Re: Running rich

["John Hervey" <dherv10@xxxx>]

Chris, You say there is 12 volts, I assume that is to the FV. But is 
the other side of the FV grounded when your testing. The yellow/red 
wire coming off the RPM relay feeds 12v to the lambda relay coil when 
the car is running. If this is ok then check the 12v coming off 87b 
terminal or red/purple wire coming off the lambda relay going to the 
FV. If you have 12v there then make sure the FV is grounded thru the 
red/brown wire. Jolt it a few times with the voltage and if it 
doesn't run then it's probably bad. Make sure the lambda ECU is 
grounded and remove the connector and put it back.If you get the FV 
to run then let the 02 sensor heat up and depress the full throttle 
switch and see if it changes speed.
If it turnes out that the FV is bad. I will buy it. Hope it turns out 
to be something simple. FV are about $120.00.
John Hervey

--- In dmcnews@xxxxxxxxxxx, "chris" <chris@xxxx> wrote:
> Hi group
> 
> My frequency valve is not buzzing, i have tested the pin 3 on the 
diagnostic plug and direct to the frequency valve using a frequency 
meter and a scope and there is no nice 'square' wave in fact there is 
very little. There is +12v though.
> I was told solonoids are very reliable, but its possible in extreme 
hot and cold that it could cause them to stop working which could 
effect the ECU too. My car was left outside in NJ for around 8 years.
> 
> Also my cat was glowing red, could the frequency valve not working 
cause this?
> 
> Any ideas?
> 
> Thanks
> 
> Chris
> Vin 16327
> 
> 
> [Non-text portions of this message have been removed]