PONTIAC ENGINE LOW POWER

Supercharged 3.8 Cu. Runs Good Most Of The Time. When I Give It A Good Amount Of Throttle, Not Wot, Sometimes It Bucks Hard While Losing...

The Engine Runs Fine When Cold But Once It Reaches Operating Temperature The Gauge Goes Erratic, And The Engine Loses Power. Fans Work And...

2002 Pontiac Grand Am, 3400 V6. Aside From Basic Maintenance And A Blown Head Gasket 60,000 Miles Ago The Car Has Been Great. In The Past 6...