Should be 2 of them.
The oxygen sensor on a 98 Chevy K1500 truck is located in the exhaust manifolds. It monitors oxygen levels in the exhaust gases and allows the computer to make adjustments for optimal performance.
A faulty EGR valve can cause a 98 Chevy to fail a smog test. The oxygen sensors should also be tested as they can also cause a 98 Chevy to fail a smog test.
Consider this - I have a 91' Chevy lumina with 256k miles on it, and aside from an oil leak, it still runs like a top
in the axle
It is below the alternator and kind of hard to see.
Only when the AC is on.
what is the spark plug gap for a 98 Chevy lumina sedan 3.1Liter engine
location of 3 sensor of 97 Chevy astro van?
where the map sensor on 98 blazer?
The Flasher Relay for the 98 Lumina Sedan, (and all 97-03 GM W-Body
The easiest way to disable the 1998 Chevy Lumina factory alarm is to remove the factory alarm fuse. The factory alarm fuse can be found in the fuse box.