Depends on the Engine you have. On the 4.2L I6 Engine the Exhaust manifold is located on the passanger side of the Engine. It is mostly covered by a heat sheild, but its pretty easy to see when youfollow the exhaust pipe up to the engine.
The 2002 GMC Envoy typically has two oxygen sensors located on the exhaust system. The upstream oxygen sensor is usually located near the exhaust manifold before the catalytic converter, while the downstream oxygen sensor is typically located after the catalytic converter.
Exhaust manifold(s).
One on the exhaust manifold. Easy to see! The other is right after the cat converter on the exhaust pipe. www.trailvoy.com
Drivers side exhaust pipe just after the exhaust manifold. Best reached from underneath.
There are two oxygen sensors. One located on the exhaust manifold and one located after the catalytic converter.
If you have the code you can change the sensor yourself. The sensor is located on the exhaust manifold. It sometimes is related to something else. For complete info and troubleshooting visit our enthusiasts forum at www.trailvoy.com
No. which manifold gasket are you wanting to replace? Intake or exhaust?
all o2 sensors are on the exhaust manifold pipe.That is the exhaust pipe from your engine.
1 of 1 oxygen is the one screwed into the exhaust manifold on the back of the engine.1 of 1 oxygen is the one screwed into the exhaust manifold on the back of the engine.
To change the exhaust manifold on a 2005 Nissan Titan, first ensure the engine is cool and disconnect the battery. Remove any necessary components obstructing access, such as the heat shield, intake manifold, and exhaust pipes. Unbolt the old manifold from the cylinder head, clean the mating surfaces, and install the new manifold with new gaskets. Finally, reassemble all removed components and reconnect the battery.
The exhaust manifold needs to have a gasket in place to help seal the juncture between the manifold and the engine. After the gasket and gasket sealer are in place, tighten the bolts for the exhaust manifold. The exhaust pipe can then be replaced on the new exhaust manifold.
Remove the front exhaust manifold and remove it from the top.