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Old 07-19-2006, 01:07 AM   #4 (permalink)
Ray O
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Re: 1986 Toyota pickup - sudden idle problems


<jasonamiller@gmail.com> wrote in message
news:1153276201.249451.294500@m79g2000cwm.googlegroups.com...[color=blue]
>I was performing the 90K mile maintenance on my 1986 Toyota pickup, and
> decided to run some Sea Foam through it just to be sure everything was
> clean. I poured about 1/4 of the can slowly into the carburetor of the
> warmed up (and running) engine. It then coughed, backfired through the
> carburetor, blew out smoke and died. It restarted, but since then it
> won't idle at all, but will stay running very roughly if I give it lots
> of gas.
>
> I read somewhere else that Sea Foam can screw up the sparkplugs. So I
> took all of them out and cleaned and inspected them. No change. The
> engine will start but then die immediately unless I give it a lot of
> gas and keep my foot on the pedal. As soon as I let my foot off of the
> pedal, the engine sputters and dies.
>
> Did the Sea Foam cause this? I'm very disgusted, because the engine
> was running fine beforehand. Next time I'll leave well enough alone.
>
> Jason
>[/color]

It sure sounds like either the Sea Foam or your application indirectly
caused the problem. The backfire may have damaged or clogged something in
the carburetor. Look for a small circular window on the side of the
carburetor. The window's "frame" has notches on each side. The fuel level
should be pretty even with the notches. If not, then the float may be
messed up (works like a toilet tank float). It is also possible that the
backfire sent debris that clogged a jet or port.
--

Ray O
(correct punctuation to reply)


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