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Shudder/stutter

Tiny
JIMBO.D
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 126,000 MILES
Vehicle shudders/stutters on slight acceleration. Map sensor replaced, did not help. Hard acceleration. Has no issues. What could the issue be?
Sunday, August 21st, 2016 AT 5:26 PM

4 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Have you checked the computer for codes yet?
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Sunday, August 21st, 2016 AT 5:56 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Could be spark plugs or a coil failing.
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Sunday, August 21st, 2016 AT 5:57 PM
Tiny
JIMBO.D
  • MEMBER
  • 2 POSTS
No check engine light yet. Will check the plugs this evening. Thanks.
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Monday, August 22nd, 2016 AT 6:03 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Alright keep me posted.
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Monday, August 22nd, 2016 AT 12:24 PM

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