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2001 Chevy Blazer CAMSHAFT SENSOR

Tiny
MIKE12657
  • MEMBER
  • 2001 CHEVROLET BLAZER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 88,000 MILES
I HAD TWO PROBLEMS ONE WAS CRANKSHAFT SENSOR CODE THE OTHER WAS MISSFIRE CYL. 4 REPLACED INJECTOR SYSTEM AND ALL INJECTORS, NO MORE MISSFIRE, BUT NOW IM GETTING CRANKSHAFT SENSOR WHEN YOU PUT A LOAD ON THE MOTOR AT ABOUT 3800 RPM THE TACHOMETER GOES CRAZY JUST JUMPING ALL OVER AND IT SOUNDS LIKE A PINGING AND THE COMPUTOR CODE IT GIVES IS CRANKSHAFT SENSOR
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Wednesday, October 14th, 2009 AT 11:26 AM

12 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Recheck your work and make sure the sensor is tight and clean. It sounds like the timing is getting advanced or the sensor itself is bad again.
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Monday, October 19th, 2009 AT 8:08 AM
Tiny
MIKE12657
  • MEMBER
  • 8 POSTS
IVE WENT OVER IT AND NOTHING AND IM BEING TOLD THAT IF CRANKSHAFT SENSOR IS BAD CAR WILL NOT RUN AND IM WONDERING IF THATS THE CASE
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Wednesday, October 21st, 2009 AT 10:25 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
The crank sensor can cause the engine not to run at all. However, it can cause other problems too. I can't guarantee that is the problem, but at this point, it seems to me that is has something to do with it.

A crank sensor is what identifies the ignition timing. I have seen them cause timing problems, engines that run and then shut down.

If the code you are getting is a crank sensor, my guess is that is where the problem is coming from.
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Thursday, October 22nd, 2009 AT 8:14 AM
Tiny
MIKE12657
  • MEMBER
  • 8 POSTS
Well I replaced crankshaft sensor and same problem, im now leaning toward coil pack, and whole new distributor
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Thursday, October 22nd, 2009 AT 9:18 AM
Tiny
MIKE12657
  • MEMBER
  • 8 POSTS
IAM ALSO GETTING A P0304 CODE WHICH IS MISSFIRE CYLINDER 4 I HAD IT AT CHEVY DEALER FOR INJECTION SYSTEM REPLACEMENT AND IM WONDERING IF WHEN THEY REPLACE SPIDER ASSMBLY IF IT INCLUDES POPPETS BECAUSE I KEEP HEARING ABOUT POPPETS
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Friday, October 30th, 2009 AT 9:35 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
I doubt they replaced them. If you pull the #4 spark plug out, what does it look like?
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Friday, October 30th, 2009 AT 9:40 AM
Tiny
MIKE12657
  • MEMBER
  • 8 POSTS
I THOUGHT IT LOOKED PRETTY GOOD IT WAS ON THE TAN SIDE
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Friday, October 30th, 2009 AT 9:42 AM
Tiny
MIKE12657
  • MEMBER
  • 8 POSTS
WELL I FOUND MY MISSFIRE PROB IT WAS A BAD COIL WIRE BUT NOW IM STILL GETTIN THE P0335 CRANKSHAFT SENSOR CIRCUIT MALFUNTION, IVE REPLACED THE WIRES FROM THE SENSOR TO THE CPM AND NO DIFF MY TECH IS LEANING TOWARD A NEW COMP. AND I DID CONTRIBUTE
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Saturday, October 31st, 2009 AT 10:13 AM
Tiny
THIS IS MIKE
  • MECHANIC
  • 686 POSTS
We appreciate your donation and will continue to try and help you figure this out.
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Thursday, November 5th, 2009 AT 12:06 PM
Tiny
MIKE12657
  • MEMBER
  • 8 POSTS
WELL ID LIKE TO FIGURE IT OUT BUT THIS WAY IT WILL TAKE SIX MONTHS, TOOK IT TO MECH THEY CLAIM IT NEEDS NEW ENGINE HARNASS
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Thursday, November 5th, 2009 AT 12:09 PM
Tiny
THIS IS MIKE
  • MECHANIC
  • 686 POSTS
We have refunded your donation and are glad to hear you have it figured out. We are sorry we could not help you quicker.
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Thursday, November 5th, 2009 AT 12:22 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Was the crank sensor checked or replaced?
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Thursday, November 5th, 2009 AT 1:31 PM

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