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International Automotive Technicians Network
Re: P0420 and fuel economy: Huh?
Posted to Technical Theory Forum on 5/29/2011 21 Replies

[...trimmed text...]

An error in the calculations for the PCM/ECM-NO

An error that will put the driver in court- YES

[...trimmed text...]

Wheel to wheel speed differences, yes. ... Login to read more.

21 Replies Received (View Replies)