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Old 04-30-2019, 01:45 PM   #7
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What I Drive: 2002 Focus wagon 2.0L Zetec 5-speed

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Originally Posted by pcordes1979 View Post
when things went crazy the O2 pegged at 1V and the fuel trim went to +66.
Interesting case. Usually when the O2 reading is high (rich) the fuel trim goes negative as the system tries to respond by pulling out fuel. A question would be: is the O2 responding to an issue or is it the issue? The original code you posted P2195 is a lean code.

2005 ZX4 SE 2.0L Duratec 5-speed 191K miles
2002 Wagon SE 2.0L Zetec 5-speed 135K miles

Last edited by Paul1958; 05-02-2019 at 12:20 PM. Reason: spelling
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