? Care must be taken to avoid bending or breaking off the fine-wire electrodes. i am a car mechanic and your car can do that trip but it will consume more gas and shake a lil, but u can fix that in 5 min just get the wire from autozone for like 20$ and replace it by your self. While most NGK spark plugs are pre-gapped, there are occasions when the gap requires adjustment. Next comes the hex head. Remove the tool and the broken boot. Seriously, spend the 50 bucks or whatever at the parts store and replace the whole set. If it does run rough, you probably can buy a single wire to replace it, or if it seems OK, at least get a new boot if you can. About to make a 475 mile trip. The experienced technician can analyze the spark plug color. Of the three wire types, a fixed resistor wire has the highest fatigue-related failure rate as described under the “Symptoms 1” heading. Grab firmly onto the spark plug wire boot, then twist in either direction and pull off simultaneously. My bro in law's got 320,000 miles on his originals - tested fine a couple years ago at 300k. This component is sometimes referred to as a spark plug coil because it is where the high voltage electricity required to jump the electrode gap of the spark plugs is generated. Also, use dielectric grease on the boots and they'll pop right off in a couple years when you change them again. I am skeered to death to try and pull the other plugs. You are using an out of date browser. RTH: Spark Plug wire broke in half inside engine. I was replacing the spark plugs on my wife's 97 Grand Jeep Cherokee Laredo when I accidently broke one of the wires. Do not drive long distances on a bad wire, it will also effect your fuel mileage. If you have another vehicle, you might be able to rob one wire temporarily for your trip. Worn spark plug wires and boots can start to leak voltage to nearby engine parts, causing arcing and creating performance problems. You need to replace the wire. Use your camera to record the route of each wire and spark plug. What did it cost and what results have you seen? I would say if you need to get where your going before you can replace it , then just put it back together as best as you can and get on down the road and don't look back. Checking the Wires with a Meter or Diagram Locate the spark plug's resistance rating. Fortunately, it's possible to repair damaged threads instead of scrapping the head. Gapping fine-wire spark plugs. In general, an ignition coil is a component that generates spark in an internal combustion engine. A spark plug wire puller makes it easy to pull the boot off. Place the end of the tool over the spark plug and push down over the spark plug. You should inspect your spark plug wires for breaks in the insulation regularly as this can lead to arcing and a weak spark or no spark at all, which ultimately affects your gas mileage. At the end of the straight section of wire there is right angle bend and a short 3/16" section of wire with a sharp edge. If you were pulling on the wire, you may very well have broken the filament in the wire too (along with who knows how many of the others), so even if you tape the boot up and put it all back together, it may still misfire, which is one less cylinder working on your motor. So I ran to the local O'Reilly's and used their diagnostic computer to see what the code was. Upon pulling the spark plug, we can see that the center electrode is melted and fused with the ground (side) electrode. Most people work those hours. You then press the sharp 3/16" section into the wire. As I was pulling on it to remove it, the rubber connector tore and the wire pulled out of the connector. Then remove the old spark plug. That’s why it’s important to select a good quality set of spark plug ignition wires to deliver juice to your spark plugs.. Wanted to put new plugs in and broke a wire in the process. I'm still on my original 93 wires. It may not display this or other websites correctly. i had that happen to me and i used really long needle nose pliers. grrrrrr. If you see sparks arcing from a plug wire to another wire or to any ground point, it's likely a bad wire with broken insulation. Ensure you are able to gain access to the boot of the spark plug wire. to check the electrical integrity of the wire, I guess the best you can do is put it back on and see what happens. Whether you’re seeking replacement wires or aftermarket performance wires, we have everything you need. Can I make the long trip like this and fix it when I get to my destination? Corona stain is completely normal and should not be mistaken for exhaust gas blow-by or a broken seal inside the spark plug. Waste spark ignition systems eliminate the distributor and instead use a coil for each pair of cylinders, however spark plug wires are still used. I was replacing the spark plugs on my wife's 97 Grand Jeep Cherokee Laredo when I accidently broke one of the wires. Well, I went to Sears Hardware and picked up a pack of very long and thin tools that had hooks on the end. While you're there, buy yourself a spark plug wire puller for next time. First locate the spark plug wire which you would like to remove. Has anyone here installed an oil catch can on their vehicle? Replacing spark plugs and wires are part of a tune-up, so if your spark plugs need to be replaced, you should also consider replacing the spark plug wires. Dispelling The Spark Plug Myths. Don't expect a big increase in gas milage with new wires unless you have 200,000 miles on your car or the wires are cut or broken. Auto-ignition could be the reason, maybe your are using high octane gas or add to make hotter the temperature inside the cylinder. Not only that, but it might create a crossfire in your distributor cap and fire on the wrong cylinder. Do not pull the wire portion as you can damage the wire which in turn will require a replacement. It may never happen to you, but if it does, don't panic. Why not replace them? Is it bad to leave your car running while refueling? I then used a shop vac to ensure i sucked out any plastic/rubber bits that might still be in there. You can pull the boot up and re-crimp the terminal to the wire, but they are prbly the original 10 yr old wires with a bunch of miles on them. Check the code for knocking sensor. It may take a little effort but it should easily cut through the fused bond. COP ignitions are the most sophisticated systems. This has happened about 5 times already. Still, this is enough for your ignition system to cause all kinds of engine performance problems, especially during damp weather. what is up with that, concretejungle? Note: Try to avoid direct contact with metal parts of the vehicle when checking for shorts. I bought good, not econo wires and rotor about 4 years ago, and I am very surprised that this has happend. Order Spark Plug Wire Set for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Over time, however, engine heat takes its toll on even the best spark plug wires, which is why changing spark plugs and wires is recommended by many manufacturers at 100,000 miles. Spark plugs will make a differance. Trump to return to White House early from Florida, GOP senator quarantines before key Ga. runoff, Dancer, 'Electric Boogaloo' star Quiñones dead at 65, Report: Player from '85 Bears SB team arrested for murder, Pet food recalled after at least 28 dogs die: FDA, 'Jeopardy!' Looks like I will head to the pliers section of Home Depot, and prepare myself to get comfortable laying on top of the engine. The owners remove all of the plugs, throughly clean the threads and clean out the bores, replace the plugs and plug wires, and the problem goes away. just push the wire back inside. He put in a helicoil and has been having this problem pretty much ever since. How is an EFI to Carburetor generally conversion done? Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Were these wires that broke Toyota wires? Come to find out Cylinder #4 is misfiring. To use the tool, spray the end with some spray lubricant (WD40 works). The original type spark plug connectors on the MGA didn't even have rubber boots. Spark plugs that haven't been changed for a long time can become one with the cylinder head. You can sign in to vote the answer. Why are most auto shops open Monday through Friday from 8-5? I suggest you take it and get it fixed as soon as possible and I do not think it would be a good idea to take it on a long trip it will still run,not exploding or fire or anything,will lost much power,hesitation when accelerating,but very harmful to your catalytic converter,when engine misfired from no spark,the raw fuel will damage the very expensive component of the emission system. He did tell me that before this began happening, the cylinder 2 spark plug blew out of the head. You butt the sparkplug wire against the coil section of the wire connector. For a better experience, please enable JavaScript in your browser before proceeding. It is similar to a spark plug wire but isn’t visible. If they don’t come out with the coil, retrieve them with needle-nose pliers and replace them with new parts. After the plug wire is removed, remove the plug as usual. With the engine running, move the test light along the length of each spark plug wire. 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