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Bosch Iridium Spark Plugs

OReilly Auto Parts
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    • Dorman Products
      Should you use antiseize when installing spark plugs?
      By Dorman Products
      Should you use antiseize when installing spark plugs?
    • Counterman
      Why Do Spark Plugs Get Dirty?
      By Counterman
      Spark plugs are the “canary in the coal mine” of the combustion chamber. The electrodes and porcelain can reveal short- and long-term problems if you know where to look.
      Most OE spark plugs have a life of more than 50,000 miles, thanks to electrodes that contain precious metals like platinum and iridium. OEMs consider the spark plugs a part of the emissions system on most modern vehicles.
      If the plugs fail sooner than the recommended interval, it’s important to solve the problem before installing new plugs. If you’re replacing spark plugs to solve a misfire problem, the car will be back.
      But first, what causes spark plugs to foul quickly? What does a fouled spark plug look like, and what is spark plug fouling?
      Carbon Fouling
      If the spark plugs have a matte black or grey appearance, it could be carbon fouling – something typically caused by a fuel mixture that’s too rich.
      During normal combustion, most of the fuel oxidizes and changes into carbon dioxide and carbon monoxide gas. When there is more fuel than oxygen, the carbon in the unburned fuel polymerizes into carbon deposits. These molecules like to stick to the hot spots in the combustion chamber, and this includes the spark plug’s tip and insulator.
      Curing the problem will typically point to the fuel system and how the engine is breathing. If a fuel injector is clogged or sticking open, extra fuel can cause carbon problems.
      If the mass airflow sensor or oxygen sensors aren‘t accurately reporting the air that’s coming into the engine or the oxygen content in the exhaust stream, it could cause a rich-running condition that can cause carbon to foul the spark plugs.
      Another factor is how the air flows past the valves. If the air is restricted or has to flow past carbon deposits on the intake valves, it will be turbulent and disturb the flame front and fuel-droplet size in the combustion chamber. This means that the fuel injected into the intake port or combustion chamber won’t entirely burn.
      Oil Fouling
      Oil fouling of a spark plug typically results in a shiny, black appearance. If enough oil is in the combustion chamber, the deposits can build up on the tip, porcelain or shell.
      If you can’t determine if it’s carbon or oil fouling, smell the plug; it will smell like engine oil. The oil can come from the piston rings, valve stem seals or the positive crankcase ventilation (PCV) system. Leaking piston rings can be diagnosed with a leak-down test. If one cylinder has oil fouling, a relative compression check can help to assess mechanical issues with that cylinder.
      Malfunctioning PCV systems are becoming a leading cause of oil fouling in modern engines. These systems have become more than just a spring-loaded check valve. Modern systems can separate oil from the crankcase vapors and electronically regulate when the engine ingests the vapors.
      Some PCV systems have a heater to ensure that the valve doesn’t freeze under certain conditions when condensation is present. If the valve does freeze, it can cause higher-than-normal crankcase pressure. This can cause oil to be forced past the valve seals.
      If the PCV valve is stuck open, the excess vapors and oil droplets can quickly foul the spark plugs.
      A failed turbocharger can be another source of spark plug oil fouling. The seals on the turbine shaft are robust, but they can be victims of heat and poor oil quality. The oil that lubricates the shaft can enter into the pressurized intake and eventually the combustion chamber.
      OEMs have issued technical service bulletins concerning excessive oil consumption. Most of these problems relate to cylinder deactivation and variable valve timing (VVT).
      The main culprit in these problems is vacuum generated in the cylinders that sucks engine oil past the rings and into the combustion chamber. On vehicles with cylinder deactivation, the deactivated cylinder has negative pressure and draws oil droplets in the crankcase past the ring and eventually into the converter. This has happened on some GM and Honda engines.
      On some vehicles with VVT (typically on the exhaust and intake cams), the valve timing could produce higher-than-normal vacuum pressures that could suck oil past the rings. This was the case for some recent Toyota, Honda and GM models. The customer would report increased oil consumption that exceeded one quart every1,000 miles.
      Beyond the oil getting past the rings, the oil trapped in the rings can become carbonized and cause damage to the cylinder walls. This can lead to even more damage and more oil consumption. In some cases, the oil consumption results in a low-oil condition that would cause damage to the bearing surfaces.
      Coolant Problems
      Internal coolant leaks can foul a spark plug and cause a misfire. The problem could be a leaking intake manifold or a head gasket, and the fouled plug might be localized to one or two adjacent cylinders. The burned coolant leaves ashy, white deposits on the electrodes and insulator, creating hot spots that could cause pre-ignition and a misfire code to be set.
      When the plug is pulled, it might have a chalky appearance on the ground strap and center electrode. Modern coolants don’t cause this type of buildup quickly, due to the reduction of phosphate, zinc and other additives that can contaminate the catalytic converters.
      In the past, the converter would become clogged and stop the engine before significant damage occurred.
      Unfortunately, formulations mean that drivers can run a vehicle with a coolant leak for several thousand miles, while the plug becomes slowly fouled.
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    • abenleulmi
      Pinout connection ECU car on bench Bosch Delphi Marelli Siemens Motorolla Continental Sagem Denso Visteon
      By abenleulmi
      Guide to Uploading ECU Pinout Connections on a Bench Modern vehicles are equipped with sophisticated Electronic Control Units (ECUs) that manage various aspects of the vehicle's functioning, from engine performance to safety systems. When dealing with complex ECU troubleshooting or tuning tasks, it's often beneficial to work on the ECU outside of the vehicle, commonly referred to as the "bench." This guide will walk you through the process of connecting to your ECU on a bench using different methods like OBD, Bootmode Tricore, JTag, and BDM. Specifically, we will focus on the crucial aspect of pinout connections.
      It is a pinout for this ECU:
      Bosch EDC 7 (DAF Truck)
      Bosch EDC 7 (Iveco Truck)
      Bosch EDC 7 (MAN Truck)
      Bosch EDC 7C1 (Volvo Penta)
      Bosch EDC 17C06 - DDE 70 (BMW)
      Bosch EDC 17C08 (Hyundai)
      Bosch EDC 17C08 (Kia)
      Bosch EDC 17C10 (Citroen)
      Bosch EDC 17C11 (Renault)
      Bosch EDC 17C18 (Chevrolet)
      Bosch EDC 17C18 (Holden)
      Bosch EDC 17C18 (Opel)
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      Bosch EDC 17C19 (Opel)
      Bosch EDC 17C19 (Vauxhall)
      Bosch EDC 17C41 - DDE 721 (BMW)
      Bosch EDC 17C41 - DDE 721 (Mini)
      Bosch EDC 17C42 (Holden)
      Bosch EDC 17C42 (Opel)
      Bosch EDC 17C42 (Vauxhall)
      Bosch EDC 17C46 (Audi)
      Bosch EDC 17C46 (Seat)
      Bosch EDC 17C46 (Skoda)
      Bosch EDC 17C46 (Volkswagen)
      Bosch EDC 17C49 (Alfa Romeo)
      Bosch EDC 17C49 (Fiat)
      Bosch EDC 17C49 (Lancia)
      Bosch EDC 17C54 (Audi)
      Bosch EDC 17C54 (Seat)
      Bosch EDC 17C54 (Skoda)
      Bosch EDC 17C54 (Volkswagen)
      Bosch EDC 17C59 (Opel)
      Bosch EDC 17CP01 (AMG)
      Bosch EDC 17CP01 (Mercedes Benz)
      Bosch EDC 17CP02 - DDE 71 (BMW)
      Bosch EDC 17CP04 (Audi)
      Bosch EDC 17CP04 (Seat)
      Bosch EDC 17CP04 (Skoda)
      Bosch EDC 17CP04 (Vokswagen)
      Bosch EDC 17CP06 (Honda)
      Bosch EDC 17CP07 (Toyota)
      Bosch EDC 17CP09 - DDE 73 (BMW)
      Bosch EDC 17CP10 (AMG)
      Bosch EDC 17CP10 (Mercedes Benz)
      Bosch EDC 17CP11 (Citroen)
      Bosch EDC 17CP11 (Range Rover)
      Bosch EDC 17CP14 (Audi)
      Bosch EDC 17CP14 (Hyundai)
      Bosch EDC 17CP14 (Kia)
      Bosch EDC 17CP14 (Porsche)
      Bosch EDC 17CP14 (Seat)
      Bosch EDC 17CP14 (Skoda)
      Bosch EDC 17CP14 (Volkswagen)
      Bosch EDC 17CP16 (Honda)
      Bosch EDC 17CP20 (Audi)
      Bosch EDC 17CP20 (Seat)
      Bosch EDC 17CP20 (Skoda)
      Bosch EDC 17CP20 (Volkswagen)
      Bosch EDC 17CP22 (Volvo)
      Bosch EDC 17CP24 (Audi)
      Bosch EDC 17CP24 (Seat)
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      Bosch EDC 17CP24 (Volkswagen)
      Bosch EDC 17CP27 (Jeep)
      Bosch EDC 17CP42 (Range Rover)
      Bosch EDC 17CP44 (Audi)
      Bosch EDC 17CP44 (Porsche)
      Bosch EDC 17CP44 (Seat)
      Bosch EDC 17CP44 (Skoda)
      Bosch EDC 17CP44 (Volkswagen)
      Bosch EDC 17CP45 - DDE 731 (Mini)
      Bosch EDC 17CP46 (AMG)
      Bosch EDC 17CP46 (Mercedes Benz)
      Bosch EDC 17CP48 (Volvo)
      Bosch EDC 17CP50 (Honda)
      Bosch EDC 17CP52 (Iveco)
      Bosch EDC 17U01 (Audi)
      Bosch EDC 17U01 (Seat)
      Bosch EDC 17U01 (Skoda)
      Bosch EDC 17U01 (Volkswagen)
      Bosch EDC 17U05 (Audi)
      Bosch EDC 17U05 (Seat)
      Bosch EDC 17U05 (Skoda)
      Bosch EDC 17U05 (Volkswagen)
      Bosch M 1.5.5 (Alfa Romeo)
      Bosch M 5.2 (BMW)
      Bosch M 5.2.1 (BMW)
      Bosch ME 1.5.5 (Holden)
      Bosch ME 1.5.5 (Opel)
      Bosch ME 1.5.5 (Vauxhall)
      Bosch ME 2.0 (AMG)
      Bosch ME 2.0 (Mercedes Benz)
      Bosch ME 2.1 (Alfa Romeo)
      Bosch ME 2.1 (AMG)
      Bosch ME 2.1 (Fiat)
      Bosch ME 2.1 (Lancia)
      Bosch ME 2.1 (Mercedes Benz)
      Bosch ME 2.7 (Maybach)
      Bosch ME 2.7 (Mercedes Benz)
      Bosch ME 2.7.1 (AMG)
      Bosch ME 2.7.1 (Mercedes Benz)
      Bosch ME 2.7.2 (AMG)
      Bosch ME 2.7.2 (Mercedes Benz)
      Bosch ME 2.8 (AMG)
      Bosch ME 2.8 (Mc Laren)
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      Bosch ME 2.8.1 (Jeep)
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      Continental SID 208 (Land Rover)
      Continental SID 807 EVO (Citroen)
      Continental SID 807 EVO (Ford)
      Continental SID 807 EVO (Peugeot)
      Continental SID 807 EVO (Renault)
      Continental SID 807 EVO (Volvo)
      Denso DEC 30 (Holden)
      Denso DEC 30 (Opel)
      Denso DEC 30 (Vauxhall)
      Sagem 2000 (Citroen)
      Sagem 2000 (Peugeot)
      Sagem 2000 (Renault)
      Sagem 3000 (Citroen)
      Sagem 3000 (Renault)
      Visteon DCU 101 (Ford)
      Visteon DCU 102 (Citroen)
      Visteon DCU 102 (Ford)
      Visteon DCU 102 (Peugeot)
      Visteon DCU 104 (Ford)
      Visteon DCU 106 (Land Rover)
      Visteon DCU 204 (Ford)
      Delphi (Ford)
      Delphi (Isuzu)
      Delphi (Ssang Young)
      Delphi 21.06 (Mercedes Benz)
      Delphi 50.05 (Mercedes Benz)
      Delphi 50.06 (Mercedes Benz)
      Delphi DCM 1.2 (Citroen)
      Delphi DCM 1.2 (Dacia)
      Delphi DCM 1.2 (Peugeot)
      Delphi DCM 1.2 (Renault)
      Delphi DDCR CR-U (Hyundai)
      Delphi DDCR CR-U (Kia)
      Delphi HSFI 2.1 (Holden)
      Delphi HSFI 2.1 (Opel)
      Delphi HSFI 2.1 (Vauxhall)
      Delphi HSFI 2.4 (Holden)
      Delphi HSFI 2.4 (Opel)
      Delphi HSFI 2.4 (Vauxhall)
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      Delphi HSFI C (Vauxhall)
      Delphi LJ604 (DAF Truck)
      Magneti Marelli IAW 4AV (Volkswagen)
      Magneti Marelli IAW 4CV (Volkswagen)
      Magneti Marelli IAW 4LV (Volkswagen)
      Magneti Marelli IAW 6LPB (Peugeot)
      Magneti Marelli MJD 6J0 (Fiat)
      EFI CAMPI 0xS (Lamborghini)
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      GMPT Tronic 5 (Saab)
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      Motorola S 6 (Scania)
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    • Counterman
      Niterra Adds More Coverage for Spark Plugs, Ignition Coils
      By Counterman
      Niterra North America, formerly NGK Spark Plugs (U.S.A.), announced that it is expanding its coverage of spark plugs and ignition coils and adding 15 new part numbers to its line of spark plugs.
      The new part numbers, sold under the company’s NGK brand of spark plugs, represent an increase in coverage for more than 6.5 million domestic and foreign vehicles in operation (VIO). Niterra also has added 12.9 million VIO of spark plug coverage and 10.6 million VIO of ignition-coil carry-forward coverage to its catalog. 
      “The 15 new spark plug numbers fit a variety of 2012-2021 model vehicles across a broad spectrum of high-volume applications, many of them utilizing high-ignitability and precious metal technology designs,” said Mark Boyle, general manager – product OE & AM for Niterra North America. “NGK Spark Plugs is committed to application-coverage leadership and supplying service providers with our latest OEM technology, and we are excited to extend our category-leading spark plug designs and ignition-coil technologies into the aftermarket through these applications.”  
      For more details about Niterra and the NGK spark plug and NTK product brands, visit 
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    • A-premium Auto Parts:5% OFF with Code GM5.
    • RockAuto
      RockAuto Promo - ACDelco Spark Plugs
      By RockAuto
      Get up to $48 back with purchase of select ACDelco Spark Plugs!View on RockAuto.com

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