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idk anymore please help

Old 09-02-2015, 07:37 AM
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Default idk anymore please help

I have a 98 xj motor has 110k body has 530k(no that's not a typo) I've had it for last 5 yrs lately its been running like a tuurd. it feels like its getting to much gas due to being out of time. except its not out of time. it chugs and loads up at low rpm strain. it won't communicate with obd. Ive replaced pretty much all of this heep since I've had it. since the problem I've done timing chain and sprockets, o2, tps, iacs, crank position, pickup coil, ecu and stand alone harness that connects to it, fuel pump and all lines, injectors plugs, wires, cap, most of the vaccum system, intake gasket and lots more. nothing seems to be the problem. ill listen to anything at this point. I fancy myself a jeep guru n this has me stumped. I'm sure I forgot something so ask away n suggest away thanks
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Old 09-02-2015, 09:36 AM
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Originally Posted by Jicki Rough View Post
I have a 98 xj motor has 110k body has 530k(no that's not a typo) I've had it for last 5 yrs lately its been running like a tuurd. it feels like its getting to much gas due to being out of time. except its not out of time. it chugs and loads up at low rpm strain.


Does the transmission shift okay?


it won't communicate with obd.


What do you mean it doesn't communicate with obd? The scanner/code reader won't power up, or the scanner/code reader won't communicate? Have you examined the DLC pin cavities for corrosion (takes a strong flashlight and a magnifying glass)?


Ive replaced pretty much all of this heep since I've had it. since the problem I've done timing chain and sprockets, o2, tps, iacs, crank position, pickup coil, ecu and stand alone harness that connects to it, fuel pump and all lines, injectors plugs, wires, cap, most of the vaccum system, intake gasket and lots more. nothing seems to be the problem. ill listen to anything at this point. I fancy myself a jeep guru n this has me stumped. I'm sure I forgot something so ask away n suggest away thanks


By 'Pick Up Coil' are you referring to the Camshaft Position Sensor in the distributor?

Have you tested your Ignition Coil?


Here's how:


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