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1997 Pontiac Grand Prix GTP 3.8L TCC-Preformance
Posted to GM Transmission on 5/29/2003 4 Replies

all gear shifts feel normal. there is a long lag or flat acceleration,directly after 1-2 shift. scan-data looks normal except,"spark timing".itshows (-)10 to- 20, then with steady throttle, jumps to (+)10 to +25, then accelerates nomally. smaller lag after 2-3...

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car Vehicle Data

1997 Pontiac Grand Prix GTP

VIN 1G2WP1213V
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTCC-Preformance
ConditionsNo Lock-Up, Due to Code- Lag After 2nd Gear Shift
Message Closed

car Vehicle Data

1997 Pontiac Grand Prix GTP

VIN 1G2WP1213V
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTCC-Preformance
ConditionsNo Lock-Up, Due to Code- Lag After 2nd Gear Shift