[DML] Disabling Lambda

["Richard" <racuti1@xxxxxxxxxxxx>]

Although I'm a fan of keeping things near-stock, my frequency valve has stopped functioning for the second time during my ownership.

The first time, the ECU was at fault, and a fellow owner donated his to me because he'd converted from fuel injection to carburation and his car no longer required the ECU.

I haven't completed my fault isolation yet for today's failure, but if it is the ECU, I'm wondering how to best set the fuel mixture for general fuel economy and performance. I'm really trying to understand why I should buy a 30 year old, decaying computer module that is probably just going to fail soon after purchase.

In it's current condition, the frequency valve is shut, as if it didn't exist, and as if the car didn't have an emission control system. There has to be a way to tune this thing.

In the meantime, I'll run the tests I ran last time to see if it really is the ECU. I look forward to your responses.

Rich A.
#5335



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