Question about Cars & Trucks
Check pcm for codes. check ckp position sensor. thats crankshaft. theres a u-tube video for testing. then the cam position sensor (distrib pickup) if you have no experience... just understanding the book will take much self study. better let the scantool guys help you at the jeep dealer. their scan tool is not duplicated in the aftermarket and guess fixing is expensive. you may find poor connector fit, tsb part updates , and pcm issues to weed through before this is over. corrosion, dried up and cooked wire harness isssues. corrosion and intermittant connections. the age of this vehicles harness tells me its likely to be like the last one i had (with a 4.0L.) pcm was fried. 02sensors shorted, harness repairs, plugged injectors. all due to age and neglect and abuse. so after those 2 sensors pass the mv and ground tests you will have to look to the pcm for your switching. thats when having the scan tool will come into play.
Posted on Nov 22, 2013
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Posted on Jan 02, 2017
yah direct ignition coil pack does away for the need a a distributer cap and rotor.much higher energy ignition system where the computer tell when to fire.if that helps.not hard to change.as long as you change them one at a time so you don't screw up the order.
Posted on Nov 28, 2009
CHECK ASD RELAY THAT IS AUTOMATIC SHUTDOWN RELAY IN THE POWER DISTRIBUTION CENTER UNDER THE HOOD IN ENGINE COMPARTMENT.IF ASD RELAY GOOD PROBLEM COULD BE CAMSHAFT SENSOR IN THE DISTRIBUTOR.TO SAVE TIME AND MONEY HAVE JEEP SCANNED FOR CAMSHAFT SENSOR AND CRANKSHAFT SENSOR FAULTS.
Posted on Apr 23, 2010
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If the ignition turns on and dies while driving, you might have a clogged idle air control valve. The valve is located in the throtle body, just below the air intake hose. Locate the idle air control valve, un plug the connector, unscrew it (you will need star screw driver) and next clean it using an electronic contact cleaner spray, I use 3M for that. Next, make sure all cleaning liquid inside is gone (it evaporates quickly) and re assemble it. This should solve your problem once for all.
Posted on Aug 11, 2010
SOURCE: stalls and backfires 1997 jeep
you need to check the fuel pressure,and did you mean you replaced the distributor or just the rotor because inside the distributor is a pickup plate that some times causes this also 02 sensor can cause this.is your check engine light on if so go to chain auto parts store they usually read your codes for free.
Posted on Nov 26, 2010
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