📖 What Does P0173 Mean?
Symptoms
- • Rough idle
- • decreased power
- • poor fuel economy
- • and a check engine light
Common Causes
- • Vacuum leak
- • faulty oxygen sensor
- • clogged fuel filter
- • dirty or clogged fuel injectors
- • faulty fuel pressure regulator
- • or a malfunctioning fuel pump
Possible Solutions
1. Check for vacuum leaks and repair as necessary. 2. Replace the oxygen sensor if faulty. 3. Clean or replace the fuel filter. 4. Check and clean fuel injectors. 5. Check fuel pressure and replace the fuel pressure regulator if necessary. 6. Check the fuel pump and replace if necessary.
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❓ Common Questions About P0173
Can I drive with code P0173?
You can drive for a short time, but should address code P0173 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0173?
The estimated repair cost for code P0173 is between $100 and $500. 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 P0173
System Too Lean Bank 1
System Too Rich Bank 1
System Too Lean Bank 2
System Too Rich Bank 2
💡 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