What is the possible causes of engine runs erratically?
What is the possible causes of engine runs erratically? Spark Plugs A rough idling engine can be caused by spark plugs or spark plug wires. A plug that is damaged or installed incorrectly can result in fuel being burned at an inconsistent rate. If the damage is bad enough, you may also notice your engine running rough while driving. What causes a car to lose power on a hill? If the fuel pump is on its way out, it may work intermittently or not at all. A symptom of starving the car for fuel is a car that runs correctly...