your timing marks are incorrect the timing is off. You'll need to reinstall the timing chian with the right timing marks ask a professional for assistance.
What causes a 1998 Pontiac transport to run hot and engine shuts off
The LS3 engine was offered to three different types of vehicles, the Pontiac GTO, Chevrolet Corvette and the Chevrolet SSR. About 1998 is when they started installing these motors.
What causes a 1997 Pontiac sunfire gt with a 2.4 liter engine to stall when stopped at a light
put on a new PCV valve.
One of the possible causes of a Pontiac Bonneville to jerk during acceleration is that the car needs a tune up. The engine misfiring can lead it to jerk as you accelerate.
Reduced engine power, on your 2005 Pontiac Montana, can because by several things. The most common cause of reduced power is a lack of fuel.
probably a bad camshaft sensor.
i think the GTO has the LS2 6.2 That depends on what your idea of a Pontiac engine is. The "New" Pontiac GTO was available with the 6.0 engine. If you are talking about a traditional Pontiac engine, the largest factory offered engine is the 455 from 1970-1976.
The Pontiac 2.4 liter engine, is not and interference engine. The Pontiac interference engines are all larger than 3.0 liters.
"http://wiki.answers.com/Q/What_causes_your_2006_pontiac_grand_prix_driver_info_center_to_display_reduced_engine_power"
the 2002 Pontiac Montana came with a 3.4L engine.
You could be having a problem with your spark plugs and your dashboard is alerting you. You should have a mechanic check it out.