Truck Parts & Accessories Premium Forum Memberships More . In a coil-on-plug ignition system, if only one coil fails, you need only replace the faulty coil. Page 1 of 4: How to Test the COP Coils (GM 4.8L, 5.3L, 6.0L, 8.1L). P0302 is certainly a cause for concern, and can be a threat to the drivability the Chevy Silverado. If your coil packs are working, most likely the only thing you should replace is the boots or spark plug wires. Get Yours Today! More. Circuit Descriptions of the C-O-P Ignition Coil Connector. I have a 2005 Chevy Silverado 1500 5.3 liter gas crew cab. 8 Packs 12611424 Ignition Coil Pack Compatible with Chevy Cadillac GMC Pontiac 5.3L 6.0L V8 Engine G8 Grand Prix H3 Tahoe Yukon Silverado Impala Replace # 12570616 12619161 8125706160 33-1192 4.6 out of 5 stars 190. Individual ignition coil replacement is only necessary if the engine starts to skip or misfire. Replace your faulty ignition coil and restore performance and driveability on your vehicle. Labor charges depend on the engine design. In systems with the coil located in the distributor, it may be more cost-effective to replace the entire distributor rather than remove and replace just the coil. However, before you replace the ignition wires, coils or coil pack in your car or truck, it is important to do a thorough inspection of the ignition system, including the spark plugs. In this video we're going to replace an ignition coil on this 2002 GMC Sierra with a 6 liter Vortec V8. The individual coil prices have dropped recently but there is still no need to replace them unless there's signs of the above trouble. Use Code: DEC20 . Once your ignition wires start to wear out, it is much more difficult to deliver a good spark from the distributor or coil pack. Step by step guide on how to test an automotive engine's ignition coil and trigger, this article pertains to most ignition coil systems. Seals were hard. (About to do a tune up, so wonderingwhether to also replace the coils packs). I am also attaching a picture of the plugs. I was trying to find out what the best battery is to start. STANDARD MOTOR PRODUCTS {Click Info Button for Alternate/OEM Part Numbers} Blue Streak . No. How to Test an Ignition Coil on a Modern Car: 6 Different Methods . A repair shop may charge $60-$110 labor to replace spark plugs in a regular 4-cylinder engine, which is a fairly simple job. You must replace shocks and struts more often than coil springs, but inspect the springs when you replace … The wires are a crucial part of the system. I have to replace #3 cylinder coil pack and the original coil packs have the brown boots(8l3e). The truth is, most coil packs are designed to last as long as the vehicle. The article discusses whether you should replace ignition coil with spark plugs: Why Ignition Coil Fail? it had been running a little rough and sputtering at times and also cut out at times. P0302 is a relatively common Chevy Silverado trouble code. What tools do I need? By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Rough idling, reduced MPG, and weakened acceleration are common signs of worn-out coils, and problems with these parts can cause a Check Engine Light or starting trouble too. One coil pack #5 was flooded by engine oil by leaking at the valve cover seal but did not cause a code. Heavy Duty . How often should I change coil packs on 2004 suburban 1500 v8 5.3 - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. ! Clubs Gallery Store. There are a few that do require being replaced at the same time as the boots and/or spark plugs. If you are replacing the coils, you don't need to be particularly careful on removal. I used the same ratchet and extension, fit everything, all 8 plugs/packs, air box, drivers side bracket. Do's and Don'ts and Precautions. ACDELCO . Guidelines Staff Calendar Leaderboard Online Users More . Unlike with old distributor systems, the COP (coil-on-plug) ignition on a new Silverado makes it almost impossible to mix up the wires, so you don't have to do them one at a time anymore. Inspect and test all other components of the battery and ignition system before going to … Do not, however, automatically assume an ignition coil is the problem. Thanks for any insight or feedback!!! Asked by C_ruff27 Mar 14, 2018 at 04:39 PM about the 2003 Chevrolet Silverado 1500 Extended Cab 4WD Question type: Maintenance & Repair Ok I have a 2003 Chevy 1500 4x4 and I have changed all 8 coil packs plugs and wires but still pops code for a misfire could someone please help me out and tell me what it could be please I have a 02 Chevy silverado 4.3 vortec It had a multi misfire fixed that after 3 coil packs, 4 sets plug wires, and 2 distibuter caps, all of which was arching, drove 2 days whith a … I am attaching a picture for reference. The problem is, there are many issues besides a bad coil that can cause a misfire. There can also be moisture buildup due to leaking engine oil and other fluids on the coil windings which can reduce their lifespan. #4 and #8 cops have the black boots (3l3e). It took me about 45 minutes to replace all eight plugs and packs, less time than it'd take me to get to a shop. The 02 has square ignition coils and the other has round ones. Symptoms of a BAD GM Coil-on-Plug (COP) Ignition Coil. Jun 5, 2020 at 11:16 PM #2 The coil pack for those two plugs was very discolored. Are they interchangeable and if so is one better. I am wanting get some better gas milage so, since I already have a K&N intake and Flowmaster exhaust, I was thinking of upgrading the ignition system. Coil pack question 16 Answers. How much does it cost to replace spark plugs? However, if they are okay, you should consider checking on the secondary winding. All it took was a 10mm and 16mm socket. Over time the factory ignition coil packs can fail leading to poor gas mileage, hesitation, and a check engine light (CEL). 20% … They are subject to high heat that can damage them. Square Coil. Would I get better MPG and/or performance from fresh coil packs? ... Chevrolet Silverado 2013-Present: How to Replace Spark Plugs . Hi all, I have an o2 Silverado with the 5.3 and a 03 trailblazer also with the 5.3. 20% off orders over $120* + Free Ground Shipping** Online Ship-To-Home Items Only. After installing everything back in place, start the engine and go for a test drive. I just changed the plugs again for the 3rd time at 188,000 miles. Get a free detailed estimate for a repair in your area. Another popular item on the suspension market is coil-over shocks. We have the best products at the right price. It is a coil pack engine with 3 coils and a wasted spark design, meaning each coil fires 2 cylinders at a time. Conventional spark plugs are not very expensive ($6-10 per spark plug). $86.79: $0.00: $86.79: Alternate: Quantity: Add to Cart. Ignition coil generally lasts up to 100,000 miles or more. How to replace a pick-up coil on a 1990 chevy silverado 1500 5.7l 2 wheel drive Started it up, backed out of a parking spot at work, and it suddenly died, no sputtering, just strait up died. Activity. Now they are small, complicated (ICs built into them) expensive and somewhat fragile components. Codes disappeared. 2019-2020 Silverado & Sierra 1500 2020 Silverado HD & Sierra HD 2014-2018 Silverado & Sierra (K2XX) 1999-2013 Silverado & Sierra (GMT-800/900) 2015-2018 Colorado & Canyon More . Engine now runs better than ever (only owned for 1 1/2 years, since 172k miles). An interesting thing I noticed was the left side of the engine, fired on the positive side of the coil, were all worn on the platinum tips. Platinum or iridium spark plugs cost more ($15-40 each). A Chevrolet Silverado 1500 Ignition Coil Replacement costs between $169 and $235 on average. It stands for: P0302: Misfire Detected Cylinder 2. The ignition coil packs can be easily located inside the engine bay usually plugged on each side of the engine once the engine cover is removed. Remaining functioning coils can be left in place. ROUND COIL or Engine VIN B; Engine VIN T; STAMPED 19005218, DELPHI, ROUND COIL. I will let you figure out which coil packs and plugs were the lose ones My question is should I replace the coil packs or is the discoloration just cosmetic? I use the trailblazer as parts for my truck. 2000 Chevy Silverado Changing The Heater Coil How Do I Change Out The Heater Coil And Do I Need To Pull The Whole Dash? Coils are not the large rugged simple things they once were. … When this happens, generally speaking the "check engine" light will flash on. If the plugs reach the point of wear and they start to misfire, they can damage the coil packs. Professionals often use the term coil pack to describe any type of modern ignition coil. Replaced all coil packs with chinese made. Your 2000 Chevy Silverado truck will experience major problems starting up if even one of its ignition coils is not working properly. This procedure is the same for most of the 4.8, 5.3, and 6.0 liter Vortecs in the trucks as well as the SUV's, very simple, only tool you'll need is a 7 mm socket with a ratchet and extension. Replace the plugs, but keep the wires. That’s why it’s helpful to know how to test an ignition coil and determine whether it’s faulty. Like a strut, the coil wraps around the shock, but it does not generally bolt to the steering knuckle like a strut does. Equip cars, trucks & SUVs with 2006 Chevrolet Silverado 1500 Ignition Coil from AutoZone. $98.99. Each 2012 Chevy Silverado 1500 ignition coil transforms low battery voltage into thousands of volts to activate the spark plugs and start combustion. Replacement Ignition Coil Pack Set of 8 (Round Type) - The ignition coils or ignition coil plug provides spark for your engine. Step 1 – Remove the coil packs. 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