Quote:
Originally Posted by rexcramer
1124 1-3 and 1126 4-6 Oxygen Rich Limit
These 2 codes started last October. They were intermittent in the beginning, continuous now. The car runs as good as it ever has and the fuel mileage has stayed consistent. Generic OBD show the CAT and the OS2 not ready. I am forced to deal with it for CA smog testing/registration.
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On RennTech we discussed this subject .I was in exactly the same situation as you.
Suggest you Search for "Drive Cycle" & "Readiness".
I found a Durametric very useful for observing Actual Values.
Is your SAI pump & SAI system operating correctly? That is a very common fault area.Also covered on RennTech recently.
Systematically examine every clamp and hose .For example, it is easy to get the big Intake hoses out of position.
If you use propane , you need a long curved wand and plenty of very flexible hose.It works. You just have not found the leak with it yet.Try Carb Cleaner ?