O2 sensors not passing smog

Asked by Oct 01, 2019 at 10:57 PM about the Dodge RAM 1500

Question type: Maintenance & Repair

I replaced the cats on my 2011 Dodge Ram 1500 and replaced the front 2 O2
sensors.  Ive driven the truck 550 miles and it still wont pass smog?  What do I
need to do?

4 Answers

269,335

Why exactly won't it pass?

1 people found this helpful.

The smog guy says that the oxygen sensor is not complete.

Do I need to drive it more? I figured 550 miles should have been enough

67,495

Take it somewhere and get the actual code so you know what's failing. Be sure you have the correct O2 sensors installed, they need to be specifically for that vehicle, for example you can't just use sensors for any Dodge Ram. Some sensors are heated some are not, and the circuit needs to be working.

1 people found this helpful.

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