2004 Jeep Cherokee engine surges

Tiny
CARGAR2
  • MEMBER
  • 2004 JEEP CHEROKEE
  • V8
  • AWD
  • AUTOMATIC
  • 97,000 MILES
When I set the cruise at 55 the engine will surge from 1600- to 2000 the speed doesnt change and it willl do it at different speeds I was just using this as a reference. It will try and do it at idle but only once or twice then it stops
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Sunday, April 25th, 2010 AT 9:08 AM

6 Replies

Tiny
RASMATAZ
  • MEMBER
Hi cargar2, Welcome to 2carpros and TY for the donation

Inspect and test all the following listed below and get back with some results

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard.
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Sunday, April 25th, 2010 AT 7:22 PM
Tiny
CARGAR2
  • MEMBER
Everything u listed does not apply the check engine light has never came on setting any codes. I did a tune up at 60000 miles and everything is fine. Could you narrow it down some/
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Monday, April 26th, 2010 AT 8:06 PM
Tiny
RASMATAZ
  • MEMBER
Everything u listed does not apply

A sensor or an actuator failure does not mean at all times that it will pop the CEL and give you a hint where-its like hunting in your situation w/o a guide-okay lets do test the throttle position sensor, manifold absolute pressure sensor-at 27,000 pass your tune-up a spark plug gap wear a.001 per 1K miles. Incude in your test a fuel pressure check.

At this moment I don't really know what you have tested and I need some info so I can try to narrow it down to the right the direction
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Tuesday, April 27th, 2010 AT 12:47 AM
Tiny
CARGAR2
  • MEMBER
Im guessing this is not a problem jeep has experienced in the past?
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Friday, April 30th, 2010 AT 7:25 PM
Tiny
CARGAR2
  • MEMBER
I have used carpros in the past and they have givin me step by step things to check and answers to my questions however you just list all the sensors on the car. I can honostly say this is the first time I have been let down. I know I have only donated a dollar, but at this point I wish I wouldn't have. I would like to donate more but this is why I don't unsure of the reply i'm going to get back!
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Saturday, May 1st, 2010 AT 10:10 AM
Tiny
RASMATAZ
  • MEMBER
I've given you something to work with -all you do is comeback with no results and inspect me to fix this over the net for $1.00 -You need to do some testing to get to the problem so I can narrow it down-You need to help me out as we go along, however you choose to give me a negative feedback therefore request for you small donation.

BTW my job here is to help people fix their car with or without money this is my objective being here.
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Saturday, May 1st, 2010 AT 1:53 PM

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