Lazyeles
Apr 9, 2010, 01:51 PM
I own a 2004 6.0 Diesel HD Pickup. The truck has now tuners or chips and only 30k miles. Truck has minimal power and runs the turbo up to 20-30+ pressures and struggles on hills. Transmission shifts in high rpm ranges and doesn't want to use overdirve till 65mph. Any ideas?