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Old 03-30-2011, 07:13 PM
uptheirons uptheirons is offline
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Engine: 2002-2007 287ci (4.7L) PowerTech V8 235hp 295lb/ft
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Default P0132 and P0138, Excessive Fuel Consumption...

soooo, i keep getting the codes P0132 and P0138, which as far as i;ve found is High Voltages at the O2 Sensors, and Excessive gas Consumption, and i mean horrible, like 10-12 MPG on the highway, and as low as 4-5MPG in the city... I have replaced both o2 sensors already, but the codes keep coming back, kinda stuck now.

anyone had this problem, it also seems to run a it rougher than it did before, sometimes surges a bit when i'm slowing down.

keeps throwing the same codes out, sometimes throws out P0171, which as far as i've found is a "lean air/fuel mixture".

Any suggestions from anyone?

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Old 03-31-2011, 06:16 PM
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Either you have an intake manifold leak or some leaky injectors. But since you got the lean condition code, I suspect an intake air leak.

Good luck!
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