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Crank position sensor fix but not fix
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RayneMan
New User
Jan 13, 2013, 5:09 PM
Post #1 of 10
(2563 views)
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Crank position sensor fix but not fix
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2000
Chevy
C2500
5.7 Vortec
Ok... i have done a lot of research. first the truck would not start after a rain. i checked all the wires and dist cap. So i looked online. Everything that it was doing pointed in the direction
of the Crankshaft Position Sensor. So i replaced it. After a few turnovers it slugishly cranked and seemed to be running find when it was idle. So i took it around the block. About 3/10 of a mile it died. no spit no sputter. just dead and turning it over is no good. But it does not act like a timing problem anymore. it does not even act like it wants to start. just nothing.
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Sidom
Veteran
/ Moderator
Jan 13, 2013, 5:12 PM
Post #2 of 10
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Re: Crank position sensor fix but not fix
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Check for spark and take a fuel pressure reading......post your results...
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 13, 2013, 5:15 PM
Post #3 of 10
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Re: Crank position sensor fix but not fix
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Sounds like you created a new problem that you didn't have before.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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RayneMan
New User
Jan 14, 2013, 6:16 PM
Post #4 of 10
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Re: Crank position sensor fix but not fix
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So i checked the spark and i was not getting one from the pug or the coil. i bought a new coil and of course the ould one was pressed on so i didnt even worry about getting it off i just hooked the new one up and tried again and still no spark is that not the problem or does the coil pack have to have a good ground or what? oh i did try to ground it with a piece of speaker wire and still nothing.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 14, 2013, 6:56 PM
Post #5 of 10
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Re: Crank position sensor fix but not fix
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The truck wouldn't start in the rain so you replaced the Crank Sensor and now it won't start at all. Sure sounds like you messed up the Crank sensor somehow.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Jan 14, 2013, 6:56 PM)
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RayneMan
New User
Jan 14, 2013, 8:20 PM
Post #7 of 10
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Re: Crank position sensor fix but not fix
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it did start and ran for 30 min at idle and i drove a ways and it just died. so it is not the crank sensor since it does not sound like a timing issue like last time. so if the coil does not need to be grounded i should check that first. there is a black component on the same bracket, not sure what it is called but i know it accepts the signal from the crank sensor, would it possibly be bad and not letting the coil send a spark?
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Sidom
Veteran
/ Moderator
Jan 14, 2013, 9:06 PM
Post #9 of 10
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Re: Crank position sensor fix but not fix
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I'm not trying to be mean here but just going off a few of your posts I can tell you are unfamilar with this system and to make it worse you are using flawed logic....
Your best & cheapest bet here is to listen to these guys and do the tests they are telling you to do.....If you don't understand something.....thats fine...just say so & they will elborate & post diagrams....
One other quick note......If this doesn't have fuel pressure as well as no spark........That a whole different road you want to be going down.....
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nickwarner
Veteran
/ Moderator
Jan 15, 2013, 4:33 AM
Post #10 of 10
(2407 views)
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Re: Crank position sensor fix but not fix
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When you were working on this, did you turn the distributor in an attempt to change the timing? This isn't the 350 that used to be back in the day. This is a very different system and the old methods and rules will get you in trouble here.
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