creeperxr7
Registered User
i have the focus cai on yesterday i decided to put in the 45 in and set my filter in the fender well...... after driving on the freeway accelerating and coasting i seen my check engine come on then go off .... what i noticed that i was a pattern .. always after letting off the throttle when engine speed was around 65 --70 mph the check engine would come on then off right below 65. checked code . it was 66 c.. maf voltage under .04 volts within the last 80 cycles i believe was the description ... could the change of filter done that .. the maf is located before the bend. thank u