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1993 Chevy Suburban problems with engine

Tiny
RDLEACH
  • MEMBER
  • 1993 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 65,000 MILES
I just had a new motor, transmition, diff, and rear end installed 2 months ago. Now the speedo acts like a tach and when the speedo goes crazy the engine starts sputttering real bad I have had it in the shop several times and they cant find the problem. It seems to get worse if you turn the cruse control on. I replaced the speed sensor and now the only time I have this problem is when I try to use the cruse control. When I engage the cruse control the sppedo goes grazy
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Monday, February 15th, 2010 AT 1:27 PM

5 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Have them check the vehicle speed sensor, I feel it may be faulty
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Monday, February 15th, 2010 AT 1:34 PM
Tiny
GREG75495
  • MEMBER
  • 7 POSTS
Is your problem intermittent or does it start from the get go?
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Monday, February 15th, 2010 AT 1:38 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
Most likely a faulty Vehicle Speed Sensor loacted on left side Trans near tail shaft.
Thanks for donate
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Monday, February 15th, 2010 AT 1:39 PM
Tiny
RDLEACH
  • MEMBER
  • 1 POST
The problen is ntermittent
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Monday, February 15th, 2010 AT 2:05 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Have you had Vehicle speed sensor checked?
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Thursday, February 25th, 2010 AT 8:48 AM

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