Washed the entire engine and wet the computer box and shut off before i even finished!

Asked by Sep 30, 2017 at 07:02 PM about the 2006 Toyota Hiace

Question type: Maintenance & Repair

Well I was washing the engine while idling
but this time the computer box got wet and
the engine shut down by itself...

3 Answers

28,025

Yeesh. All you can do now is pop the cover off the ecu and dry it out, give it several hours to thoroughly dry. Then check all fuses/relays/fusible links and battery for proper voltage and try to start it. In the future, don't hose down a running engine. Just leave 'em nice and greasy.

3,200

Never wash an engine. Unless you are going to wipe away until it is done. Power washing or spraying an engine is asking for issues. With today's electrical sensors and computers.....

71,775

Always wash your engine when it's COLD and NOT running. Be sure to cover the electronic components with plastic bags or remove them before washing. Things like the alternator, PCM, spark plug wires, ignition coil(s), etc. are water resistant but not waterproof. They don't like to be squirted with a garden hose! Let everything dry out for a day or two and hopefully it will straighten itself out. HTH. -Jim

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