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Discussion Starter · #1 ·
If this has been addressed before, I'm sorry,
I have a 2005 3/4 ton silerado that has been dying on me going down the road. Most of the time I can kick it up into neutral while still rolling,and start it right back up. One time (after I towed it home) It took about 3 hours for it to start again. This last time,it died and 2 1/2 hours later still wouldn't start (stranded me and my 2 boys, and ruined a fishing trip) I have about decided it is the crankshaft position sensor, and have one ordered, WHERE is it, and how hard is it to change? I have been searching the internet for 3 hours, and haven't found any usefull information, this site looks like my best bet!

am I on the right track here or what?
 

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Discussion Starter · #2 ·
the sensor is no problem to change,(for anyone else that wants to know) 2 starter bolts, drop the starter, 1 bolt for the sensor, 10 minutes max. Problem is........didn't get home before the dern truck laid down on me again GRRRRRRR!
 

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what made you decide its the crank sensor?I work at a chevy dealer and have for 18 years and have yet to see a crank sensor go bad in a v 8 like you have.it needs to be diagnosed by someone who knows what theyre doing or your gonna spend lots and probably never fix it.imo I would check for a fuel related concern as the ignition systems on those engines are pretty much bulletproof,not saying it cant happen but isnt likely.
 

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Is this a small block or big block truck?I have also never seen a crank sensor go bad on a newer 4.8,5.3,or 6.0 liter engine.The big block engines do have some issues though.
 
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