Quote:
Originally Posted by Diesel911
If the vacuum valve that is attached to the ignition switch is going bad what type of symptoms would you expect to have and would it have an effect on the IP shutoff/or not shutting off and would it have an effect on the door locking system?
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In my case the switch started leaking vacuum and would result in the gradual shutdown of the engine as enough vacuum built up in the shut off valve to shut down the fuel rack. I do not think they can fail the other way looking at how it is built. Probably designed as a fail safe.
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