Question about 1997 Chevrolet C/K 3500
Van started chuging , ran code check comes up 2 codes both oxygen sensors , is there something else that would set off those codes ? or is it normal for both sensors to go bad at the same time
Both front oxygen sensors can fail at the same time
If you replace the front or upstream sensors at 100,000
miles, if they haven't failed sooner, your doing preventative
maintenance,so add that to the list
After that they slow down & you don't have the proper control
over the fuel trim & your vehicle is not as sharp in response to
your gas pedal request
The chugging is something you need to look into
The O2 Sensors are not causing that,you got things
that need attention,spark plugs,air filter,clean maf sensor
& check out ignition issues,worn out exhaust converter
causing a partially blocked exhaust system
Posted on Mar 19, 2014
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Posted on Jan 02, 2017
Sounds like the engine bearings (crankshaft) are worn. Try using a heavyer grade of oil, unless you want to rebuild the engine.
Posted on Feb 19, 2009
poor acceleration,bad gas mileage,but on this vehickle the check engine light would come on as it has three oxegen sensors right,left bank,and after converter sensors.if there is a problem the check engine light would be on?
Posted on Feb 14, 2010
Testimonial: "fantasic, thank you"
Sound like either the mechanic didn't plug the sensor in all the way or you got a bad sensor, bank 2 should be the passenger side, sensor 2 is the sensor after the catalytic converter.
Posted on Mar 17, 2011
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