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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 .
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 may increase the ...
1928–1936 Chevrolet Stovebolt. 1928–1950 Oldsmobile F-Series (also used in Buick Marquette) 1928–1954 Pontiac GMR (also modified for GMC trucks) 1930–1966 Opel inline-6 (as used in the Opel Kapitän) 1936–1962 Chevrolet Blue Flame inline-6 (also used in some GMC trucks) 1939–1962 GMC inline-6. 1948–1962 Holden Grey.
The Chevrolet small-block engine is a series of gasoline -powered V8 automobile engines, produced by the Chevrolet division of General Motors between 1954 and 2003, using the same basic engine block. Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the small-block family spanned ...
General Motors GMT platform. GMT ( General Motors Truck) is a nomenclature used by General Motors to designate multiple vehicle platforms. In use since the early 1980s, the GMT nomenclature is used for light trucks, full-size SUVs, and vans, along with several medium-duty trucks. With only a few exceptions, nearly all GMT vehicles use body-on ...
ALDL. ALDL 12 pins connector - front view. Assembly Line Diagnostic Link, Assembly Line Data Link, or ALDL is a proprietary on-board diagnostics system developed by General Motors before the standardization of OBD-2. It was previously called Assembly Line Communications Link or ALCL. The two terms are used interchangeably.
A check engine light or malfunction indicator lamp ( MIL ), is a tell-tale that a computerized engine-management system used to indicate a malfunction or problem with the vehicle ranging from minor (such as a loose gas cap) to serious (worn spark plugs, engine problems or a faulty oil valve, etc.). Found on the instrument panel of most ...
The General Motors LS-based small-block engines are a family of V8 and V6 engines designed and manufactured by American automotive company General Motors.First introduced in 1997, the family is a continuation of the earlier first- and second-generation Chevrolet small-block engine, of which over 100 million have been produced altogether, [5] and is also considered to be one of the most popular ...