chiel Posted April 15, 2005 Report Share Posted April 15, 2005 (edited) When under boost my narrowband a/f gauge is directly on the rich. normally it goes from lean to rich up and down. After driving i got dtc: P0101 - Mass Air Flow (MAF) Sensor Performance (SES) (OLD) (History) (Immature) P0131 - HO2S Circuit Low Voltage Bank 1 Sensor 1 (OLD) (Immature) P0137 - HO2S Circuit Low Voltage Bank 1 Sensor 2 (OLD) (Immature) P0157 - HO2S Circuit Low Voltage Bank 2 Sensor 2 (OLD) (Immature) It still pulls very strong, but looks like at almost wot i have more power than at wot. Looking at the dtc's i will check tomorrow the wires from the ho2s sensors. You guys any idea's? Edited April 15, 2005 by chiel (see edit history) Quote Link to comment Share on other sites More sharing options...
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