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P0410 Diagnostic Trouble Code Discussion for December 2009

Secondary Air System Performance

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Trouble Ticket Help Requests for DTC P0410
Help Request Posted
2000 Saturn SL 1.9L Poor Fuel Economy, MIL Lamp on VIN: 1G8ZH5287Y
P0410: Secondary Air System Performance. tried "everything" plugs don't reflect rich condition forced lean by removing pcv -- engine revs to 1500 rpm's & b1s1 dips a little to .600 vdc & climbs back up short term trim is at -50 at idle with vacuum leak induced, short term trim only ...
December 07, 2009