1995 Chevrolet Cavalier Owner's Manual - Page 126

These following conditions also may cause the CHECK on: ENGINE light to come Low Fuel/Out of Fuel: As the vehicle starts to run out of fuel, the CHECK ENGINE lightmay come on as a result of an engine misfire. Filling your fuel tank should correct this condition. Make sure to install the gas cap fully. It will require a few driving trips to turn the light off. 0 Passlock Warning Light This light will come on when you turn the key towards the START position. The light will stay on until the vehicle starts. THEFT SYSTEM Poor Quality Fuel: Be sure to fuel your vehicle with quality fuel. Your engine may not run efficiently on poor fuel. Poor fuel may cause stalling, hesitation or misfire. These conditions may go away when the engine is warmed-up. However, poor quality fuel may cause the CHECK ENGINE light to come on. Have a dealer check the vehicle. If no problems are found, you may want to change to another brand of fuel. If the light flashes, the Passlock system has entered a tamper mode. If the vehicle fails to start, see "Passlock" in the Index. 0 Driving Through Standing Water: Driving your vehicle through puddles of deep standing water may result in a temporary misfire condition. This condition will usually correct itself shortly after the electrical system dries out. i t will require a few driving trips to turn the light off. If the light comes on continuously while drivingand stays on, there may be a problem with the Passlock system. Your vehicle will not be protected by Passlock, and you should see your dealer. 2-70