SOURCE: fuel pressure regulator
unfotunately all of the throttle body and sometimes the intake has to be removed to do this, what is really great (just kidding) is you also have to remove these things to replace a $2.98 PCV valve, because the fitting for the top of the valve butts up against the top of the intake, so BE SURE to do that at the same time, just a tip..
PHIL
SOURCE: I cant find out what is causing these lean codes on bank 1 &2.
vacuum leek,bad computer or you have a linkage out of adjustment on the throttle body
SOURCE: 89 Corsica: no power, hesitates in drive, idles
Check your fuel pressure, and or injectors. You may have too much fuel getting into the engine causing it to burn rich and overheat the converters.
SOURCE: 95 2.5 jeep wrangler stalls consistantly and will
I had the same issue with my 4.0, I went through all the same BS you did and in the end it was a faulty fuel pump. Pricy i know but im sure thats your problem
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