Repair cost
P0171 Repair Cost: Typical Price Range and What Affects It
P0171 repair cost usually depends on how quickly the lean condition is found. A cracked hose or dirty air metering issue can be inexpensive, while fuel delivery faults and intake leaks take more diagnostic time.
Repair range
$80-$900
Parts range
$28-$702
Labor time
0.7-2.5 hours
Cost Summary
P0171 repair cost usually depends on how quickly the lean condition is found. A cracked hose or dirty air metering issue can be inexpensive, while fuel delivery faults and intake leaks take more diagnostic time.
Common Repair Scenarios
- Fuel trim diagnosis and smoke test
- Vacuum hose or intake boot replacement
- Mass airflow sensor cleaning or replacement
- PCV or intake gasket leak repair
- Fuel pressure testing and pump repair
What Changes The Cost
- Whether the leak is visible or needs smoke testing
- Mass airflow sensor price
- Fuel pump access
- Intake gasket labor
- Companion misfire or lean-bank codes
Regional And Quote Guidance
Lean-code diagnosis is labor-sensitive. Areas with higher diagnostic hourly rates can make smoke testing and fuel pressure checks cost more than the parts.
Get another opinion if a sensor is recommended before checking vacuum leaks, intake tubing, fuel trims, and fuel pressure.
Related Diagnostic Page
FAQ
Why is P0171 repair cost such a wide range?
The same code can come from a low-cost fault or an expensive component, so diagnosis changes the final price.
Should I approve the most expensive P0171 repair right away?
Not usually. Ask what tests confirmed the part and whether related codes or simple causes were ruled out.
Does region affect the estimate?
Yes. Labor rates, diagnostic fees, parts availability, and local emissions requirements can change the price.