oxygen sensor

Recently had repairs done on my 2002 Buick LeSabre. After a few days, the check engine light came on again. Didn’t think much of it until the car started jerking while accelerating, it had a rough idle and eventually started having stalling problems. I lose power steering and the “VOLT” light...

Hello, I have a 2013 buick encore with 80,000 miles, basically brand new, but a code P0420 has been bothering me for the last few months. It drives perfectly and mpg has been the same but now it's time to get the dumb texas State inspection so I have to get rid of it. I've removed the catalytic...

I have a 2006 Rendezvous throwing a code that my o2 bank 1 sensor 1 needs replacing. For the life of me I can't locate the sensor. Any insight would be appreciated. Thanks!

Our LeSabre has been well-maintained, has 96k miles on it. It had a very slow leak, which didn't even show up on our driveway...until we had it "fixed". Here is what the mechanics have done: * Removed/replaced upper and lower manifold gaskets * Cleaned throttle body * Cooling system flushed...