200 saturn lw2 v6 wrench light comes on but car runs great. serviced and tuned up, all new filters, plugs etc. Service eng. light went off but the wrench light is still on. any ideas
SOURCE: 2002 Saturn SL1. THe service enging light is
you most likely have a plugged catalytic converter and a stuck open egr valve. Your car has two one is a digital electric and the other is mechanical, this is a common problem for that car. The digital is hard to find on the engine and hard to get at but if you want the procedure I can tell you how to fix it by removing and cleaning.
SOURCE: I have a service wrench
Forget the dealer
You get a check light.leave it,and go to a shop to scan it for the code.Then have them diagnose from there and repair.
You have system malfunctions on both vehicles.
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