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Chevy S-10 surges between 45-55 mph

Tiny
GRUMPYIM
  • MEMBER
  • 2010 CHEVROLET
I have a 2000 chevy s10 2.2 liter auto with 97000 miles and when I drive it staying below 40 is fine and above 60 it's fine. However between 45 and 55 at a steady speed it surges. I changed the plugs, wires, and fuel filter, and I still have the problem.
Any ideas would be appreciated.
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Sunday, February 11th, 2007 AT 12:01 PM

7 Replies

Tiny
CHEVY22
  • MECHANIC
  • 1,375 POSTS
Has the fuel filter been changed yet?
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Monday, February 19th, 2007 AT 12:11 PM
Tiny
GRUMPYIM
  • MEMBER
  • 4 POSTS
Yes I changed the fuel filter, changed plug wires, spark plugs and it still surges.
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Monday, February 19th, 2007 AT 12:45 PM
Tiny
CHEVY22
  • MECHANIC
  • 1,375 POSTS
Check engine light on or flash at all
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Monday, February 19th, 2007 AT 12:49 PM
Tiny
GRUMPYIM
  • MEMBER
  • 4 POSTS
No check engine lights are on--transmission place said it was the transmission and wants to put in a trottle body kit for $450.
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Monday, February 19th, 2007 AT 2:15 PM
Tiny
CHEVY22
  • MECHANIC
  • 1,375 POSTS
Valvebody,

if that is the problem, if, that is a fair price, the pcm should still kick out a code at least p1870
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Monday, February 19th, 2007 AT 2:55 PM
Tiny
GRUMPYIM
  • MEMBER
  • 4 POSTS
Would you possibly have any other ideas on what to check for to remedy this problem?
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Monday, February 19th, 2007 AT 4:35 PM
Tiny
CHEVY22
  • MECHANIC
  • 1,375 POSTS
Not really, its a weird problem, thats all I can come up with without looking at it, sorry
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Monday, February 19th, 2007 AT 4:44 PM

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