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when the O2 is removed, does the frequency valve stay open or closed or does it go into a default cylce frequency? i would look into the FV and related circuit. perhaps the fuse for the relay is dirty and not making good contact or it is the relay itself. i think it is fuse 18.
high idle could be the decel valve. it is controlled by vacuum and i think it can be adjusted. i put a hand vacumm pump on mine to check where it opened.
if your car has vacuum retard, check that out, loss of vacuum would cause an rpm jump
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86 930 94kmiles [_ _] RUNNING: [__] NOT RUNNING: ____77 911S widebody: SOLD
88 BMW 325is 200K+ SOLD
03 BMW 330CI 220K:: [__] RUNNING: [__] NOT RUNNING:
01 suburban 330K:: [__] RUNNING: [__] NOT RUNNING:
RACE CAR:: sold
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