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Old January 14th, 2013, 09:01 AM   #1
stereoguy
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Default 4.3 help no start

I just bought a 94 s10 blazer for a donor engine swap for my 4runner. The engine is a jasper reman and was running perfect about a month ago the fuel spider has been replaced recently also . I went to pick it up and it will not fire just cranks . I tried starting fluid in the throttle body and still nothing . It has only been driven in and out of the garage for about a year and normally starts right up . I have no experience with the 4.3 so any ideas ? I was thinking rotor and cap ? It has some spark when i cranked it with plug wire off to ground. I need to get this home and start tuning it up before pulling it so any ideas where to start?
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Old January 14th, 2013, 09:13 AM   #2
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I had this happen on a 93 4.3 truck..
1: Check coil, I replaced mine and the new was bad too :) (turned out to be the whole problem)
2: Ignition module
3: cap and rotor
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Old January 14th, 2013, 09:03 PM   #3
stereoguy
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Thanks! Im going to try the cap and rotor first . I just didn't know where to start .
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Old January 14th, 2013, 09:18 PM   #4
Jeep ZJ
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had the same thing happen to me. check the cap and rotor.
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Old January 14th, 2013, 09:47 PM   #5
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x2 seems like the older ones were affected by moisture easy.
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Old January 15th, 2013, 05:58 AM   #6
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If you need to just get it running, you can try sanding/clean corrosion off the contacts in the cap. Also check the coil tower & coil wire for any signs of corrosion. Also for the love of god dont buy a Vato Zone cap & rotor
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