CPS issues, crankshaft positioning sensor, HELP!!!
03-26-2010, 08:55 PM
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CPS issues, crankshaft positioning sensor, HELP!!!
I have a 98 jeep cherokee sport, 4.0, i recently have replaced the Crankshaft Positioning Sensor and it worked with a brand new bettery, but when i threw an old battery in there to check it, it was as if the sensor failed again. when i threw the brand new battery back in, it fried it again or for some reason isn't working. i did this all in about twenty minutes so i dont quite understand what would cause this issue. if there is any information on this topic it would be greatly appreciated. What might be causing the problem.
03-26-2010, 09:59 PM
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if I remember correctly, the engine will not fire until it see 300 RPM ....if this is the case mabye the battery (old one) just doesnt have enough amps to spin the motor that fast. If im correct.
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