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1996 Chevy Astro engine sputters

Tiny
MOSHMONKEY
  • MEMBER
  • 1996 CHEVROLET ASTRO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 265,000 MILES
My Van starts great but when accelerating it coughs/sputters a tiny bit, more so when it is cold. When it warms up it's not as bad. Also when hitting the pedal hard it does not sputter. I have tuned it up oil changed it and replaced the fuel filter. There is no engine light on but I am thinking it could possibly be a sensor not connected to the engine light. What are your thoughts?

Thanx,

Chris
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Saturday, March 27th, 2010 AT 2:04 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Possibly the ECT, it's screwed into the drivers side head, above 1&2 cylinder, or 3&4 cylinder. Or the TPS(throttle position) or a dirty MAF at the air filter box. Last, low fuel pressure, or vacuum leak. BTW, when was your last tune up?
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Saturday, March 27th, 2010 AT 2:10 PM

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