What was the worst problem with a 2004 Pontiac Grand Prix?
What was the worst problem with a 2004 Pontiac Grand Prix? Worst 2004 Pontiac Grand Prix Problems #1: Issues With Starting 2004 Grand Prix Average Cost to Fix: $4,200. Average Mileage: 99,000 mi #2: Engine Failure 2004 Grand Prix Average Cost to Fix: $4,200. Average Mileage: 83,000 mi #3: Blower Motor Will Not Shut Off 2004 Grand Prix Average Cost to Fix: $100. Average Mileage: 83,000 mi What is the trouble code on a Pontiac Grand Prix? One of the most common trouble codes with the Pontiac Grand Prix is the P0446 code. This trouble code references a number that...