is "fuel trim - bank 1 (and 2) - system too lean. Intermittent" a big deal?

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07-21-2003, 11:24 AM

#11

masonh

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good one.

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07-22-2003, 05:55 PM

#12

slimmn

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For those 2 codes, Bently recommends checking the:

1. Heated O2 and O2 sensors before and after the three way cat converter
2. Fuel pressure, fuel pressure regulator, and residual fuel pressure
3. Fuel injectors
4. EVAP cannister purge regulator valve

I got these from the A4 Bently CD.

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07-23-2003, 11:14 AM

#13

bpower1

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fyi, wendy has it for less than $400

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07-23-2003, 12:08 PM

#14

Paul_A8

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But... what if it isn't MAF sensor?

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07-23-2003, 01:27 PM

#15

bpower1

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i didn't buy it - still waiting to see. but in case others knew they needed it,....

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