More on 'check engine' light

[Al]

My understanding of the algae in fuel system is that you have to
treat it like you did but you will continue to clog filters till you
have passed all the algae thru your filtering system. You should
keep a spare or two on your bus all times since you don't know when
your filter will be completely clogged and leave you on the side of
the road.

Al, Kathy, Alfred & Daniel Johnson
'96 BMC
Mandeville, Louisiana

--- In WanderlodgeForum@yahoogroups.com, "Steve & Kathy Enfinger"
wrote:
>
> Thanks for your suggestions. When the problem started I suspected
fuel
> quality problems ... been holdin' out for lower diesel price for
way
> too long. Fuel drained from Racor revealed chunks of algae ...
changed
> both filters, put in Bio-cide, & $614 of diesel. Still get the
> intermittent 'check engine' light on constantly which causes tach
to be
> inoperative & speed to be resticted to 37 mph. Next time I switch
it on
> the light will function properly & everything works normal.
>
> When the light works correctly & I read the DDEC II codes with
> the 'test engine' switch I get 16, 31, 32, 43, 44, 64, 66, 68, &
85.
> You'd think it was near death ... Cranks up & comes 75 miles
without
> missing a stroke. Next morning all fluids are OK, cranks up & comes
100
> miles to home without any problems. Switch it off & back on
& 'check
> engine' light stays on.
>
> The pattern when giving problems is: Initial turning on ignition -
> 'stop engine' light does NOT come on momentarily but 'check
engine'
> light stays on constantly. Tach doesn't work & speed limited to 37
mph.
>
> re: the question about me being an agronomist ... if I had $$$ I'd
hire
> someone to fix the problem instead of trying to steal ideas from
> you "master mechanics". naaaaa ... I'm in the seed cleaning &
> distribution business. A "tinkerer" also ...
>
> Steve & Kathy Enfinger
> Newton, GA
> '91PT40 WBSA
>