Mileage Issues for Camry

[redtigerrocks]

Hey guys i need your help!
I have a 94' Camry XLE V6 and ive noticed ive been getting terrible mileage (16.6666666667 mpg) and i have a check engine light showing on my dashboard. I was wondering is it really the O2 sensor which is causing the terrible mileage or something else? When the car is started, it is idling at a high RPM over 1.5k-2k but dies down after a while. Another bad thing about my car is that it has terrible tires with bare tread. Could this be another cause?

I would like to get yalls input! If it is the O2 Sensor does anyone know where i could get one for cheap. I keep changing my O2 Sensors like a billion times but the check engine light and mileage are the same all around. i dont wanna waste my money on something that does work! I already changed bank 1 sensor

How Much mileage Highway/ City am i supposed to be getting?

[WhiteRabbit]

about 20 city

[geoff5093]

When I had my '94 XLE V6 the worst I ever got was 16.5mpg, but that was when I switched to 93 octane fuel. Besides that time, the worst I got was around 18mpg, averaged 19-21 50/50.

The O2 sensor could make a big difference, but if you only have one gone then it shouldnt make a huge difference since you have 2 more, unless all 3 need replacing.

[toyota95]

well..its a v6..if you were to compare to a 4cly..

[toyomoho]

Have the trouble codes read out. AutoZone will do this for free. Then go from here.

[94CoupeV6]

^
Yup. Our cars are OBDII, so you can go to AutoZone and they can pull the code for you. It will tell you nearly exactly what's giving you poor gas mileage.

[geoff5093]

Originally Posted by toyomoho

Have the trouble codes read out. AutoZone will do this for free. Then go from here.

When you tell them you have a '94 Camry they will say they cant do it, only '96 or newer cars. Tell them that yours is OBDII and their scanning tool will work.