2017 Jeep Wrangler Engine Problems

Mileage when the problem started

• Under 25k
  620%
• 25k–50k
  827%
• 50k–75k
  1240%
• 75k–100k
  310%
• 100k–150k
  13%
• 150k+
  00%

Owner reports

Selected complaints filed with NHTSA by 2017 Jeep Wrangler owners, lightly cleaned up (personal details are redacted by NHTSA).

The contact owns a 2017 Jeep Wrangler. The contact stated that while driving approximately 30-45 MPH, the vehicle lost power. On another occasion, while driving at 20 MPH, the vehicle lost motive power. While shifting into gear, the vehicle failed to respond as intended. The check engine warning light illuminated after the failure. The driver was able to pull over safely. The vehicle was running, and the heat was functioning. The vehicle was towed to a AAA Service Center, where the filter and oil were changed; however, the failure reoccurred. The vehicle was towed to AAA again, but no assistance was provided. The vehicle was taken to the local dealer, where it was diagnosed, and it was determined that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 100,000.

The contact owns a 2017 Jeep Wrangler. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic and initially diagnosed with cylinder #3 misfire. Additionally, there was an abnormal antifreeze odor detected. The engine code was reset. After getting the vehicle back from the mechanic, there was lots of white smoke coming from the exhaust pipe. The vehicle was taken back to the independent mechanic and diagnosed with a cracked cylinder head. The vehicle was not repaired and remained with the mechanic. The manufacturer was made aware of the failure and referred the contact to file a complaint with NHTSA. The failure mileage was approximately 84,000.

The contact owns a 2017 Jeep Wrangler. The contact stated that while driving 45 MPH, the vehicle started to lose motive power. The oil change soon warning light was illuminated. The vehicle was taken to an independent mechanic, and the independent mechanic informed the contact that the oil and coolant needed to be replaced or could cause damage to the engine. The independent mechanic informed the contact that he had experienced the failure with his vehicle due to the failure. The vehicle was then taken to a dealer however, the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure and offered the contact an extended satisfaction warranty. The failure mileage was approximately 99,000.

The contact owns a 2017 Jeep Wrangler. The contact stated while attempting to start the vehicle, the vehicle failed to start. The contact stated that the failure had been reoccurring for the past two months. The contact stated that the vehicle was able to be started 50 percent of the time. The vehicle was taken to an independent mechanic and diagnosed with a failed ECM. The contact was informed that the ECM needed to be replaced. The contact was informed of an unknown recall for the 2017-2018 Jeep Wrangler however, the VIN was not included in the recall. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 33,000.

The contact owns a 2017 Jeep Wrangler. The contact stated while attempting to start the vehicle or while driving at various speeds, the check engine warning light illuminated. The contact stated that the failure had occurred on several occasions. A dealer was contacted. The vehicle was taken to an independent mechanic where it was diagnosed and determined that the valves and the engine needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure and informed the contact that the engine was not under warranty. The manufacturer offered no assistance. The contact was referred to the NHTSA Hotline for assistance. The failure mileage was 47,000.

The contact owns a 2017 Jeep Wrangler. The contact stated while driving at an undisclosed speed, he heard an abnormal ticking sound emanating from the engine compartment, after which the vehicle lost significant motive power. The contact was able to pull to the shoulder of the roadway. After a visual inspection, the contact observed an oil leak underneath the engine compartment. The check engine warning light was illuminated. The vehicle was towed to an independent mechanic, who diagnosed a failure with the piston in cylinder #3. The vehicle was not repaired. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 52,000.

The contact owns a 2017 Jeep Wrangler. The contact stated that while driving at various speeds, the vehicle stalled without warning. The vehicle was restarted however, the failure recurred ten miles later. The vehicle was taken to an independent mechanic however, the failure was undetermined. The vehicle was not taken to the dealer. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 17,712.

The contact owns a 2017 Jeep Wrangler. The contact stated that the check engine warning lights was illuminated. The vehicle was taken to a local mechanic where it was diagnosed with needing cylinder number 2 replaced. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 79,000. THE CONSUMER STATED THE VEHICLE WAS REPAIRED. THE OIL FILTER AND CYLINDER HEAD WERE BOTH REPLACED.

The contact owns a 2017 Jeep Wrangler. The contact stated that while the vehicle was parked, he became aware of an oil leak underneath the vehicle. The contact stated that the failure had persisted. The dealer was notified of the failure and an appointment was scheduled for a diagnostic test. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 31,000.

Jeep caught on fire on the interstate. 17 year old boy had to pull over and escape vehicle. Vehicle left the side of the road even after being in park and brake. Vehicle continued unmanned on interstate into oncoming traffic engulfed in flames. It has not been confirmed by a dealer. Vehicle was inspected by State Farm. NO warnings given prior to incident.

Engine complaints in other Wrangler years