The oil leak is coming from the valve cover gasket and leaking onto the exhaust manifold, the rubber valve cover gaskets get hard from the engine heat and start to leak, you will have to replace the rubber valve cover gaskets to stop the oil leak
manifold or downpipe gaskets may be leaking gases or worse, cracked manifold
The 2003 Toyota Camry coolant temperature sensor can be found on top of the engine. The coolant temperature sensor will be near the center of the exhaust manifold.
There are two of them. First one is in the exhaust manifold. Second one is in the exhaust pipe just under the passenger seat.
There are 3 Oxygen Sensors on a 97 Toyota Camry with a 3.0 liter v6.An oxygen sensor is mounted on each exhaust manifold (left and right), And the third is mounted on the exhaust pipe after the catalytic converter.
The 2002 Toyota Camry XLE has four oxygen sensors. There are two sensors on the exhaust manifold ,and one before and one after the catalytic converter.
should have 3. 1 on the front manifold, 1 on the rear manifold, and 1 on the mid pipe "center exhaust pipe"
You can find and exhaust system diagram for your 2003 Toyota Camry at most Toyota dealerships. Many local libraries will have Toyota service manuals with the exhaust system diagram.
You can find to right of the exhaust manifold sticking out to the engine.
This code means that the fuel is to lean. You have problem with your oxygen sensor in the bank 1 (location: exhaust manifold).
You can find it in the exhaust manifold, it's visible from the engine compartment. Basically it's between the engine radiator.
Bank 1 oxygen sensor is the closest to the engine exhaust manifold. It is usually can seen and replaced if necessary with open hood.
If it is a v6 it willl be under the front exhaust manifold