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Joel, Auto technician
Category: Chevy
Satisfied Customers: 1603
Experience:  GM, ASE Certified Technician. Chevy, Buick, Pontiac, Olds. Over 18 Years experience and growing.
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Where is the camshaft position sensor located on a 2001

Customer Question

where is the camshaft position sensor located on a 2001 chevy blazer?
Submitted: 10 years ago.
Category: Chevy
Expert:  Joel replied 10 years ago.

Welcome to JA. The crankshaft position sensor on the 4.3 v-6

is located in the lower portion of the front timing cover, on the pass side. Access from underneith the truck. 1 bolt holds it in. After replacement, a 'cranshaft position variation re-learn' procedure should be done, or you may get a check engine light. If this was helpful, please ACCEPT. Positive feedback also welcome, thanks, Joel

Joel and 5 other Chevy Specialists are ready to help you
Customer: replied 10 years ago.
I believe that you pointed me to the crankshaft position sensor. Or if you could be a little more elaborate. I'm 600 miles from home and my car runs like crap and I havent slept. And I have to be at work on Monday.
Expert:  Joel replied 10 years ago.
i did. I apologize for reading that wrong. The CAM sensor is under the distributor cap, under the rotor, 2 bolts hold it on, 1 electrical plug sticks out of the distributo housing. I would have to i have not replaced many of those. Any reason for thinking it is bad?
Customer: replied 10 years ago.
My check engine light came on about 2 am this morning on 95 south and shortly after it started acting funny ie.. hesitating real briefly and this morning I had Auto zone scan it and it pointed to the cam sensor.
Expert:  Joel replied 10 years ago.
Ok. Then sounds like possibly a cam sensor problem. If you are going to replace it, also look closely at the inside of the distributor cap and rotor. They are know for getting moisture inside causing missfires, hesistation, hard start and possibly even a cam sensor code.
Customer: replied 10 years ago.
Thanks. I have to handle a problem for a couple hours. I will pay for your advice later once I return and check under my distributor cap.
Expert:  Joel replied 10 years ago.
Ok, let me know. I will be off later today, will try to check in periodically. Good luck
Customer: replied 10 years ago.
Allright, I checked under the rotor and there it was. It was a pain in the butt but I replaced it with no blood spilled. Thanks for your help
Expert:  Joel replied 10 years ago.
Your very welcome.