I decided to unplug the Maf sensor and let the pcm default to speed density, power seem to comeback a little but im still having lean out issues, i may have some maf issues also so im gonna look for an ls1 maf. i ordered a fuel injector cleaning kit, the type that uses air pressure and a chemical canister to pressure clean the injectors, if that doesnt help, im dropping in a new pump. i may attemp to go external with a pump. but i still have to pull the tank again to remove the walbro i have now. has anybody attempted to cut the floor to access the pump from inside the car?
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