your electrical system.

Posted on Apr 13, 2009


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98 k1500 z71 5.7 liter,idles fine and runes good in neutral but in gear it runes rough and backfires unless gas is pushed to the also shows a code crankshaft sensor camshaft sensor corilation

Unless you do your own work take to a reputable technician and have them re scan and change required sensor
the forum below may shed some light on your problem
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Jan 16, 2016 | Cars & Trucks

1 Answer

A rough running Jeep wrangler

cranks ok> / not stated, and is 100% #1 key fact.
ill guess (daft) it cranks OK.
so check fluid levels(oil tops list )
then fuses.we test them.
then scan it.
all modern cars same. deal.

if it dont crank, "my starter is silent or just clicks)
then that be a horse of a different color.
dead battery ? charge system failure,
starter bad?
PRNDL (p/n switches bad )try cranking in neutral yet
my wrangler is 6 speed stick with a clutch switch
that too, is different.
even green battery lugs,.got those?

will not crank
or cranks perfect but will not start
which is it??????????????????????????/

Jan 14, 2016 | 2003 Jeep Wrangler

1 Answer

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Sep 21, 2017 | 1988 Jeep Wrangler

1 Answer

93 wrangler 2.5 will crank but won't start. I pour gas down the #1 cylinder and put the plug back in and it will crank for about 8 seconds then sputter to life and idle and run fine. Shut it off and try to...

Yes...check the pump, filter and output. Also check the ballast resistor for the pump. Stop pouring fuel into the cylinder...instead, use carb cleaner and spray into throttle body (excess fuel in one cyl will contaminate your engine oil). If it runs normally after you get it started likely the pump is good (unless you have problems at high rpm's under power) Regulator is likely good as well...default is to more fuel not less.

Oct 07, 2009 | 1994 Jeep Wrangler

1 Answer

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crank sensor likely-may be distributor sensor but my 98 sport was crank sensor situated in bell housing timed by flywheel

Sep 15, 2009 | 1997 Jeep Wrangler

1 Answer

1990 wrangler with 90k-- runs great once and a

Taps or Knocks ?? Knocking indicates gas mixture to rough, possible dirty fuel injectors, try a gas system/fuel injector cleaner and either lower the octane or increase it for 1 tank of gas

Jul 11, 2009 | 2000 Jeep Wrangler

1 Answer

988 Wrangler will not idle and runs rough

check vacuum lines would be the first thing i would look at. try taking some carb cleaner and spraying the lines and if you get a change in idle you have a leak

Dec 09, 2008 | 1988 Jeep Wrangler

2 Answers

Rough idle at low rpm

just cleaned top half of carb, the venturi was dripping raw gas into the carb, running rich and stalling.

cleaned bowl and compressed air blow out parts and runs better now.

but know introduced new problme where it runs rough when you give it gas, not reving upp. now.....

Oct 24, 2008 | 1989 Jeep Wrangler

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