AH!!!! Jeep wont start!!!!!!!! - JeepForum.com

 
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post #1 of 9 Old 01-07-2006, 09:27 PM Thread Starter
Jeepzter29
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AH!!!! Jeep wont start!!!!!!!!

Soo..... try jumping my jeep... and it aint working..... I hit the the gas pedal a little bit and its turns on and i rev my engine once i let go of the gas its just dead!!!! What the heck is goin on!!!????


96 Cherokee Country
-6" Skyjacker
-Teraflex long arm kit
-35"x12.5" Good Year MTR's
PICTURES OF MY JEEP
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post #2 of 9 Old 01-07-2006, 09:36 PM
CanadianJeep86
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Quote:
Originally Posted by Jeepzter29
Soo..... try jumping my jeep... and it aint working..... I hit the the gas pedal a little bit and its turns on and i rev my engine once i let go of the gas its just dead!!!! What the heck is goin on!!!????
do you have to rev it high for it to run? IF so, MAP Sensor, lovely little thing bolted to the fire wall with a harness and a vacuum hose going to it

1984 Suzuki SJ410, 1.3L 5speed, soft top, spoa, shackles, bodylift, 6 offroad lights.
1988 Dakota, 318, 5 speed, 4.10's, rollbar, lowered 3".
1986 2dr XJ, 2.8, 5 speed, Bushbar,
1989 XJ, 4.0, AW4, NP231, D44, 3.73's, *Stolen*
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post #3 of 9 Old 01-07-2006, 09:36 PM
XJ4oh
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So you can get it to run as long as ya hit the gas? Thats what happened to me when my IAC sensor/motor went out.

'97 XJ... 4.0 4x4 AW4. 2" budget boost w/t-case drop.
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Intake, Ported TB, TB spacer, Super 40 Flowmaster.
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post #4 of 9 Old 01-07-2006, 09:37 PM
XJohnnyC
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Does the engine crank over slowly? Can you keep it running by revving it for a minute or two? Try that and see if it keeps running when you let off the gas.

Could be a bad battery. Someone told me that the computer can forget the idle and the engine will die if the battery is bad. Well, a new battery later, I haven't had the problem since.
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post #5 of 9 Old 01-08-2006, 03:10 AM
Koz83
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I have the same issue. One day it starts like nothing's wrong, and the next I either a) don't get any response when I turn the key, nothing b) crank it and have to give it gas to keep it from dying or c) crank it, give it gas, then turn off the engine only to have it start normally the next time. I checked the battery and it seems fine (but I do know that sometimes the battery checks out but in reality needs to be replaced).

Problem is, I can't test this with another battery because this issue is so random. It can start without problems for a whole week and then gets *****y all of a sudden.

So which is it, the MAP sensor, the IAC sensor or the battery? Bah...

XJ - 1998 4.0 Sport 2-door - Gun-metal blue
- Current - Future -
Tranny: AW4 - Axles: Dana30; Chrysler 8.25 - T/case: NP231
Lift: 2" Daystar bb - 30x9.5 BFG AT KOs
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post #6 of 9 Old 01-08-2006, 12:45 PM
Matt Gertsch
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Do you have a check engine light? Do you have sound fuel pressure? Do you have solid spark?

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post #7 of 9 Old 01-09-2006, 12:49 AM
Koz83
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Nope, no check engine light but I haven't checked the plugs for about a year. Seems like everything's good, no problems with fuel pressure or plugs.

XJ - 1998 4.0 Sport 2-door - Gun-metal blue
- Current - Future -
Tranny: AW4 - Axles: Dana30; Chrysler 8.25 - T/case: NP231
Lift: 2" Daystar bb - 30x9.5 BFG AT KOs
Intake/Exhaust:2.25" Flowmaster 40 Deltaflow; Dynomax hi-flow cat
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post #8 of 9 Old 01-09-2006, 07:17 AM
philipx
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there is a ceramic resistor on the left inner fender in the engine compartment check that the spade connections are on it also check its not opene circuited I think that maybe your problem

Philipx
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post #9 of 9 Old 01-09-2006, 08:31 PM
XJohnnyC
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Quote:
Originally Posted by philipx
there is a ceramic resistor on the left inner fender in the engine compartment check that the spade connections are on it also check its not opene circuited I think that maybe your problem

Philipx
Nope, that's the fuel pump ballast resistor. They didn't have them on a 96.
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