ok i already posted a thread about my blazer running good cold, but as soon as it gets to operating temp it has no power and misses badly ok today i took everybody ideas and put them to use heres what i did: i took off the catalytic converter, nothing, same thing, i pulled off the IAC and cleaned it, nothing, same thing, i took off the TPS and tried adjusting it by turning it and giving throttle, nothing, same thing, i unhooked the O2 sensor and you guessed it, SAME THING, i checked the plug wires they are routed fine no problems, what really gets me is even when its at operating temp and i ease into the throttle when its in nuetral it doesnt miss or any thing it hits on all 6, but if i floor it in nuetral or driving it, it misses badly please some one help it is driving me crazy here are the specs: 92 4x4 auto vin w engine thanks everybody

 

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