What Does P0172 Mean on Your 2024 Dodge Durango?
A P0172 code on your 2024 Dodge Durango means the PCM has detected a rich fuel condition on Bank 1. The 2024 Durango continues with the 3.6L Pentastar V6 (295 hp) or the 5.7L HEMI V8 (360 hp). Bank 1 is the driver's side cylinder bank.
Since the 2024 Durango is a new vehicle, this code should be fully covered under Stellantis' factory warranty. Understanding the potential causes helps you communicate effectively with your service department.
Symptoms You Might Notice
- Check engine light on
- Reduced fuel economy
- Rough idle
- Black exhaust smoke
- Fuel smell from the tailpipe
- Slight power reduction under load
Common Causes of P0172 on the 2024 Dodge Durango
- MAF Sensor Contamination — An aftermarket oiled filter or factory contamination on the MAF sensor element.
- EVAP Purge Valve Defect — A recurring Stellantis issue — a factory-defective purge solenoid that sticks open.
- O2 Sensor Manufacturing Defect — A rare factory defect in the upstream oxygen sensor.
- Fuel Injector Issue — A factory-defective injector that allows fuel seepage.
How to Diagnose the Problem
- Read all DTCs — Look for companion codes.
- Check fuel trims — Compare banks for systemic vs. localized issue.
- Test MAF sensor — Verify against factory specs.
- Test purge valve — Command open/close test.
- Monitor O2 sensor — Voltage and switching analysis.
- Test fuel system — Pressure and injector diagnostics.
Repair Options and Cost Estimates
Your 2024 Durango is covered by Stellantis' 3-year/36,000-mile basic warranty and 5-year/60,000-mile powertrain warranty.
- MAF Sensor Cleaning — DIY: $10-$15. Shop: $60-$120.
- MAF Sensor Replacement — Parts: $80-$190, labor: $60-$120. Total: $140-$310.
- Purge Valve Replacement — Parts: $25-$65, labor: $60-$120. Total: $85-$185.
- O2 Sensor Replacement — Parts: $80-$200, labor: $90-$180. Total: $170-$380.
- Fuel Injector Replacement — Parts: $50-$155, labor: $200-$410. Total: $250-$565.
Can You Fix This Yourself?
Bring it to the dealer — warranty covers it. MAF sensor cleaning is the only safe DIY first step that won't affect warranty coverage.
Prevention Tips
- Use only OEM or quality dry air filters
- Follow Stellantis maintenance schedule
- Use quality fuel
- Report drivability changes to the dealer promptly