I have had the same problem for a few years now. A post earlier mentioned installing a resister on the air temp sensor. ""My question is what ohm should i install and how to install it?"" This will fool the computer to think the air temp is normal not 140deg which will retard the timing which...
I have had this same problem for a few years on my 2002 4x4 5.4. It only happens when outside temp is 95deg or higher. When below 92deg it runs like a champ. I have re-flashed (PCM) computer per article 2-12-3 dealer coding (15630)-Lacks power in High Temperatures-Program PCM. Replaced spark...
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