[DML] Re: ACCELERATION PROBLEM

["David Teitelbaum" <jtrealty@xxxxxxxxxxxxx>]

Sounds like a problem in the Lambda control making the mixture too
lean. Get a dwell meter on it and see what is going on. The idle micro
doesn't control the mixture, it turns the idle circuit on and off. The
WOT switch will force the mixture full rich.
David Teitelbaum
vin 10757



--- In dmcnews@xxxxxxxxxxxxxxx, mike clemens <rmclemns@...> wrote:
>
> Josh's car has once again got me stumped.  Here's what is happening:
 Start the car up and it idles right on specs, try to give it gas and
it wants to hesitate and almost quit.  Back off the gas, it goes back
to idle.  As the car warms up, you can get more and more rpm but never
full throttle.  After the car is warmed up to where the fans come on,
the idle hunts up and down, between 650 and 850 rpm.  The car starts
backfiring if you try to go above 5000 rpm.  If you move the throttle
off the microswitch that controls the frequency valve, idle stabilizes
at 950-100 rpm.
> 
> The plugs are new, the idle speed motor is new, the injectors have
been cleaned by JH and are all working.  All vacuum lines have either
been checked or are new, no leaks.
> 
> Any ideas of what might be wrong?
> 
> Mike   TPS   1630
>



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