Calgary Jeep Association
4x4 Related Groups => Tech Talk => Topic started by: mudpaw on July 01, 2008, 06:47:51 PM
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hey all..well I went climbing in the ghost valley on sunday afternoon when I went in.. the river crossing was fairly deep and fast..........when I came out, it was way worse. the river carried my jeep down stream. I turned off the motor (so it didn't hydrolock) the water was almost to the roof rack, way over the steering wheel.. I swam out through the window. :D so I got pulled out almost right away (what a fight to get the strap on my tow hook... I think I may have busted my hand) . I have pulled the plugs (put oil down the cylinders) pulled the distributor (dried it) I have tried lots of stuff... but no spark! I can smell gas when I turn it over. and the motor sounds OK. (I also drained the water out of the motor) I plan on changing all of my fluids. why no spark??? I am at a loss right now... how do I check the coil ... I am getting power to it.
thanks everyone for your help
Andrew
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The ECM may need to dry out for a few days as would the power distribution box.
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OK .. so I now get intermittent spark when i turn the ignition on and off...but not when cranking it over..any help?...this is my daily driver.
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check all your sensors. crank sensor can act up. i dont know what kind of jeep you have. but check the conections as well. they could have crap in them.
good luck
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cps, tps, spray out plugs with conntact cleaner etc...
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Water can cause a multitude of electrical problems. I would suggest you pick up a Haynes manual at Crappy Tire and read the part about testing the coil, the description is very complete. I would also clean every sensor connector with contact cleaner and put a dab of dielectric grease on it before putting it back together.
Water over the gas cap could mean a bit leaked into your fuel tank.
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THANK YOU GUYS!!! my jeep is an 88 cherokee 4 litre. good idea with the greese.