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Unread 07-07-2013, 04:07 PM   #1
bozie
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Join Date: Jul 2013
Location: edgartown, ma
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car was guy washed my liberty engine and>>>>

now it wont start, battery is fine, lights etc, but absolutely nothing happens when turn the key, is the on board computer fried? if so what to do, or any other options???

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Unread 07-07-2013, 04:14 PM   #2
FireMedic82
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Maybe he didn't cover the distributor before soaking the motor down. Not sure, but I know that's always been a classic screw-up when washing down an engine.
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Unread 07-07-2013, 09:15 PM   #3
jbarthol
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Check the fuses for anything blown. If any are, this can point you to the areas that you need to look at. Getting the computer, alternator, and battery wet tend to be problem areas for most here. Hence, why most of us do this ourselves, and normally avoid or bag those three up when washing. Check for any connections that may have been knocked loose, especially if high pressure water was used. High pressure water on engines is a bad idea. But there are a lot of videos on YouTube of people doing this, so no surprise if they did that. The high pressure can force water past seals, that can handle rain and light fording; but end up putting water in places it shouldn't be.
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Unread 07-07-2013, 10:36 PM   #4
tommudd
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Quote:
Originally Posted by FireMedic82 View Post
Maybe he didn't cover the distributor before soaking the motor down.

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Unread 07-07-2013, 10:48 PM   #5
blackvyper
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Quote:
Originally Posted by FireMedic82 View Post
Maybe he didn't cover the distributor before soaking the motor down. Not sure, but I know that's always been a classic screw-up when washing down an engine.
The KJ doesn't have a distributor. Each cylinder has its own coil pack.
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Unread 07-07-2013, 11:01 PM   #6
FireMedic82
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Quote:
Originally Posted by blackvyper View Post
The KJ doesn't have a distributor. Each cylinder has its own coil pack.
Ahh, good call Also, I didn't pay attention. The post says nothing happens at all, that would cancel out the distributor being the culprit also. Sounds like the jbarthol's post is more on track with there being no power at all.
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Unread 07-08-2013, 01:54 AM   #7
Billwill
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Disconnect the battery and the connectors on the PCM/TCM and use a hairdryer to dry those connectors out as well as other electrical points in the engine bay.

Re-connect everything and see what happens.....also check all fuses under the hood and inside the cabin.

The PCM has very little to do with the starter being energized when the ignition key is turned....turning the key provides +12 volts to the top end of the Starter Relay (via fuse 8 under hood), the bottom end of the starter relay goes to ground by either the transmission being in Park or the transfer case being in Neutral.

If you remove the Starter Relay and jumper pins 30 and 87 in the relay socket the engine should turn over as you are now bypassing the ignition switch, the Starter relay and the transmission interlocks...the engine may or start or may not start...this is where the PCM comes into play...make sure you are in "park" when doing this.

If the engine does not turn over by jumping the relay as stated then either the fuse is blown or the ignition switch has the classic "Ignition Actuator Pin Broken" fault which may by coincidence have happened at the same time. This means removing the ignition switch off of the rear of the ignition cylinder actuator and try turning the ignition switch with a small flat screwdriver to see if the engine now turns over.


What year/model is your KJ?
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