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2008 Pontiac Grand Prix 3.8L Surge/Chuggle/Fishbite
77,000 miles and we have an interesting Chuggle. Squeeze the throttle a little for acceleration and when 4th gear hits and TCC tries to apply there is no firm engagement of the TCC. Instead there is a slight chuggle that can be seen in the tach as a wiggle. No... Login to read more. 
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13 Replies Received
13 Replies Received
| Engine | 3.8 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2008 Pontiac Grand Prix 3.8L
| Engine | 3.8 L |
| Trans | 4-speed Automatic (Electronic) |
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