The 2012 Dodge Ram 3500 o2 sensor location is found by watching: https://www.Youtube.com/watch?v=jUu-o2ln5OQ You will come into many problems with an engine. There could be excessive oil use, requiring the oil to be replaced sooner than expected. A really serious problem is the engine overheating. This may lead to fires and the car exploding. A gasket may be loose and that needs to be tightened up quickly. A spark plug may pop off, causing engine trouble. You can have oil leaks and those need to be fixed as soon as possible. The coolant needs to be changed every 60,000 miles. The spark plugs need to be changed every 100,000 miles unless it's a copper one. A cooper spark plug needs to be changed every 30,000 miles. Your air filter needs to be changed every 15,000 to 30,000 miles.
Cecil M.
April 11, 2020
Oxygen sensors are located within the exhaust stream, there is at least one oxygen sensor located before the catalytic converter and typically one in each exhaust manifold.
Tommy R
July 16, 2020
The 2012 dodge ram 3500 o2 sensors are in the exhaust, under the truck. There is one in front, and one at the rear of the cat.
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