this happened on my car it is prob a vacum leak
Light green, the darker green is the right turn signal.
The 2004 GMC Savana has 12 valves.
The 2004 GMC Savana has a V6 engine.
The 2004 GMC Savana is a gas-powered vehicle.
The 2004 GMC Savana has overhead valves (OHV).
The 2004 GMC Savana has a 4-speed automatic.
The 2004 GMC Savana-Cargo has 12 valves.
The 2004 GMC Savana is 18 ft. 8.1 in. (224.1 in.) long.
The maximum payload of the 2004 GMC Savana is 1905 lbs..
The 2004 GMC Savana's turning circle is 43.4 ft..
The 2004 GMC Savana runs on regular unleaded.
The height of the 2004 GMC Savana is 6 ft. 9.6 in. (81.6 in.).