Hi everyone,

i recently had a check engine light come on in my truck (97' 5.4L). It is for the engine running rich bank 2 "adaptable". the truck doesnt run all that bad but the milage has definetly droped off. it could possibly be for the injectors i put in the truck (similar to stock) but i replaced them a couple months ago and its now throwing a light. any suggestions or ideas why and/or solutions would be GREATLY appreciated

 

sounds like you might have a o2 sensor going bad.... if it was from the injectors, it sohould have gotten the code from both sides.... IMO

 

If its code P0175 could be as simple as a dirty air filter. My vote would go toward bad O2 sensor also.

 

unplug the sensor, and see if the mpg comes back.. the o2 wont be sending a code so the comuter will go back to neural position, and the MPG should go back up.

 

thanks everyone ill try cleaning the air filter first if that doesnt help ill try unpluging the O2 sensor i appreciate the help

 

the engine just recently thown another code its for the Bank 1 running rich. so i back stepped to the injectors. i read up on them its says that they must be used with a high performance mass air flow sensor. the thing thats getting me is the fact that it took till now to thow a light. its also throwing a P1000 code not sure what that means its not in my book. air filter is starting to get dirty so ima clean that too (need to find a K&N oiling kit if anyone knows where to find that) well any sugestions/comments would be GREATLY appreciated. The truck still running alright not as good as it should but still ok.

 

Are you running more than 19lb. injectors?

 

yeah im running 24lb injectors. however i was getting a O2 sensor high voltage / low voltage on both banks. so i just guessed and removed my hypertech program and the lights havent come back on since i dont know whats going on. ima probably e-mail hypertech and try to find out whats going on still dont know what P1000 code is either. i also put in a jet performance MAF sensor so ill probably re-install the programer and see if the light comes back on that way i can pin point the problem. if im missing something or overlooking some please help me out. thanks everyone!