Intermittent P0171 and p0300

[chevy1500]

 

[chevy1500]

part 2

 

[HiHoeSilver]

Bank 1 vacuum leak no doubt.

 

[chevy1500]

Bank 1 vacuum leak no doubt.

Ok just now i just sprayed some carb cleaner on #1 injector and the engine stumbled short term went up to - 10 sprayed again and its not doing it anymore smh

 

[HiHoeSilver]

Ok just now i just sprayed some carb cleaner on #1 injector and the engine stumbled short term went up to - 10 sprayed again and its not doing it anymore smh

You're getting warmer. You're on it now. That data is undeniable. Chase her down, bro. It's there somewhere.

 

[chevy1500]

You're getting warmer. You're on it now. That data is undeniable. Chase her down, bro. It's there somewhere.

Im.going to buy Orings now will give the update when im done

 

[chevy1500]

Update : changed the Orings and no dice still throws the p0171 code

 

[chevy1500]

Update : changed the Orings and no dice still throws the p0171 code

 

[chevy1500]

Update guys come to find out one day i was cleaning my 05 tahoe engine area while it was running so i was like let me take off the oil filler neck and she started surging a lil capped it back up normal so i went over to my 07 my filler neck wasnt seated all the way in due to a broken tab ...luckily i had a extra one i replaced it and no more p0171 codes but now i get smoky start ups in the morning or after sitting a few hours smh

 

[afpj]

duplicate sorry