Question about 1992 Chevrolet S-10

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1992 s-10 misfire after new plugs

I have a 1992 s-10 4.3 and i just put ac delco plugs in it and gapped them to .035 like it says to. now it has a missfire at idle. the plugs that came out of it where the same type but they where gapped around .045-.050

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They should be CR43TS AC Delco spark plugs. be sure you dd not crack the porcelin when installing them. if you know which one is misfiring take it out and look it over ,for any cracks and ck the gap gap should be .045 the decal under the hood should also have the gap spec.

Posted on Sep 23, 2009

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