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1996 Chevy S-10 Missing

Tiny
KAJUN1072
  • MEMBER
  • 1996 CHEVROLET S-10
1996 Chevy S-10 6 cyl Two Wheel Drive Manual

My 1996 S-10 engine misses badly when cold. As soon as it warms up, the missing is almost gone. I have changed the spark plugs (twice), distributer cap and points, and all spark plug leads. I have also changed the inline fuel filter. This seems to be getting worsw and worse. When I changed the spark plugs for the second time, it got much better for a while, and now is reverting back to it's old ways. What else can I troubleshoot to cure this problem, especially if it is related to a hot or cold engine.
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Thursday, August 21st, 2008 AT 11:09 AM

3 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Does it use any coolant, but has no leaks? Could be a very slight head gasket leak bleeding down into a cylinder overnight. Migh talso be a bad injector, those CPI engine had so many injector issues. The only cure is to install the updated injector (spider) Any black smoke on cold start when missing?
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Friday, August 22nd, 2008 AT 7:56 AM
Tiny
KAJUN1072
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The coolant level remains the same, and I don't see any black smoke when starting. It appears to me to be more of an ignition issue. Could the electronic coil cause this?
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Friday, August 22nd, 2008 AT 2:15 PM
Tiny
2CARPRO JACK
  • MECHANIC
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Possible, but not real likely. More likely an injector issue
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Friday, August 22nd, 2008 AT 4:35 PM

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