[DML] Re: Disabling Lambda- Resolved
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[DML] Re: Disabling Lambda- Resolved



Just thought I'd post a resolution to this problem for the big "database".

There is nothing wrong with my ECU or frequency valve. The system simply appeared to be out of adjustment, so the valve was not being activated or was operating at a frequency that I couldn't hear over the engine.

My analog dwell meter is broken, so attempts to set the valve operation by the dwell meter exacerbated the problem. I can't get the dwell meter to work at all in any setting.

I ended up adjusting the fuel distributor by "smell". Once I was no longer choking on unburnt fuel fumes, the valve began buzzing in it's familiar cycle. 

I'll pick up a new dwell meter to get it set correctly instead of guessing.

Rich A.
#5335

--- In dmcnews@xxxxxxxxxxxxxxx, "Richard" <racuti1@...> wrote:
>
> 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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