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MRecio · 09-28-2007, 01:17 PM

Hey guys I have a 94 4Runner 3.0 auto with 153K and I threw a code last night... After checking it this morning it is flashing code 24. then code 27. im not sure what code 24 is but i think code 27 is O2 sensor.... am i right? the light didnt come back on today when i drove it around... (seeing if I could get it to come up again.... It does seem the truck runs rich... if it sits and idles u can start to smell the fumes... and it is getting terrible gas mileage...

So i think i have to replace the 02 sensor. should I replace both? and how can i tell they are bad?

AND WHAT IS CODE 24 lol

09-28-2007, 01:17 PM	#1 (permalink)
MRecio Registered User Join Date: Jul 2007 Posts: 126	Help with Trouble codes Hey guys I have a 94 4Runner 3.0 auto with 153K and I threw a code last night... After checking it this morning it is flashing code 24. then code 27. im not sure what code 24 is but i think code 27 is O2 sensor.... am i right? the light didnt come back on today when i drove it around... (seeing if I could get it to come up again.... It does seem the truck runs rich... if it sits and idles u can start to smell the fumes... and it is getting terrible gas mileage... So i think i have to replace the 02 sensor. should I replace both? and how can i tell they are bad? AND WHAT IS CODE 24 lol __________________ 94 4Runner 3.0 Auto 150K "If you want to get there buy a Land Rover, If you want to get back get a Yota"