How many O2 sensors does a 2004 Dodge Ram have?
2004 on up have a cat on each side of the engine and 2 sensors for each cat. Bank 1 is the driver side, bank 2 is the passenger side. Sensor 1 is upstream, sensor 2 is downstream.
How many O2 sensors does a Dodge Ram 2500 have?
Oxygen sensors are located before and after the catalytic converter. A vehicle may have two to five oxygen sensors, and sometimes even more.
Where is the rear oxygen sensor located?
The front sensor(s) will be located under the hood, on the exhaust, very close to the engine. The rear one(s) will be located under the vehicle, directly after the catalytic convertor.
Where are the o2 sensors located on a 2004 Dodge Ram 1500?
The o2 sensor in a Dodge Ram 1500 is located after the headers on the exhaust pipes.
How many o2 sensors does a 2003 Dodge Ram have?
You have 4 sensors. 2 are upstream sensors and 2 are downstream sensors.
What happens when the oxygen sensor goes bad on a Dodge Ram?
Your Ram can exhibit symptoms when the Oxygen sensor has gone bad. Or, it may exhibit none at all. Often enough, the only sign of the problem at all is the service engine soon light being on. The good news is, if you end up discovering that the oxygen sensor is bad, they really aren’t that expensive to replace.
Where is the oxygen sensor in the engine?
An Oxygen sensor that is between the catalytic converter and the engine is known as an “upstream” sensor. Oxygen sensors after the catalytic converter are “downstream sensors”. As a rule, the upstream sensor is more important for engine timing and air/fuel ratios.
Can a bad oxygen sensor cause a check engine light to come on?
The trouble codes associated with the OBDII scan will reveal which sensor is at fault and why it is bad (at least what the computer thinks is wrong). It is very rare for there to be a problem with an oxygen sensor, and not have the check engine light come on. Here are the most common symptoms of a bad oxygen sensor in your Ram: