Stutters
05-08-2012, 07:22 PM
#1
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Model: Cherokee
Stutters
Hey guys. Lately when I give my '90 gas it's like it dies down real low then revs. As if it's choking/flooding the engine. Anyone know what this could be?
05-09-2012, 07:49 PM
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Originally Posted by SeriousOffroad
Possibly a bad/out of adjustment TPS.
I did a tune up and that didn't work.
05-09-2012, 08:23 PM
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Year: 1996
Model: Cherokee
Engine: 4.0 HO Straight Six
All good suggestions above.
Also verify fuel pressure at the fuel rail. There is always a possibility that it is a fuel delivery problem. Have you ran any injector cleaner lately?
Also verify fuel pressure at the fuel rail. There is always a possibility that it is a fuel delivery problem. Have you ran any injector cleaner lately?
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05-10-2012, 06:22 AM
#8
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Originally Posted by VTJeep
New TPS if it's not adjusting properly. Or o2 sensors. Often associated with hesitations. Are you backfiring from manifold?
I've never replaced the o2 so I'll give that a chance and see
05-10-2012, 06:23 AM
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Originally Posted by 1996sportXJ
All good suggestions above.
Also verify fuel pressure at the fuel rail. There is always a possibility that it is a fuel delivery problem. Have you ran any injector cleaner lately?
Also verify fuel pressure at the fuel rail. There is always a possibility that it is a fuel delivery problem. Have you ran any injector cleaner lately?
Thanks
05-10-2012, 07:44 AM
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Year: 99
Model: Cherokee
Engine: 4.0
The backfiring was in regards to a possible fuel delivery issue. But that doesn't sound like its the case.
Always good to disco the break booster vac line and slowly poor 1/3 of a can in. The other 2/3 is usually divide into gas and crankcase (per instructions).
Always good to disco the break booster vac line and slowly poor 1/3 of a can in. The other 2/3 is usually divide into gas and crankcase (per instructions).
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