It looks like the previous owner tried to troubleshoot it because that particular cylinder is the only one that doesn't have a motorcraft coil pack. The engine might need to be checked for vacuum leaks. What causes the P0306 code? Once this happens the boot that is around the spark plug and attaches to the coil will swell. P0351 means a misfire on cylinder 1. Does anybody have any experience with ignition wiring issues on the v6 escape or does it seem like I'm going in the right direction? Or, switch coils like you said. At first I changed the spark plug and the whole coil pack.
Next, have you tried disconnecting the battery overnight? When putting the boot back on the coil, put dielectric grease on the opening where the spring slides back in. Hope you don't have an issue with the head, such as blow-by past the spark plug. Seen it happen several times not saying you, but previous owner possibly where people change the plug while the heads are hot, and mess up the threads, ect. Next, have you tried disconnecting the battery overnight? If you do see 12 volts, swap the coil with a different cylinder and check for misfire again. Its not looking very optimistic at this point. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result.
Also sometimes after stopping at a stop sign, the vehicle takes a second or two and goes really slow till the engine catches up, then revs up and jumps quickly to catch up to the gas pedal being down. If you have this engine with coil on plugs, I would suggest just swapping only the coil to another cylinder and then see if your misfire moves with it. They are relatively vertical on the engine and the spark plug hole can actually hold water in it. Often a bad mass air flow sensor causes the engine to run lean causing random misfire. I know a few people that put on a single Accel and still had issues until they changed all 6 to same brand. Cylinder 4 Misfire Detected P0357. It depends on the cause.
The term 'tune-up' usually means changing the spark plugs, ignition wires, distributor cap and rotor, and possibly replacing air and fuel filters. What this means is the coil sits directly on top of the plug. That fixed mine a couple times when I was having issues. I even switched the 4 and 5 coil packs around to see if it would change. Either way works But melted on. May 11, 2012 Check the coil, a good test is to change the coil with another cylinder and see if the misfire moves to that cylinder, if it moves then you will know its the coil make sure to mark it so you know which one to replace, this is very common for coils to go bad, heres a diagram to help you locate 4 cylinder. The Ford name, trademarks, designs, logos, and all Ford division, affiliate, and model names are registered trademarks of Ford Motor Company and its divisions and affiliates.
So far I've changed the 4 coil pack, motorcraft platinum spark plugs, felpro upper and lower intake manifold gaskets, purolator pcv valve, added seafoam fuel injector cleaner, and changed some rubber vacuum tube on the pcv valve that seemed a little loose and old. This would indicate a bad coil. Once the problem is repaired or no longer detected, the misfiring code will clear itself after some driving. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Once this begins to swell it can cause the coil and plug to arc and it causes a misfire. I know a few people that put on a single Accel and still had issues until they changed all 6 to same brand. The coil harness plugs are all clean; in fact it looks like the previous owner might have had the coil harness plug replaced on cylinder 4 because it looks identical except the markings on the harness aren't the same as the other 5 are and it looks to be newer.
So far I've changed the 4 coil pack, motorcraft platinum spark plugs, felpro upper and lower intake manifold gaskets, purolator pcv valve, added seafoam fuel injector cleaner, and changed some rubber vacuum tube on the pcv valve that seemed a little loose and old. I'm starting to wonder if its one of the harness connections or the 2 wires leading from the coil pack. All other company, product, or service name references on this site are used for identification purposes only, and are trademarks of their respective owners. If you get 12 volts on that wire, move your digital meter to the ground wire for that coil. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video.
Pressure-testing the cooling system might help identify a leaking head gasket. I swapped 4 and 5 coil and reset the check engine light. Did you just change the coil, or use a whole new with boot + spring? Crankshaft position sensor Knock sensor Manifold absolute pressure sensor. After all of that, I don't even notice a difference in it's performance. So it definitely is not the coil. Just ship it here: South Main Auto Repair 47 S.
However, coolant due to a leaking head gasket and oil in the combustion chamber that get expelled to the converter are the fluids that can clog the converter. Posted on Sep 26, 2010 Your an 2005 Ford Escape 3. After all of that, I don't even notice a difference in it's performance. If it stays in the same cylinder then the boot, plug, or another issue is causing your misfire, but at least you know it is not the coil. A tune up needs to be done at least every 60,000 miles anyway.