Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSHYUNDAI2014SANTA FE XL PREMIUMREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM DIAGNOSIS (1 OF 3)DTC P0171: SYSTEM TOO LEAN (BANK 1)COMPONENT INSPECTION

2014 Hyundai Santa Fe XL Premium

Component Inspection

2014 Hyundai Santa Fe XL PremiumSECTION Component Inspection

Check PCV
1. IG "OFF". Remove PCV valve from rocker cover.
2. Insert a thin tool into the PCV valve from the threaded side and verify that the plunger is moving.
3. Is the PCV valve moving correctly?
  YES
  - Go to " 2 Check injector" as follows.
  NO
  - Replace PCV. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check injector for normal operation
1. Start engine.
2. Check that RPM decrease when performing the injector's actuation test.
3. Is there any cylinder with no change in RPM or only a small change in RPM?
  YES
  - Replace injector. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - Clear DTC and Test-drive under enable conditions. After the test, if this DTC is set, go to "SYSTEM INSPECTION " procedure. If not, troubleshooting is completed.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.