There are 5 owner-reported engine complaints for the 2003 Jeep Wranglerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
2013 JEEP WRANGLER. CONSUMER WRITES IN REGARDS TO INTERMITTENT ENGINE PROBLEMS, WHILE DRIVING UP HILLS ACCELERATION SPEEDS DECREASE. *SMD THE CONSUMER STATED UPON DRIVING UP HILLS, THE CHECK ENGINE LIGHT ILLUMINATED. THE CONSUMER STATED AFTER DOING SOME RESEARCH ONLINE, IT APPEARED THAT ANOTHER MODEL WAS RECALLED FOR THE SAME PROBLEM. OWNERS INDICATED THE CAM SHAFT SENSORS AND DYNAMIC SENSOR CONTROL NEEDED A TCM UPDATE. *JB
TRAVELING AT 60-65MPH VEHICLE CUT OFF WITHOUT WARNING. NO LIGHTS ON DASH CAME ON. PULLED OUT OF WAY OF OTHER TRAFFIC AND CAME TO A COMPLETE STOP. TRIED STARTING AND STARTED RIGHT UP. MILEAGE 77,200. *TR
TL*THE CONTACT OWNS A 2003 JEEP WRANGLER. WHILE DRIVING 55 MPH, THE CRANKSHAFT POSITION SENSOR FAILED AND THE CHECK ENGINE LIGHT CONTINUED TO ILLUMINATE. THE CONTACT TOOK THE VEHICLE TO THE DEALER AND THEY CONFIRMED THAT THE SENSOR MALFUNCTIONED. HE DISCOVERED A RECALL FOR THE SAME EXACT FAILURE WITH THE 2004 JEEP WRANGLER. THE MANUFACTURER STATED THAT THE FAILURE WAS NOT UNDER WARRANTY AND WOULD NOT BE COVERED, ALTHOUGH HE HAD A CURRENT 7-YEAR POWERTRAIN WARRANTY. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 24,000.
PAINT PEELING OFF OF FENDERS AND ON THE HINDGES OF THE HARD TOP AND DOORS. THERE IS A CONSTANT TICKING, RATTLE SOUND COMING FROM THE ENGINE. I HAVE DRIVEN WITH THE HEAD MECHANIC,AND THE DEPT. MANAGER. THEY BOTH HAVE HEARD THE SOUND. THE JEEP HAS BEEN IN THE SHOP "9" TIMES AND THE PROBLEM STILL EXHISTS. I HAVE LOSS CONFIDENCE IN THE LOCAL DEALERSHIP'S SERVICE DEPT.*AK
WHEN TRAVELING AT 55 TO 60 MPH VEHICLE CUT OFF WITHOUT WARNING. VEHICLE WOULD RESTART AFTER FEW MINUTES. DEALER HAD BEEN CONTACTED. *AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026