URGENT - Need to replace intake gaskets - I have a question about the injectors

[Mike 97]

Hey everyone -
I need to replace my upper and lower intake manifold gaskets. I will be doing the job on sunday - autozone is my only option. Should I replace the injectors while I'm at it?
Thanx


P.S. it has about 106k on it

 

[Jason_25]

Just curious, what were your truck's symptoms?

 

[Mike 97]

I got codes p0171 & p0174 - lean both banks. I tried changing the 02 sensors - same problem. I sprayed some carb cleaner around the intake manifold (lower) when the truck was idling. The idle would go from around 300 to 900 like it was going to stall. The cleaner didn't make the rpm go nuts but it did level it out at a higher rpm.

Am I headed in the right direction with this??