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What would cause a 1998 Jeep Grand Cherokee with a new tranny and TPS and fuel pump to hesitate when you step on the gas and then make a knock noise like the tranny engaging and then speeding off?
Wiki User
∙ 13y ago
Have you checked the codes?? auto zone will do it for free. It might be the governor pressure switch in your tranny. Always check for codes. best of luck, tony
AnswerIt could be a number of things.. the Transmission Fluid could be low or dirty. Try replacing that with ATF+4. If that doesn't work, do a tune-up with new spark plugs, wires, distributor, rotor and ignition coil. Try changing the fuel filter. If it's still hesitating, then it may be the fuel pump. Hesitationhesitation or stumble during acceleration is caused by 1 of 4 things, incorrect ignition timing, dirty fuel injectors, low fuel pressure meaning probably restriction in the fuel line or clogged fuel filter. As for the knocking check your universal joints, while pressing the brake move the transmission selector from park to drive and from drive to reverse, if there is a hesitation or a clunk or both before engaging the universals are going bad, go underneath and try to turn the drive shaft if there is play then that is it.Hesitation,
Had the same problem same vehicle, it was actually plugged catalytic converter.
Wiki User
∙ 13y ago
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No, the 1994 has a hydraulic governor while the 1996 has an electronic governor.
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What causes the transmission to slip in your 1996 Jeep Grand Cherokee?
Try changing you oil and if that does not help you will need to rebuild the tranny or replace it.
When cold my 1998 jeep grand Cherokee tranny does not want to shift but does when warm?
Check level of transmission fluid Change transmission fluid and filter
