Pontiac Bonneville
engine Problems
We don't have a lot of Pontiac Bonneville engine problems on file — feel free to add yours here. The most common Bonneville engine problems cost $800 to fix & occur at 114,000 miles.
The worst model years for engine problems are the 1998 Bonneville, 1994 Bonneville, and the 2000 Bonneville.
Worst Pontiac Bonneville Engine Problems
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#1: Cracked Intake Manifold Causing Engine Failure 1998 Bonneville
- Average Cost to Fix:
- $1,100
- Average Mileage:
- 95,000 mi
-
#2: Intake Manifold Leak 1998 Bonneville
- Average Cost to Fix:
- $600
- Average Mileage:
- 99,000 mi
-
#3: Cracked Upper Intake Manifold 1997 Bonneville
- Average Cost to Fix:
- $700
- Average Mileage:
- 147,000 mi