Voices: Studebaker

Self-diagnostics may continue to rely on crowd-sourced intelligence

Taking advantage of the diagnostics will depend on how well they’re engineered, and the experience and collaboration of the technicians who have to interpret them.

By Paul Studebaker
Apr 16, 2019

Our first car with a “check engine” light and a way to interpret it is a 1986 Honda Accord LXi. The top-line LXi came with fuel injection and a system to let the driver know something was amiss (the check engine light) and give the mechanic a hint what it might be. Find the indicator lamp on the electronic control unit (ECU) under the driver’s seat, count the number of flashes (1 to 13) between two-second pauses, and follow the diagnostic tree in the shop manual. It’s always the exhaust gas recirculation (EGR) system, and some fuel system cleaner clears it up for a while.

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