Question about 2003 Chevrolet Silverado 1500

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Po135 on 2003 silverado O2 sensors replaced need to clear trouble code, how do I do this?

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  • Chevrolet Master
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You can try disconnecting the battery for a couple of minutes. This may turn off the light but it may not clear the codes. Not to mention if you have automatic climate control you may have to reset that after reconnecting the battery. The best thing to do is get your self a code reader for about $50. You'll be able to read and clear codes until your heart is content. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

Posted on Feb 19, 2012

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Posted on Jan 02, 2017

Molson02536
  • 3854 Answers

SOURCE: O2 sensors trouble codes come back/after being replaced

What were the codes??? You should have gotten one code if it was only one O2 sensor that went bad. If all three O 2 sensor went bad you would have gotten three different codes. P0031 (bank1 sensor1) P0051 (bank2 sensor2) P0061 to P0064 O2 sensor after the catalytic. Hops this helps. 

Posted on Jul 03, 2009

dmftrucker
  • 1922 Answers

SOURCE: o2 sensor

no fuse

Posted on Oct 07, 2009

c17hydro
  • 2984 Answers

SOURCE: 2003 Chevy Silverado 1500 Error Codes

p0135- 02 sensor


p0442- evaporative emissions control system leak detected (small leak)

p0449- evaporative emissions control system vent valve/solenoid circuit malfunction

Posted on Mar 23, 2009

  • 416 Answers

SOURCE: diagnostic trouble code P0332

under intake manifold

Posted on Jan 26, 2010

  • 383 Answers

SOURCE: i have a trouble code P0141 for a 2003 chevy

before the catalytic converter

Posted on Jun 13, 2010

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I replaced the knock sensor on my 1994 Chevrolet Silverado C3500 and my truck is still running rough and have a hard time getting above 2000 rpms. Anything above that it wants to stall out and shut off.


How are the O2 sensors? Any trouble codes stored? You can get a free code read at most auto parts stores.

O2 sensors usually don't set codes though.

Dec 07, 2014 | 1994 Chevrolet C3500

1 Answer

2002 Santa Fe with P0031 code (O2 sensor, bank 1 sensor 1). Replace sensor, cleared code and code reappears. On the OBDII, the code shows under transmission and engine. Do I need to clear the code


I guess I should start by saying that trouble codes do not instruct the mechanic to replace a component. Only to check it.
Code 31 is for a problem with the heater circuit for that O2 sensor. The sensor is not warming up fast enough to satisfy the engine computer. Since you have replaced the sensor, the actual problem could be in the wiring or the source of power for the heater built into the sensor.

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2006 Dodge Caravan Getting Two codes: Po135 and Po141


Sadly people don't know that trouble codes only tell the mechanic what to test, not what to replace. And auto parts stores are in the business of selling parts, not giving advice.
Code 135 means there is a problem with the heater inside the o2 sensor for bank one in front of the catalytic converter. Code 141 means the same thing for the o2 sensor after the cat.
Since it is very rare to have two O2 sensors fail at the same time, chances are the problem is lack of power going to the sensors.
The power circuits would need to be checked which requires a shop manual to get the testing procedures and wiring diagrams.

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Po430 code


P0430 means you have trouble to emission. most likely at catalytic and 02 sensor, replacing plugs might help if it is not been replace for a while about 70k miles this might help your idling. if you have access to scanner check fuel short trim a higher trim indicate fault at upstream 02 sensors.

Nov 06, 2013 | Cars & Trucks

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Hi, i have an 03 silverado with the 4.8 in it my check engine light came on today what could that be? o2 censor?


Hello, and welcome. it could be a 02 sensor, but you will need to have the system scanned for trouble codes to know what the root cause is. once the trouble code has been pulled, then we would have a much better idea what the fault is

Oct 07, 2010 | 2003 Chevrolet Silverado 1500

2 Answers

Have 1996 chevy Silverado 4.3 Service Engine Soon Light Stays on took to Autozone & the reader said replace O2 Sensor


A P0147 is caused by a failure in the O2 sensor heater circuit. The heater circuit is used to allow a more accurate reading (for O2 sensor) while system is below normal operating temperature. The only way to properly fix this problem is to replace the O2 sensor, however you can clear the code and it may be a few days before it comes back [and sets check engine light]. This condition is somewhat common on GM vehicles of that age.

May 01, 2010 | Chevrolet Silverado Cars & Trucks

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check the mass air flow sensor there maybe dirt on the filiment inside the sensor causing false readings. cleaning or replacing it may make the codes go away.

Oct 28, 2009 | 1998 Toyota Tacoma

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P0430 OBD-II Trouble Code


Try the mass air flow sensor had same problem and replaced all o2 sensors, did not fix. Took to shop they changed mass air flow sensor runs good now.

Sep 25, 2009 | 2000 Chevrolet Silverado 1500

1 Answer

O2 sensors trouble codes come back/after being replaced


What were the codes??? You should have gotten one code if it was only one O2 sensor that went bad. If all three O 2 sensor went bad you would have gotten three different codes. P0031 (bank1 sensor1) P0051 (bank2 sensor2) P0061 to P0064 O2 sensor after the catalytic. Hops this helps. 

Jul 03, 2009 | 1999 Chevrolet S-10 Pickup

2 Answers

1991 chevrolet silverado truck engine hesitates, fuel injected. Gives me codes #42 and #44


Trouble Code 44 indicates that the O2 sensor is showing a persistently high exhaust oxygen content (lean), despite the efforts of the ECM to increase ...
Code 42 : Electronic spark timing (EST) circuit fault

Feb 17, 2009 | 1999 Chevrolet Silverado 1500

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