Question about 1988 Pontiac 6000 Wagon
The speedo was going crazy so I replaced the vss, but it still is not working. Do I need to reset the ECU?
Probably wasn't the VSS to begin with and resetting the ECM won't help the speedo . 80% of all vehicle electronic issues can be tracked back to wiring and or connections. You need some diagnostic skills here, a few cheap tools like a DVOM and test light, and a wiring diagram. You have to test each circuit (wire) from one end to the other. Auto supply stores will hook up their scanner and tell people "Oh, you got a problem with ______." Their job is selling parts. Sure the scanner sees a problem with the VSS but it can't tell if it's the sensor, a wire, a poor connection, or the speedo itself.
Posted on Jan 01, 2014
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Posted on Jan 02, 2017
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