Failed Smog: Malfunction Lights not on?
CF Veteran
Joined: May 2012
Posts: 3,242
Likes: 2
From: Colorado
Year: 1992 Cherokee Sport
Engine: Bone-Stock 242
I'ma add onto that, since i was posting from my phone. The "Maint Req" light is tied into a relay that goes out at... 80k miles? Only the dealer can replace it apparently and it's just for the O2 sensor.
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