Re: [DMCForum] Re: Fuel mixture
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Re: [DMCForum] Re: Fuel mixture

That's not the CPR reaching the maximum control pressure as that would
not be an instant change - that's usually the lambda system cutting in.
Hmmmm. This would suggest the switch is working fine... Need to think
some more.

One thing to check - check the frequency valve's small hose goes to the
rearmost port on the metering head (of the three on the right-hand side)


aaron_t_graham wrote:

>By that I mean that the coolant temp reaches 40 degrees, and the
>control pressure regulator no longer compensates for a lean fuel
>I can tell when the temp reaches the 40 degrees mark because the
>difference is night and day -- The engine switches from running "like
>a bag of nails" to running very smoothly in about 1 second.  The
>acceleration is still somewhat jerky (it will speed up or hesitate
>even though my foot doesn't move the pedal), and sometimes it will
>idle high (2500 RPMs) for a few seconds.  (Usually, it's at a stop
>light, with lots of other cars around, the drivers wondering if I'm
>angry at them for some reason.)
>I'll try pressing the full throttle microswitch to see what happens. 
>I'm waiting for it to cool down.
>Thanks for your help!


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