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Re: Low Power Posted by JerseySaab [Email] ![]() ![]() In Reply to: Low Power, Saabterranean ![]() |
You can test the catalytic converter for excess back pressure by removing the O2 sensor and hooking up a pressure test gauge. (I think an O2 sensor was used in 1980 for the Lambda feedback system.)
https://axleaddict.com/auto-repair/How-to-Test-a-Bad-Catalytic-Converter
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