3/28/2023 0 Comments Pre gapped spark plugs![]() ![]() l4 GAS DOHC Naturally Aspiratedġ.6L 1599CC l4 GAS DOHC Naturally AspiratedĢ.0L 1975CC l4 GAS DOHC Naturally Aspiratedġ. ![]() Let our technicians help you at Autolite Answers(SM).This part is compatible with 802 vehicle(s) Notesġ.5L 1498CC 91Cu. Shiny black or oily deposits are an indication of bad oil seals and/or piston rings, and are not an indication that the spark plugs are at fault. Autolite Iridium XP Spark Plug - XP3923 Part : XP3923 Line: ATO 4.5 (14) Select a store to see pricing & availability or search by City & State or Zip: Find Material Grade: Iridium Hex Size (in): 5/8 Inch Hex Size (mm): 16mm Compare Autolite Iridium XP Spark Plug - XP3924 Part : XP3924 Line: ATO 4. If black sooty deposits are present, a too rich fuel mixture is likely, or the spark plugs' heat range may be too cold for the application. If everything is very white, with glazed deposits on the insulator tip, the spark plug is too hot for the engine, or at least for the conditions for which it was used. ![]() Light tan or gray deposits are normal, and an indication that everything is working well. If you have access to an Autolite® Master Catalog, you will find a series of pictures on the inside back cover to compare your spark plugs to. Look at the firing tip of your spark plugs while paying close attention to the condition and color of the ceramic insulator and the metal electrodes (known as the center wire and ground wire). Autolite Iridium XP spark plugs offer the same platinum ground electrode enhancement with the added benefit of fine wire iridium on the center electrode. With the extended life of the Autolite® Double Platinum spark plug, vehicle owners won’t have to incur the labor costs of changing their spark plugs as often since these plugs last 2 to 3 times longer. So when the DIS ignition system fires, the platinum on both tips of the electrode ensures the plug tip does not wear down AND maintains the gap thereby extending the life of the plug. The Autolite® Double Platinum spark plug, which features platinum on both tips of the electrode is designed to withstand the added requirements of a DIS system. With the evolution of DIS, because spark plugs in a DIS system fire in a looped system rather than a single spark for those in a conventional system, the spark plug is required to be stronger and more robust. Autolite Answers 85ĭistributorless Ignition System (DIS) is different from standard electronic ignition systems in that the voltage surges from the coil passes through the plug wire to the plug. ![]() If you have any questions regarding your Autolite spark plugs, call Autolite Answers(SM) to consult with one of our technicians. After final assembly, visually look to make sure all wires are properly routed so that they are not lying on the hot manifold or in the way of other objects that can cause damage.If the exposed part of the plug and boot are covered in oil, be sure to repair the oil leak to help extend plug and wire life.Look at the old spark plug tips to see if the engine has a problem that needs correcting.If having a hard time installing plugs, installers should use a piece of hose to extend their reach.It will give you a more accurate reading and will also help extend the life of the spark plug. When gapping new plugs, use a round feeler gauge.This helps prevent any debris from falling into the cylinder and causing engine damage. Before removing the old spark plugs, clean debris from the side of the plug area by using air pressure (use a shop vacuum).This helps break the boots loose without tearing. If spark plugs are gapped too wide, the ignition spark loses some of its strength as it crosses the spark plug gaps. Rotate the spark plug boots 90-180 degrees before attempting to pull them off.Always be sure the engine is cool before beginning and gather all essential tools and products needed for the change, including replacement plugs, like Autolite® Double Platinum spark plugs, and mechanics gloves.It is good maintenance procedure to change all the plugs simultaneously. The Autolite® brand recommends that do-it-yourselfers follow manufacturer's recommendations on spark plug change intervals.It is recommended that you follow the instructions listed in the vehicle service manual or as instructed by your local vehicle dealer or a reputable mechanic for specific spark plug service and replacement. Spark plug installation may require the removal of engine components and may require that specific vehicle manufacturer procedures be followed to ensure proper service and safety. Buy on Amazon: 6: LIUYE Triple Electrode A7TC Spark 8.50. Buy on Amazon: 5: E3 Spark Plugs E3.111 Premium 9.05. Buy on Amazon: 4: JDMSPEED High Performance Spark Plug 9.90. As a spark plug manufacturer and not an automobile service facility, professional liabilities prevent us from providing instruction on specific spark plug removal and installation. Buy on Amazon: 3: NGK 6441 ZFR6FIX-11 Iridium IX 9.40. ![]()
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