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1998 Pontiac Bonneville SE 3.8L Upper Plenum
Posted to GM Engine on 7/21/2005 11 Replies

The first plenum we replaced with a GM part and the second time was with and aftermarket that had the reinforced ports by the throttle body. I do not remember if the plenum that failed at 120,000 cracked at the throttle body ports or burnt through at the egr p...

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  Related Documents & Media  1998 Pontiac Bonneville SE

 
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Bonneville SE

VIN 1G2HX52K7W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedUpper Plenum
ConditionsBurnt
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Bonneville SE

VIN 1G2HX52K7W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedUpper Plenum
ConditionsBurnt