03 2500 hd check engin light

Asked by Apr 09, 2011 at 11:16 PM about the 2003 Chevrolet Silverado 2500HD

Question type: Maintenance & Repair

I have a 2003 2500 hd chevy with the 6.0 check engin light came on said it was the 02
sensor right bank behind the cat so I changed it reset the code 10 min later back on same
code exchanged 02 sensor put new one in tried again same thing now I'm stuck any ideas

1 Answer

165

Is the code rich/lean condition or heater circuit. If rich/lean condition check catalytic convertor. If heater circuit check fuse or open/shorted wire. Probably heater circuit if code came back so soon.

2 of 2 people found this helpful.

Your Answer

Add photo

Related Questions

  • 03 2500 hd check engin light 1 answer

    I have a 2003 2500 hd chevy with the 6.0 check engin light came on said it was the 02 sensor right bank behind the cat so I changed it reset the code 10 min later back on same code exchanged 02 sens...

    2003 Chevrolet Silverado 2500HD

    -

    Maintenance & Repair

  • 2001 chevy 2500 hd (service 4wd light) 2 answers

    During a snow storm today I tried to engage 4lo while in 4hi. As I tried to engage the system the service 4wd light came on and will not disengage 4hi. My truck is now stuck in 4wd. Any ideas on ...

    2001 Chevrolet Silverado 2500HD LT Extended Cab LB 4WD

    -

    Maintenance & Repair

  • 2001 Chevy 2500 HD 2 answers

    My truck just failed inspection due to the service engine soon light not coming on I pulled the dash out to check the bulbs, all bulbs work fine The lights around the service engine soon work, ABS etc...

    2001 Chevrolet Silverado 2500HD

    -

    Maintenance & Repair

  • 1990 chevy silverado 2500 hd 3 answers

    My 1990 chevy silverado 2500 hd 5.7 motor is leaking coolant out the radiator cap but is not over heating the oil looks good is not milky and not smoking when i drive it..i was toldnit might be a ...

    Chevrolet Silverado 2500HD

    -

    Maintenance & Repair

  • check engine light is flashing on and off on a2001 hd chev 1 answer

    the light does not stay on but is flashing at diff times. The code was something misfire

    2001 Chevrolet Silverado 2500HD Crew Cab 4WD

    -

    Maintenance & Repair

Search Chevrolet Silverado 2500HD Questions

Chevrolet Silverado 2500HD Experts

#1 Steven Loeffler
Steven Loeffler
Reputation 480
#2 Tom Demyan
Tom Demyan
Reputation 280
#3 piocon
piocon
Reputation 270
View All

Related Models For Sale

Used GMC Sierra 2500HD
99 Great Deals out of 13,461 listings starting at $2,650
Used Ford F-250 Super Duty
329 Great Deals out of 46,256 listings starting at $1,450
Used Chevrolet Silverado 1500
1,769 Great Deals out of 181,161 listings starting at $250
Used Dodge Ram 2500
143 Great Deals out of 5,158 listings starting at $1,499
Used Ford F-150
2,068 Great Deals out of 207,301 listings starting at $1,499
Used GMC Sierra 1500
761 Great Deals out of 69,110 listings starting at $1,850
Used Chevrolet Silverado 2500
5 Great Deals out of 245 listings starting at $4,900
Used Ford F-350 Super Duty
376 Great Deals out of 25,766 listings starting at $1,995
Used Chevrolet Silverado 1500HD
16 Great Deals out of 259 listings starting at $3,995
Used Toyota Tundra
436 Great Deals out of 34,736 listings starting at $2,990
Used Chevrolet Silverado 3500
27 Great Deals out of 585 listings starting at $3,990
Used Dodge Ram 3500
74 Great Deals out of 2,199 listings starting at $4,999

Used Cars For Sale

2017 Chevrolet Silverado 2500HD For Sale
4 Great Deals out of 17,096 listings starting at $25,675
2016 Chevrolet Silverado 2500HD For Sale
23 Great Deals out of 1,991 listings starting at $27,198
2015 Chevrolet Silverado 2500HD For Sale
31 Great Deals out of 1,753 listings starting at $20,000
2014 Chevrolet Silverado 2500HD For Sale
14 Great Deals out of 498 listings starting at $8,977
2013 Chevrolet Silverado 2500HD For Sale
7 Great Deals out of 928 listings starting at $7,200

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.