A check engine light is always caused by the same thing; the computer has detected a fault (some kind of problem) and is instructing you to connect a code scanner to read the code. That's the only way to know WHAT the computer is trying to tell you.
The 2006 GMC Savana has a V6 engine.
The 2006 GMC Savana-Cargo has a V6 engine.
The 2006 GMC Savana has a 4.3 L base engine size.
The 2006 GMC Savana's engine produces 195 hp @ 4600 rpm.
The 2006 GMC Savana's engine produces 260 ft-lbs. @ 2800 rpm.
The 2006 GMC Savana-Cargo has a 4.3 L base engine size.
The 2006 GMC Savana-Cargo's engine produces 195 hp @ 4600 rpm.
The 2006 GMC Savana-Cargo's engine produces 260 ft-lbs. @ 2800 rpm.
On the bottom of the engine mounted on the oil pan.
The 2006 GMC Savana has 12 valves.
The 2006 GMC Savana has a 4-speed automatic.
The 2006 GMC Savana is a gas-powered vehicle.