how to test or check smog pump (air injection pump)?

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failed emission test,clucth does not appear to be working

Oct 13, 2010

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What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 1992 Mercedes-Benz 400SE. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

how to test or check smog pump (air injection pump)?

What is your question?

failed emission test,clucth does not appear to be working

palrepair in Gary IN

Oct 13, 2010

1 Reply

Popular Answer

Greg-Juliaon Oct 13, 2010

Pump 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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Popular Answer

What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 1992 Mercedes-Benz 400SE. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.