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OBD-II PIDs ( On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.
On-board diagnostics. Various views of a "MaxScan OE509" – a fairly typical onboard diagnostics (OBD) scanner, 2015. On-board diagnostics ( OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. In the United States, this capability is a requirement to comply with federal emissions standards to detect failures that ...
The firing order of an internal combustion engine is the sequence of ignition for the cylinders. In a spark ignition (e.g. gasoline/petrol) engine, the firing order corresponds to the order in which the spark plugs are operated. In a diesel engine, the firing order corresponds to the order in which fuel is injected into each cylinder.
Unified Diagnostic Services (UDS) is a diagnostic communication protocol used in electronic control units (ECUs) within automotive electronics, which is specified in the ISO 14229-1. [1] It is derived from ISO 14230-3 and the now obsolete ISO 15765-3 (Diagnostic Communication over Controller Area Network (DoCAN) [2]). 'Unified' in this context ...
Successor. Ecotec engine. Quad 4 is the name of a family of principally DOHC inline four-cylinder engines produced by General Motors ' Oldsmobile division between 1987 and 2002; a single SOHC version was built between 1992 and 1994. Its name was derived from the engine's four-valve, four-cylinder layout. Introduced with a displacement of 2,260 ...
The Volvo Engine Diesel 4 is a four-cylinder engine with 2.0L displacement. It is used by Volvo in certain markets and is the final family of Volvo Cars diesel engines after they announced in 2017 that they would no longer develop diesel engines. [ 3 ]
1939–1945 – 801, 41.8 L supercharged 14-cylinder double row. 1942 – 802, projected 53.7 L supercharged 18-cylinder double row; 18-cylinder version of 801. 803, projected 83.5 L supercharged 28-cylinder 4-row liquid-cooled; essentially two 801s coupled together. 1936–1944 – Bramo 323, 26.8 L supercharged 9-cylinder, inherited when BMW ...
The Volkswagen EA211 engine (EA = development order), also called modular gasoline engine kit, is a family of inline-three and inline-four petrol engines with variable valve timing developed by Volkswagen Group in 2011. [ 1] They all include a four-stroke engine and dual overhead camshaft drive into exhaust manifolds. [ 1]