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 2004 GMC Savana-Cargo has a V6 engine.
The curb weight of the 2004 GMC Savana is 5295 lbs..
The maximum payload of the 2004 GMC Savana is 1905 lbs..
The 2004 GMC Savana runs on regular unleaded.