P0307 only at cold start

I have a 2005 5.7 1500 that I occasionally get a P0307 code but only when it has been sitting for at least over night. I've changed the plugs for fresh champions, swapped the #5 and #7 coils and removed and cleaned the injectors, while swapping the #7 and #1 injectors. I've also swapped plug wires around. There is no noticeable miss, and no tick. I can clear the code and not get any codes for the rest of the day, no matter how many times I shut it off and restart. I am afraid it could be... P0307 only at cold start

I have a 2005 5.7 1500 that I occasionally get a P0307 code but only when it has been sitting for at least over night. I've changed the plugs for fresh champions, swapped the #5 and #7 coils and removed and cleaned the injectors, while swapping the #7 and #1 injectors. I've also swapped plug wires around. There is no noticeable miss, and no tick. I can clear the code and not get any codes for the rest of the day, no matter how many times I shut it off and restart. I am afraid it could be...

P0307 only at cold start

Sat, 30 Jul 2022 23:41:10 +0000
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