Hello -
Have any of you heard of this? :
http://obddiagnostics.com/
It supports 1996 and later cars and interfaces into your PC (Windows *or* DOS). It also has these modes :
MODE 1: On-board test results, Fuel system status, Fuel trims, Engine load, Coolant temperature, Manifold Pressure, Engine Rpm, Vehicle speed, Timing advance, Intake air temperature, Intake air flow rate, Throttle position, Secondary air status, Oxygen sensor voltages.
MODE 2: This mode retrieves certain data that was saved as a "Freeze frame" at the instant the vehicle set a diagnostic trouble code (DTC).
MODE 3: Reports Powertrain diagnostic trouble codes ("P" codes), including manufacturer specific codes which are reported under this mode.
MODE 4: Clears diagnostic trouble codes. It also clears the result of continuously and non-continuously monitored on board test results (modes 5 and 6), as well as freeze frame data.
MODE 5: Reports On board Oxygen sensor test results.
Most vehicles perform background diagnostics on the oxygen sensors and this mode reports the results. Many vehicles use mode 6 instead to report these results.
MODE 6: Reports On board (non-continuously monitored) test results. This mode reports the results of various tests that the vehicle has performed.
MODE 7: Reports On board monitoring results for continuously monitored systems. These are similar to mode 3 trouble codes, but they are set after a single driving cycle. Sometimes they are called "pending" trouble codes.
It appears to be pretty good for the price.
CarloSW2
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