a/f gauge problems

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04-05-2009, 01:59 PM

yada

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a/f gauge problems

What could cause my a/f gauge to go from the actual a/f ratio to full lean then back to actual a/f ratio slowly getting leaner until it finally just stays full lean?

04-05-2009, 02:04 PM

Savington

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Wideband or no?

04-05-2009, 02:06 PM

yada

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AEM wideband

04-05-2009, 06:08 PM

paul

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heatsoaking could.

04-05-2009, 06:11 PM

Savington

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Exhaust leak pre-sensor will cause lean readings at idle.

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