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AMM part number, testing a cat

1989 B230F

I am looking at a used AMM for my car due to some continued idling problems... after addressing all the usual suspects listed in the FAQs. The one in the car has Bosch p.n. 02 80212016. Every one that I see listed (including on FCP Groton) refers to a 007 p.n. Can anyone tell me what the difference is and if the 016 is correct for this car? I do not know if the AMM was ever replaced before.

The second question... is there any way for a back yard mechanic to determine if a catalytic converter is funtioning properly?

Thanks!
--
Chas Mike, former '85 760 Diesel (loved it!); now '89 740GL 215k and counting







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