I agree with the idea of the 300 k rebuild but when I did the new head there was no build up and everything looked as if well taken care of all being bone stock it's a mystery I will get to the bottom of
So update I've reset the computer in hopes to idk in hopes of something well today I got a po172 po172pq . System to rich this is puzzling to me for the clean airfitler and new MAF I installed less then a month ago that being said after all these attempted fixes this truck has never ran quite...
Good point.
The only thing I can think of is maybe that computer temp sensor on the back of the block doesn't like being hooked up backwards and got fryed. But when unhooked it throws a code and runs worse like way worse so I really don't think so I've got good fuel pressure that doesn't leak...
This isn't my first 2.7l I know the vacum system fairly well I did a turbo on my last all from scratch no kits all custom by me myself and I . And there isn't a leak I've spent the last hour out there checking and rechecking I've had other noses under there as well and we haven't a leak
I bought this truck with a burnt vavle on number one I replaced the head with a reman ran fine for a month and then began my struggle so the problem is a semi rough idle when dead cold and miss fires bucks and overall runs like **** under 1/4 -3/4 throttle runs fine under full throttle and...