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Old 12-29-2008, 11:48 AM
joe_padavano joe_padavano is offline
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You get what you pay for. I own several OBDI and OBDII cars, so I bought an OTC Genysis unit. This does pretty much what the factory testers do, including data capture (to help diagnose intermittent problems) and bi-directional communication (to allow you to run the tests described in the Factory Service Manual). For example, with the Genysis I can individually shut off injectors with the engine running to check for RPM drop. This is the high-tech version of pulling off one plug wire at a time, but without getting knocked on your butt.
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