Engine light keeps coming on... @ 90,000 Miles.
I recently had the car service because the Engine light came on! I checked the fuel cap and its all good. but the light cam back on 2 weeks later- so I pulled both O2 sensor and clean them. light went out... but now 11-08-05 light came back on... so I replaced the O2 sensor on the exhaust monifold and the light is still on... (just recently got oil changed) I know there are 2 O2 sensor, but anyone have any idea what kind of trouble I'm having?
I had the same problem with my 1995 Blazer. It turned out to be the EGR device, it had carbon build up. I took it off and cleaned it and used a product called sea fome at NAPA Auto parts stores to clean out my system. No problems yet.
I had the same problem with my 2000 sunfire. It was my catalytic converter.
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