What causes a car to run on too little fuel?
What causes a car to run on too little fuel? Weak fuel pressure caused by a failing fuel pump or clogged fuel filter results in too little fuel being added to the fuel-air mixture entering the engine. This causes a lean running condition in which the mixture has too much air in relation to fuel, which can lead to pre-ignition and backfires through the exhaust. When do you Know Your Car engine is near death? The first indication might be when the rockers start clattering due to lost preload or excessive lash. By this time, quite a bit of metal...