but I had read that post earlier and am looking for more info on adjustment of the mixture with the EHA off.

Any idea how the fuel pressure regulator works?

As I mentioned in my earlier post, I read that if you pull off the vacuum hose and find fuel in it, the regulator is history...is this a fact?

Earlier this afternoon, I pulled off the vacuum hose from the regulator.By accident, the edge of the hose broke off from the regulator.

However, pinching the hose and releasing it did nothing at all to the engine's idle!

Also, closing the hole for the vacuum hose with my finger at the regulator and exposing it did nothing (duh!).

I am thinking maybe the vacuum hose is clogged up.

If there is no vacuum to the fuel regulator (like my current setup coz the hose broke off), will the engine get a default enrichment?

Check out the photo I took of the regulator with the vacuum hose (in red) disconnected.Engine idles the same with or without the hose connected and car is still smoking.

Wonder if this is the root to my problem?

Any help appreciated.

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