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2000 Chevrolet Monte Carlo SS 3.8L Hesitation, stumble @ 45+
Posted to GM Driveability on 7/13/2009 4 Replies

I figured out most of the problems, I have one more vacuum leak to fix. I used a smoke machine to fix about 6 vacuum leaks. I have a 3.8 transverse motor, there is a casting hole about 3/4 to 1" in diameter in the upper rear of the block(right before the trasm...

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Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Monte Carlo SS

VIN 2G1WX12K4Y
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHesitation, Stumble @ 45+
OccursUnder Load, on Accel, Idle
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Monte Carlo SS

VIN 2G1WX12K4Y
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHesitation, Stumble @ 45+
OccursUnder Load, on Accel, Idle