failed emission test,clucth does not appear to be working
Mercedes-Benz Q&A
Ask Your Question1992 Mercedes-Benz 400SE Question: how to test or check smog pump (air injection pump)?
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Answer #1
Greg-Julia from Auburn Foreign & Domestic Car, October 13, 2010, 16:30Reply
JourneymanPump should have power when 1st started cold. If not check for faulty relay or damaged wires. Mercedes has had issues with the insulation falling off the wiring. Good luck!
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