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Keep your injectors for now. 200 1991

uid 27's pic
posted by  Art Benstein on  Sun Dec 11 14:13 CST 2011
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last visit: Fri Oct 17 20:10 CST 2014
[RELATED]

Keith,

Chuck is right. The short description of 113 pointing at injector failure is a bum steer. I've treated many 113's and never, never needed to change an injector. The real causes vary from fuel delivery problems, such as tank pump inoperative or hole in the fuel pressure regulator's vacuum diaphragm, through air intake problems such as manifold gasket leaks, to exhaust leaks before the oxygen sensor.

Oxygen sensor contamination was the reason in one case - on the outside of it.

113 is simply where the ECU gives up trying to match fuel to air. Once you set that code, it runs a rich limp-home fuel map disregarding the oxygen sensor.

My advice to you is follow Chuck's advice, reset the adaptive trim by momentarily lifting fuse 6, drive it some to verify the code, and keep your injectors until you rule out the common issues, such as leaks, of which some are listed above.
--
Art Benstein near Baltimore

Always remember that you're unique. Just like everyone else.





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