📖 What Does P0170 Mean?
Symptoms
- • Rough idle
- • decreased power
- • poor fuel economy
- • and a check engine light.
Common Causes
- • Faulty oxygen sensor
- • clogged fuel filter
- • vacuum leaks
- • faulty fuel injectors
- • or a malfunctioning fuel pressure regulator.
Possible Solutions
1. Clear the code and monitor the engine's performance. If the code returns, replace the oxygen sensor. 2. Check and clean or replace the fuel filter. 3. Inspect the intake manifold and vacuum hoses for leaks. 4. Test the fuel injectors and replace them if necessary. 5. Check the fuel pressure regulator and replace it if necessary.
Fixing this on your car?
Get a vehicle-specific repair guide with exact parts, oil specs, and torque settings for your make and model.
🚙 Get Vehicle-Specific Fix Guide
Select your vehicle to see a customized repair guide with exact parts and specifications:
❓ Common Questions About P0170
Can I drive with code P0170?
You can drive for a short time, but should address code P0170 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0170?
The estimated repair cost for code P0170 is between $50 and $200. 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
Need a Pro?
Complex codes like P0170 can be tricky. Don't risk it if you're unsure.
Recommended Tool
Professional OBD2 Scanner
Read & clear codes, view live data, and reset service lights yourself.
View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with P0170
P0168: Fuel Pressure Regulator Circuit Low Input
P0169: Fuel Pressure Regulator Circuit Malfunction
System Too Lean Bank 1
System Too Rich 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