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1997 P30 Van 4L80E harsh 1-2 shift
Posted to Transmission Forum on 11/26/2009 12 Replies

Hello TF,

I have a 1997 Chevy P30 delivery van, 6.5L Diesel in the shop for a harsh 1-2 shift complaint. Verified the complaint, all other shifts are fine. Scan data showed 1-2 shift time @ 0.09 seconds. The only code stored was a code 22 (TPS low).

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