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Old 03-03-2013, 01:42 PM
alenwell's Avatar
alenwell alenwell is offline
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Join Date: Dec 2011
Location: Clermont, FL
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Vehicle: 1999 Dodge Ram
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Engine: 1994-2001 318ci (5.2L) Magnum V8 220hp
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Default 1999 5.2 1500 P1391 Cranshaft Position Sensor Trouble

Hello, my check engine light recently came on and I found that it was the P1391 error. Googled it and saw it is most likely related to the crankshaft position sensor, so I figured I'd swap it out. First, here's what's happening. When the light is on and the truck has been running around town a while, once I park it for a bit and return, it won't start. I've usually got to reset the battery for it to start, and even that doesn't work sometimes. So I bought a new crankshaft position sensor, and through googling and other research, got an idea where it is and how to replace it. Now that I'm actually trying to do it, I can't find the damn thing. Couple of questions: Should I be looking under the hood or under the truck, and where? Should I be looking at replacing other parts or is that typically the one throwing that code? Any kind of help would be greatly appreciated.

1999 1500 5.2L 4x4
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Old 03-13-2013, 06:26 AM
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Green 01 Green 01 is offline
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Smile CKP (crankshaft position sensor)

it Is by the starter and you"ll probably have to pull it to get to it

2001 Dodge Ram 1500 CC 4x4 5.2L, 2000 Mecury Cougar 2.5L 5 speed, 2004 Chrysler Pacifica 3.5L AWD
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