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International Automotive Technicians Network
Re: Envoy P0171
Posted to Technical Discussion Forum on 1/20/2006 3 Replies

[...trimmed text...]

Yes there is, and it shows on the LT Fuel trim in this capture:

[...] [[...]]

Look towards the LH side of the graph. As the BARO started to update, the LT fuel trim increased. This happened not o... Login to read more.

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