Having problems with your 1993 Chevrolet S-10 Blazer ?
Cranks but won't start
\015 1993 blazer 4.3 CPI won't start when cold.\012\012 It cranks over fine and does start after 30 or 40 five second crank intervals.\012\012Sometimes when the battery gets run down from cranking forever , I have too boost it and it starts right up like nothing was wrong.\012\012 I also tried to boost the truck in the morning before trying to start and it does the exact same thing but starts after 10 to 15 attempts.\012\012 During these attempts to start, it spits and sputters and try to start ,but won't .\012\012If i use the remote start (Viper professionally installed 500.00) when the truck is cold it cranks over so many times i have to stop it with the remote !\012\012 When it starts it runs great and the starting issue is gone , Only after cooling down for 5 or 6 hours( or below 40 oC) will the starting issue return.\012\012 It does the same in summer or winter ,\012\012 New fuel pump, I have 55 lbs fuel pressure at plenum ,\012\012New starter(Hitachi) New alternator (Hitachi)\012\012 I have spark at plugs,\012\012clean K&M air filter,\012\012 I replaced spider and nut kit.\012 \012I replaced all electrical sensors .\012\012Motor was professionally rebuilt less than 100,000 KMS ago. \012\012 Will a clogged EGR Valve cause this problem?\012\012I have been dealing with this problem for a year or so now.\012\012It seems like a lot of people have this same problem with this CPI motor.\012\012Any suggestions would help\012THANKS\012Paul\015
Have you check the distributor?, I have had symilar problem with a newer blazer and it was the distributor, good luck
Repair Help & Product Troubleshooting for 1993 Chevrolet S-10 Blazer
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