📖 What Does P0174 Mean?
Symptoms
- • Rough idle
- • hesitation during acceleration
- • lack of power
- • backfiring
- • hard starting
- • check engine light.
Common Causes
- • Vacuum leaks on bank 2
- • faulty mass airflow sensor
- • clogged fuel injectors
- • weak fuel pump
- • intake manifold gasket leak.
Possible Solutions
Find and repair vacuum leaks on bank 2, clean or replace mass airflow sensor, clean fuel injectors, test fuel pump pressure.
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❓ Common Questions About P0174
Can I drive with code P0174?
You can drive for a short time, but should address code P0174 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0174?
The estimated repair cost for code P0174 is between $30 and $300. This includes parts and labor for most makes and models.
Is this code easy to fix myself?
This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.
Required Parts
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View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with P0174
System Too Lean Bank 1
Cylinder 1 Misfire Detected
Cylinder 2 Misfire Detected
Cylinder 3 Misfire Detected
Cylinder 4 Misfire Detected
Catalyst System Efficiency Below Threshold Bank 1
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system