Back to 2014 Jeep Wrangler

2014 JEEP WRANGLER

3.6L V64WDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs183Labor505Torque3681Fluid9DTC908Battery0Maintenance0Recalls4
P0176low severityPowertrain

Fuel Composition Sensor Circuit

on 2014 Jeep Wrangler 3.6L V6 · 4WD

What this code means

Malfunction in the fuel composition sensor circuit, used in flex-fuel vehicles to detect ethanol content.

Symptoms

  • Check Engine Light
  • Poor driveability on E85
  • Incorrect fueling for fuel type

Common causes

  • Faulty fuel composition sensor
  • Wiring damage
  • Sensor contamination

Diagnostic steps

  1. Test sensor output
  2. Inspect wiring
  3. Check for contamination

Repair notes

Replace fuel composition sensor.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →