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Discussion Starter #1
My 91 Sonoma with a 4.3 will only run if I have the electrical connection unplugged and even then it will die after a short time. So far I have replaced the fuel pump, fuel filter, plugs, rotor, dist cap, and ECM but no joy. I am not a mechanic and would greatly appreciate any ideas.
 

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94 4x4,01 Blazer
2001 Blazer 4dr 4wd LT
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976 Posts
try replacing the map sensor
 

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94 4x4,01 Blazer
2001 Blazer 4dr 4wd LT
Joined
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976 Posts
ok- check the wiring from map plug back- from what your say it's definately somewhere near there
 
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