Will not start, smells of fuel really bad, also throwing a P0336?

Tiny
EARL91
  • MEMBER
  • 2000 CHEVROLET TAHOE
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 180,000 MILES
I just put a new crate motor in a 2000 Chevy Tahoe. 350 5.7l. Won't start smells of fuel really bad. And a bad crank shaft positioning sensor. I can replace that. Why would it smell of fuel so bad?
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Saturday, January 21st, 2023 AT 9:51 AM

8 Replies

Tiny
KEN L
  • ADMIN
How long has the truck been sitting? You may have a tank of bad gas that will need to be flushed out or drained and new fuel put back in it.

Here is a video to help show you how:

https://youtu.be/Q5MH2gnyFH0

and this video will show you how to install a new crankshaft sensor.

https://youtu.be/-Ib3Lkde3Wo

Check out the images (below). Please let us know what happens.
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Sunday, January 22nd, 2023 AT 11:26 AM
Tiny
EARL91
  • MEMBER
It is throwing a p0336 and p0339 code. Can't be the reluctor rings they are brand new.
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Monday, January 23rd, 2023 AT 10:15 AM
Tiny
KEN L
  • ADMIN
P0336 Crankshaft Position Sensor A Circuit.
P0339 Crankshaft Position Sensor A Circuit Intermittent.

So these engines have two different reluctor rings 24x or 58x you must have the correct one for the PCM.
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Monday, January 23rd, 2023 AT 12:24 PM
Tiny
EARL91
  • MEMBER
  • 2000 CHEVROLET TAHOE
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 180,000 MILES
My 2000 Chevy Tahoe. Just put new crate motor in. It's throwing a p0336 and p0339 code. How can I fix. Also need a ground wire pdf. I think that may be the cause. Or to much voltage.
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Tuesday, January 24th, 2023 AT 11:05 AM (Merged)
Tiny
KEN L
  • ADMIN
Sure, here are the ground wiring diagrams and locations, did you look into the reluctor wheel? Also check the electrical connector at the sensor.
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Tuesday, January 24th, 2023 AT 11:41 AM
Tiny
EARL91
  • MEMBER
  • 2000 CHEVROLET TAHOE
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 180,000 MILES
I just put a new crate motor in it. I got it to turn over. Now it's giving a p1626 code. Need detailed description of how to fix it, and a ground diagram for all wires. Please help.
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Wednesday, January 25th, 2023 AT 5:07 PM (Merged)
Tiny
EARL91
  • MEMBER
Yes, I looked into the reluctor ring that fixed my no crank. But now it cranks and stalls. Throwing a p1626 code.
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Thursday, January 26th, 2023 AT 6:25 AM
Tiny
KEN L
  • ADMIN
Okay cool, we are getting closer please start a new questions for the p1626 code.

Please post your new question here, you must be logged in.

https://www.2carpros.com/questions/new

Cheers, Ken
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Thursday, January 26th, 2023 AT 5:16 PM

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