> -----Original Message-----
> From: Tony
>
> Hello,
>
> I got a new PCM and installed it, the 5v line is now good! fuel pump now
> comes on, everything cycles like normal, EXCEPT I still get the 'No Bus'
> error and NO Gauges work?
>
> and it still don't start...
>
> for those who didn't catch my earlier msgs, the truck had it's Engine
> POWER WASHED, and it would not start after, had No Bus, and after checking
> all sensors found there was no 5v powering any of them...
>
> any other ideas?????
>
> 2000 Quad Cab 4.7L
>
> Thanks in advance for any help!
>
> Tony.
I have a couple ideas but need more info first.
Does the engine turn over normally while trying to start?
Have you checked the battery voltage with a volt meter?
Have you checked the air filter box for standing water?
Have you checked a coil for output voltage while cranking?
Have you checked all engine grounds for clean, dry, tight connections?
FWIW, I have a 2000 Jeep 4.7L and have power washed the engine each of the
eleven years I've owned it with no problems. Can't imagine what was done
wrong on yours. Water "shouldn't" hurt it.
Ray
http://www.dragtruk.com/ENTRIES/20KM1FD2KWBP.html
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