2001 Saturn SL2 Q&A
2001 Saturn SL2 Question: code po410
There is a two page test procedure in the manual for testing the air pump system. Criteria has to be met for the air pump to operate. It is there to clean up emissions and get the catalytic converter to operate properly to lower emissions. If a Saturn compatible scan tool is used it has an "in service bay programmed test" that tests the system. The only simple test I can tell you is the air pump itself should have .5 to 10 Ohm resistance disconnected or it is bad. - patrick mannion
I found out the code for the Service Engine Soon light being on is po 410. An emissions problem with the secondary air pump I am told. Percentage-wise does anyone know which part may be causing the...
I find nothing marked in the engine bay fuse box and no details or markings on the Haynes wiring diagrams. getting PO410 code pump runs when wired direct 12volt hoses and down tube clear