Back to 1997 Jeep Wrangler

1997 JEEP WRANGLER

4.0L I64WDAUTOMATICgas
7 active safety recalls on this vehicle — view recalls
Repairs0Labor505Torque2487Fluid9DTC638Battery0Maintenance0Recalls7
P0311high severityPowertrain

Cylinder 11 Misfire Detected

on 1997 Jeep Wrangler 4.0L I6 · 4WD

What this code means

Misfire detected in cylinder 11.

Symptoms

  • Check Engine Light
  • Rough idle

Common causes

  • Worn plug #11
  • Faulty coil
  • Faulty injector

Diagnostic steps

  1. Swap coil
  2. Inspect plug
  3. Test injector

Repair notes

Diagnose cylinder 11.

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 →