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- - a/f gauge problems (https://www.miataturbo.net/general-miata-chat-9/f-gauge-problems-33605/)

yada	04-05-2009 01:59 PM

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?

Savington

04-05-2009 02:04 PM

Wideband or no?

yada	04-05-2009 02:06 PM

AEM wideband

paul	04-05-2009 06:08 PM

heatsoaking could.

Savington

04-05-2009 06:11 PM

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

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