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1994 Chevy Blazer Jerking when driving.

Tiny
BLAZERGUY727
  • MEMBER
  • 13 POSTS
The guy at Autozone said if my check engine light never came on it wouldnt give me codes so he didnt do it. I asked a friend who owns a tow truck service. He said it could be something in my fuel pump, some kind of spring. I forgot what he called it. I will be installing my new 02 sensor tomorrow.
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Saturday, March 7th, 2009 AT 9:01 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Something that might help Jim out, what is the mileage on this motor, and what size? A lot of times the MAF goes out of range and can cause your symtoms, this is the sensor at the air filter box, also the ECT(engine coolant temp sensor). ECT is only abot 20.00 but the MAF runs about 125.00. Always start with the basics, TUNE UP parts can also cause this, bad wire(s) and Plug(S).
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Sunday, March 8th, 2009 AT 9:25 AM
Tiny
BLAZERGUY727
  • MEMBER
  • 13 POSTS
I figured it out. It was what I thought it was in the beggining. It was spark plugs and wires. I changed them tonight. Problem solved. I feel so retarded.
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Sunday, March 8th, 2009 AT 7:56 PM
Tiny
JAMES W.
  • MECHANIC
  • 2,394 POSTS
You never kick a man when he's down. Glad you found it. Anything else, you know where to find us.
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Sunday, March 8th, 2009 AT 8:10 PM
Tiny
BLAZERGUY727
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  • 13 POSTS
Ok, haha thank you so much. I will be coming back here for all my needs. I will also be recommending you guys. Thank you again.
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Sunday, March 8th, 2009 AT 8:22 PM
Tiny
MERLIN2021
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Your welcome!
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Monday, March 9th, 2009 AT 11:21 AM

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