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1987 Pontiac Bonneville 3.8L Chuggle?
Car acts as though it has a bad plug or plug wire under load, but only after converter locks up and goes into overdrive. If the trans is shifted into third (drive) the problem stops. Usually if the accelerator is lifted, the trans goes back into third and agai...
FIX posted 6/9/1998
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| VIN | 1G2HZ5432H |
| Engine | 3.8 L / 6 cyl |
| Emissions | US Fed |
| Symptoms | Chuggle? |
| Occurs | Under Load, Cruise, in Overdrive |
| Misc. | 4 Door Le |
Message Closed w/FIX
Vehicle Data
1987 Pontiac Bonneville
| VIN | 1G2HZ5432H |
| Engine | 3.8 L / 6 cyl |
| Emissions | US Fed |
| Symptoms | Chuggle? |
| Occurs | Under Load, Cruise, in Overdrive |
| Misc. | 4 Door Le |
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