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Print in friendly format Send this term to a friend  4L80E
Automatic Transmission - 4 Speed

1st Gear: 2.43
2nd Gear: 1.49
3rd Gear: 1.00
4th Gear: 0.75

Reverse: 2.07

- Used in production GM models...
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Re: ECU going out?

Subject: Re: ECU going out?
by shakedown067 on 2013/6/26 18:59:42

Yep, checked that off the list already too. Bank 1 sensor 1 was reading weird before it all went haywire, so I replaced it with a new delphi unit, so I know it's good. Bank 2 looked good last time I checked when I did an oil change a few weeks ago. The CCM is in the same ground as a lot of these components so it's on the list of crap I may have to replace too. Damn I hate electronics.
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