Questions and Answers

Pontiac Grand Am Check Engine Light Q. My Check Engine and ETS lights not going off when I start the car and leave it running. My fan stays constantly running with the car running, turns off when I shut the car off. About the ETS light, when I turn the key on and wait a minute before trying to start the car, letting everything go through it's checks then I push the ETS Button on the gear shift and the ETS light goes off and stays off until I start the car.

Starting the car I hear at the very first when the car is starting and begin to run a "almost vibration sound" metal buzz" for about a ½-second. We had the car put on an computer diagnostic machine and it did not find anything wrong, no codes came up. What is the next step?

• 1996 Pontiac Grand Am
• 2.4 liter DOHC
• Automatic transmission
• 85,000 miles
• Fuel Injected
• ABS brakes
• P/S, A/C, Cruise control

Thank you for your time.
Steve & Sara

A. Try another scanner! You need a GM TECH 2 scanner. If the MIL is on, there will be codes stored. The ETS light and fan running are most likely a byproduct of the MIL being on. If the coolant sensor goes out the ECM will turn on the fan, a default, so it won't overheat.