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Wouldn't start 900 1993

posted by  B.B. on  Fri Jun 9 11:40 CST 2023
Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
last visit: Mon Oct 6 13:15 CST 2014
[RELATED]

Hi ?

It cranked fine but it acted like the ignition was shut down.
Just rebooting the ECU (s) got it working.
I goofed by not checking OBD codes to see if the ECU reported why it quit.

This problem smacks of ECU corruption.
The good news was I didn't need a tow home, with the ECU reset.
The Bad news is how do you pinpoint the exact cause of the problem?

When I recover from my shoulder replacement I'll replace the geriatric
electrolytic caps in the ECUs and service the connectors.

I think I'll keep my harbor freight ATC fuse current tester in the car
and if this fault repeats I'll check fuse 1 & 11 to see if the pumps are
drawing current. I'll try to get more info about the fault.

Bill











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