Question about 1997 Chevrolet C/K 3500

1 Answer

Chevy 1 ton van 5.7 v8

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

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1 Answer

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

Testimonial: "WOULD A BAD COIL CAUSE THE CHUGGING ?"

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SOURCE: I have a '93 chevy silverado 1/2 ton with oil pressure problems

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

  • 153 Answers

SOURCE: 1997 Chevy 2500 3/4 ton van. What are the symptoms

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"

c1apton15
  • 3400 Answers

SOURCE: I have a 2000 Chevy Express 3500, 1 ton van and I

Google your "year,make,model, engine size, O2 sensor diagram" then click to images

Posted on Jan 06, 2011

  • 19 Answers

SOURCE: I have a 2002 chevy tahoe and I just had an oxygen

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

SOURCE: I have a 2002 Chevy

Not the fuel filter

More like a vacuum leak

Posted on Apr 13, 2011

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2002 chevy express van 5.7 v8 error code PO154 Bank 2 sensor 1 oxygen sensor


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It'll look something like this: http://www.carsteering.com/data/all_images/48-01718.jpg

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To avoid confusion, remove and tag the wires one at a time for replacement.


f160dd3.jpg


Fig. 1: 2.5L 4-cylinder Engine. Engine Firing Order: 1-3-4-2. Distributor Rotation: Clockwise


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deal with the oxygen sensor then reset the computer and see what codes come back

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