☰
AutoCodes.com | All About OBDII Engine Codes
Find a Shop |  Ask Auto Expert
Ask a Question

Keep getting PO 174.

0 like 0 dislike
254 views
by

The 02 sensor been replaced. Cleaned everything up, new plugs etc and still getting that code. Thoughts?

Vehicle: Nissan quest 2005

1 Answer

0 like 0 dislike
by (8.9k points)
Start by clearing the Mixture Ratio Self-Learning Control.

Instructions here: http://nissanhelp.com/diy/quest/projects/nissan_quest_clear_self_learning.php

If the problem persist check for exhaust leaks.

Related questions

0 like 0 dislike
1 answer 913 views
2005 nissan quest p1273 code fix?
asked Feb 23, 2017 by
0 like 0 dislike
1 answer 503 views
What to do for a p1283 code?
asked Jan 4, 2017 by
0 like 0 dislike
1 answer 481 views
U1000 NISSAN -
asked Jan 18, 2017 by
1 like 0 dislike
1 answer 7.8k views
What is VIAS control solenoid?
asked Mar 7, 2018 by

33.7k questions

32.5k answers

1.3k comments

23.0k users

Need A Repair Shop?
Find local automotive repair shops in your area.
⚠ Check if your car have Safety Recalls

Related Information

- Car TSB
- Car Recalls
- Car Common Problems
- Car Safety Rating
- Car Technical Articles
- OBDII FAQ
- OBDII Components
- 2024 Cars MPG

All OBDII Codes

- Top 25 Codes
- Latest Codes
- All OBDII Codes
- Powertrain (P) Codes
- Network (U) Codes
- Body (B) Codes
- Chassis (C) Codes
Powered by Question2Answer
...