[Gmecm] 200 3800 OBD2 question - please ingnore

[Mike V]

Next time I will plug in a scanner before
posing the questions.
Forward O2 sensor was bad.
It runs well now.
Cheers,
MV


At 01:52 PM 3/13/2006 -0500, you wrote:
>I installed a used 3800 in my 2000 Impala over the
>weekend and it started & idled smoothly.
>Compression was good in all cylinders and it looked great.
>During initial warm-up & fluid check, it started to run very rough.
>A test drive showed it to be way down on power.
>Is there a re-learn procedure I need to initiate with a scan tool?
>I will borrow the appropriate scan tool today.
>tia
>Mike V