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Re: OBDII Chevy pickup - MAP voltage does not match PID
Posted to Technical Discussion Forum on 12/1/2004

Hi Damon,

I must apologies for not posting an update sooner, had company waiting for me when I got home last night and forgot.

Rags was correct, the MAP PID is not updated unless the vehicle is running. No problem was found with the MAP sensor. It seems th... Login to read more.