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There are two. The upstream is in the engine compartment, in the exhaust pipe. Look between the radiator and the engine. You can see the sensor sticking out ot the pipe. The down stream is in the pipe just in front of the catalytic converter. You will need a special slotted socket which you can buy at most auto parts stores.
What else can I help you with?
Where is the camshaft position sensor on a 1994 Nissan Quest?
On a 1994 Nissan Quest, the camshaft position sensor is typically located on the front of the engine, near the timing cover. It is usually positioned near the camshaft or the cylinder head, making it accessible for maintenance. To locate it more precisely, refer to the vehicle’s service manual, as the exact location can vary slightly depending on the engine type.
Where is the PCV valve located on a 1994 Nissan Quest?
Top, backside of the intake plenum.
How do you change the neutral safety switch on a 1994 Nissan Quest?
How do you change the neutral switch on a 1994 Nissan Quest
What kind of transmission fluid does a 1994 Nissan Quest use?
Valvoline MaxLife automatic transmission fluid is recommended for a 1994 Nissan Quest. The 1994 Nissan Quest has a 4-speed automatic transmission.
Where is the crankshaft sensor on a 1994 Nissan Quest?
On a 1994 Nissan Quest, the crankshaft position sensor is typically located near the lower part of the engine, often near the crankshaft pulley or flywheel. It can be found on the engine block, usually on the driver's side. To access it, you may need to remove some components or covers, depending on the specific engine configuration. Always refer to a repair manual for detailed instructions and diagrams specific to your model.
How much oil does a 1994 Nissan Quest hold?
A 1994 Nissan Quest with the V6 3.0 SOHC engine holds 4.5 quarts of oil.
How can you tell if a crank sensor is bad on a 1994 Nissan Altima?
How can you tell if a crank sensor has gone bad on a 1994 Nissan altima
Picture of Brake system for a 1994 Nissan quest?
remove backseat quest 97
My 1994 Nissan Quest won't start?
If your 1994 Nissan Quest won't start, you might have a dead battery or a bad starter. You could also have a tank that is empty of fuel.
Where is the speed sensor located on a 1994 Nissan 4x4 truck?
on the rear of the transmission it has a single bolt holding it in, and usually has a + symbol on it.
Where is the computer module located on a 1994 Nissan Quest?
In a 1994 Nissan Quest, the computer module, also known as the Engine Control Module (ECM), is typically located under the dashboard on the driver's side. Specifically, it can be found behind the kick panel, near the footwell area. You may need to remove some trim or panels for access.
What is the air conditioning psi for a 1994 Nissan Quest?
30psi
