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Engine Codes...what do these ones mean?

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Old 03-03-2007, 08:16 PM
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02bluegtstang
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Default Engine Codes...what do these ones mean?

P0136 Downstream Heated Oxygen Sensor circuit fault - Bank No. 1.
P1131 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 1.

What do those codes exactly mean? Is that why my car is sounding extremely loud?
Could it be because of my Prochamber? Could I still take it in for warranty?
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Old 03-03-2007, 09:07 PM
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97modifiedmustangGT
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Default RE: Engine Codes...what do these ones mean?

it means you over revved your car while you were drunk
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