Engine Misfires, Car Runs Rough : Part 2
Engine Misfires Car Runs Rough For Part 1 Click The Link Step 12 - If the compression test is okay along with a wet spark plug, the ignition coil needs to be tested. Test Ignition Coil Output Step 13 - Spark plug wires are designed to transfer an electrical charge from the coil to the spark plug, when these cables wear, they can short circuit causing a misfire. Shorted Spark Plug Wires Step 14 - A fuel injector regulates the amount of fuel which is consumed by the engine, if the injector operation has failed the cylinder will misfire. Test Fuel Injector Operation Step 15 - A random misfire is can be associated with broken or dilapidated vacuum hoses or tubes on and around the engine causing a vacuum leak , these hoses are typically connected to the engine intake manifold and supply engine vacuum to various accessories such as the brake system. If an intake gasket fails or a vacuum line that is close to an int...