what could this be????

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Oct 4, 2007 | 07:13 PM

transamfreak01

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what could this be????

i threw 2 codes the other day.... they came up that in cylinder 1 was lean in bank 1 and bank 2. what could this be nd how can i fix it?

Oct 4, 2007 | 09:58 PM

8a8mfh

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Theres no such thing. It must have been sensor one bank one and sensor one bank two.
Thats means the front sensors are reading lean.

Oct 4, 2007 | 11:25 PM

transamfreak01

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well when i took it to autozone thats exactly what came up.... if its what u say than what can fix it?

Oct 5, 2007 | 01:26 AM

Azrael

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You need to get a wideband done to check your air fuel ratio. But it sounds like the codes were a lean condition detected by the PCM based a number of conditions. The codes were probably P0171 and P0174.

Check here: Gearchatter

Oct 5, 2007 | 01:42 AM

8a8mfh

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Quote:

Originally Posted by transamfreak01

i threw 2 codes the other day.... they came up that in cylinder 1 was lean in bank 1 and bank 2. what could this be nd how can i fix it?

Take a look at your exhaust manifold, there is no way it can sense cylinder 1 being lean, they all merge together before the gasses hit the O2 sensor.
and how would it detect cylinder 1 lean in bank 2 when cylinder 1 is on the opposite side?