Question about Chevrolet Silverado 1500

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O2 sensor Hi ,can you tell me if a 1998 silverado 5.7 4x4 has a fuse for the o2 sensors.My engine light is on even though I cleared the code and change the o2 sensor.

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  • Anonymous Mar 20, 2014

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  • Master
  • 1,922 Answers

No fuse

Posted on Oct 07, 2009

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1 Answer

Po141 keeps coming on even though the part was changes and the code cleared from computer, why?


The P0141 code refers to your o2 sensor heater circuit. while many times replacement of the o2 sensor can solve this problem you possibly have a short or open in your o2 sensor heater circuit. Also was the proper o2 sensor changed p0141 is the bank 1 number 2 sensor. Bank 1 refers to the side of your engine where the #1 cylinder is located sensor 2 should be the second sensor on that side depending on how many sensors you vehicle has. hope this helps

Oct 12, 2013 | 2001 Chevrolet Impala

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What fuse controls the O2 sensor heater? My engine light stays on. I went to autozone and had them run a diagnostic. It coded the fuse for the O2 sensor. I have previously changed the cat conv. and both O2...


There is no fuse for the heater on the o2 sensor if the heater isn't working its usually the o2 sensors bad. (even a new light bulb can come out of the box and not work) but it could be in the wiring.

May 14, 2011 | 2005 Chrysler Town & Country

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My 1997 silverado extra cab 5.7 liter gets terrable mileage around town even though I am vevr easy on the gas pedal . My smog guy said it was rich and I should change the o2 sensor . No code is being sent...


wont help but taking that cat off will also if your running rich truck needs less fuel more air check air filter....cutting that catylitic off depends on where u are check the law.....but that will improve mileage alot ...so would dual exhaust....BTW all the O2 sensor does is tell u when its out of wack so cant see it being the problem if no engine light warnings...

Mar 19, 2011 | 1999 Chevrolet Silverado 1500

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Replaced both sensors and still have a check eng.light.


What sensors? There are more than 2. If you have the trouble codes I can help. Most big box part store will plug in to your truck and tell you what codes are stored for free. This is the first step. Once you post the codes we can go from there.

Feb 14, 2011 | 2005 Chevrolet Silverado

1 Answer

1998 gmc Sierra Engine light comes on and says O2 sensors. Replaced all sensors. Next day the light comes back on and says O2 sensors. What causes them to blow?


Hi, there are a number of trouble codes associated with the O2 sensors. Some indicate a sensor failure and others indicate a different problem. Can you tell me the trouble code you are getting?

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My 2006 silverado 2500, 6.0 engine shows a code for bad o2 sensors, put 2 new ones in, check engine light still one, the code never goes away even after it is reset with the engine off. whats up with...


You have to reset the check engine light. It will erase all the bad codes that you have fixed. To do this, you have to remove the positive battery cable for a minute or so and reconnect. It should clear the check engine light..

Aug 30, 2010 | 2006 Chevrolet Silverado 1500 2WD

1 Answer

No pick up after 45 mph


it could be in a limp mode which would explain it not going over 45mph even though you replaced o2 sensor you may still have to take it to maindealer to reset brain memory.

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