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Power down

Tiny
HERMANF1961
  • MEMBER
  • 1997 CHEVROLET BLAZER
  • 4.3L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 137,000 MILES
While driving the truck will power down shutting it off and reset will run fine again
Wednesday, February 10th, 2016 AT 5:28 PM

15 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Please define power down?

Roy
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Wednesday, February 10th, 2016 AT 6:20 PM
Tiny
HERMANF1961
  • MEMBER
  • 8 POSTS
Upon hitting a hill sometimes flat surface while accelerating the call will not move and you still running it will idle shutting off the ignition and restarting the call will run normal for a while
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Wednesday, February 10th, 2016 AT 6:42 PM
Tiny
ASEMASTER6371
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Ok, do you have the check engine light on?

Roy
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Thursday, February 11th, 2016 AT 10:34 AM
Tiny
HERMANF1961
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  • 8 POSTS
The light doesn't always come on sometimes no code
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Thursday, February 11th, 2016 AT 2:12 PM
Tiny
ASEMASTER6371
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It sounds like the fly by wire system is not working. It is the system that controls your accelerator pedal. Does this make sense
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Thursday, February 11th, 2016 AT 2:23 PM
Tiny
HERMANF1961
  • MEMBER
  • 8 POSTS
I can understand what you're saying but I don't know what you mean
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Thursday, February 11th, 2016 AT 2:25 PM
Tiny
ASEMASTER6371
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Is it where the engine is running but you cannot accelerate?

Roy
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Thursday, February 11th, 2016 AT 2:33 PM
Tiny
HERMANF1961
  • MEMBER
  • 8 POSTS
Yes you don't accelerate and I'm going nowhere when you shut it off turn it back on it works fine for a while
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Thursday, February 11th, 2016 AT 2:37 PM
Tiny
ASEMASTER6371
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Ok that sounds like the system. The most common failure is the throttle position sensor on the side of the throttle body. Check it for damaged connector and pins

Roy
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Thursday, February 11th, 2016 AT 2:41 PM
Tiny
HERMANF1961
  • MEMBER
  • 8 POSTS
Replace that twice already same problem still exists
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Thursday, February 11th, 2016 AT 2:46 PM
Tiny
ASEMASTER6371
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Ok what else have you done so we dont cover the same real estate
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Thursday, February 11th, 2016 AT 2:49 PM
Tiny
HERMANF1961
  • MEMBER
  • 8 POSTS
Mass air flow sensor fuel filter air temp sensor spark plugs cap rotor wires PCV valve air filter
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Thursday, February 11th, 2016 AT 2:53 PM
Tiny
ASEMASTER6371
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None of that has anything to do with the issue

there is a pedal sensor that has the control module on it that is the other half of the system. Have you had that checked?
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Thursday, February 11th, 2016 AT 2:58 PM
Tiny
HERMANF1961
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  • 8 POSTS
No I haven't I will have that checked out
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Thursday, February 11th, 2016 AT 3:00 PM
Tiny
ASEMASTER6371
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Ok
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Thursday, February 11th, 2016 AT 3:05 PM

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