Re: [DMCForum] Re: Fuel mixture

[Martin Gutkowski <webmaster@xxxxxxxxxxxxxx>]

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)

Martin

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 
>mixture.
>
>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!
>Aaron
>#1506
>  
>

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