1985 Chevrolet S 10 A1985 S10 Blazer 2 8 4wdrive Other Day Started Spitting

1985 CHEVROLET S-10
113,000 MILES
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I have a1985 s10 blazer 2.8 4wdrive the other day it started spitting and sputtering then back fired and cut off. Its getting fuel and I changed the distributor cap and rotor button due to low spark now is seems to spark fine when u turn it over but still doesn't start. Do u think it could be the timing chain or something else any advice would be great thanks
Nov 1, 2012 at 12:16 PM
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HMAC300
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take teh cap off and put engine up to #1 and see if rotor is pointing to #1 plug wire. if it's off or the rotor cap doesn't spin good i t may be timing chain. also take a compresion check if timing chain is bad teh compression on all cylinderswill be very low like 75 #
Nov 1, 2012 at 12:20 PM
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