We’ve got answers, give us a call at 800-734-8665 x251. To continue some research by reading 10-15 minutes see below. Ford spark plug blowout repair using a kit over the fender. Most common engines that have the problem are Ford 4.6, 5.4 & 6.8 liter engines, although any engine can have this issue. I just changed out the spark plug wires and spark plugs. Then i went for a test drive right off the bat it felt alot more smoother than before . Hoping that solves the problem. Im planing on servicing my car tomorrow. If something dosen't seem right to you pls let me know but 4 now thanks you guys for the help! Much mahalo.:thumbup: Bad Piston: Aside from a faulty piston ring allowing engine oil to flow to the cylinder and saturating the spark plug, a bad piston can also cause the oil in the spark plug well. Due to excessive heat, the piston may soon start cracking. Such a faulty piston can result in engine misfire, excessive oil combustion, and rattling sounds while the The normal piston to cylinder wall clearance is from .003 to .008 of an inch (it can be less or more depending on engine, components, intended use etc). The piece that broke off would have to be very small and land perfectly for it to be wedged in this small gap. If you want, you could have a mechanic do a compression check on each cylinder. Ford calls that document the Electrical Vacuum Troubleshooting Manual (EVTM). You are going to want to find the page for ignition. When you find that page, you will see that the spark signal originates inside the Powertrain Control Module (PCM). First you need to verify the wiring for the key signals from the PCM all the way to the coil on plug. Then we'll the basics like battery voltage and engine Ground to the ignition control module. After that, we'll test the ignition coil switching signal that the module generates in action. From the results you get you'll be able to pinpoint the no-start problem to one of the following: The spark plug wires. Over time, spark plugs naturally become contaminated. They get dirty and worn, leading to trouble creating the necessary spark to ignite the fuel-air mixture. For this reason, it’s best to replace the spark plugs at the recommended service intervals to avoid trouble. RELATED: 6 Symptoms Of A Bad Spark Plug. 4. Faulty Fuel Injector Diagnosing a clogged injector is not always easy because the symptoms act similar to low compression or an ignition problem, such as a bad ignition coil, a broken spark plug wire, a bad spark plug LhE8Ppm.

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