Lincoln Navigator misfire problems

Filed Nov 19, 2024 · Transmission · FL

POWERTRAIN MALFUNCTION/REDUCED POWER while on the highway! Low boost power malfunction causing excessive fuel and oil consumption, spinning/timing misfire, and reduced speed! Check engine light and powertrain malfunction lights later indicated P0365 and P0369 error codes. Dealership says I need a new timing chain and VCT selenoid. I found out this is a KNOWN ISSUE WITH 2018-2020 LINCOLN NAVIGATORS and that Lincoln has issued TSB Bulletins regarding these very issues! I am experiencing all of the symptoms - rattling when starting from a cold start, excessive oil consumption, spinning/misfiring when changing gears, crazy slow acceleration, low fuel economy. Initially the light came on in October with the Lincoln app telling me incorrect oil so I went and had my oil changed 10/30. It didn't help at all. I had the car diagnosed locally before calling to have it scheduled to be fixed at the dealership. The auto place wouldn't even give me a quote!! I have attached their Diagnostic. The dealership stated the cost would be $5400 for VCT Selenoid and Timing Chain. Dealership also stated this is a known issue and he had the same vehicle of the same year for the same reason he's working on right now! I looked it up and Lincoln KNOWS! They know about this issue!! I contacted Lincoln and they REFUSED to help!!! I believe Lincoln should extend grace and help with the cost of repair because they have know about this ongoing issue. Instead of helping their customers by issuing a recall or optional service help, they're putting the bill on the customer or their known issue.

Filed Jun 11, 2021 · Engine · 89,000 miles · PA

The contact owns a 2018 Lincoln Navigator. The contact stated that there was a loud rattle, rough idle, and loss of power during acceleration after starting the vehicle. The vehicle was taken to the dealer and diagnosed that there was a cold start rattle on the eco-boost engine related to the cam phaser. The vehicle was not repaired and remained at the dealer. The dealer where the vehicle was purchased and Crest Lincoln (36200 Van Dyke Ave, Sterling Heights, MI 48312) were made aware of the failure and informed the contact that there was a recall associated with the failure. The manufacturer was made aware of the failure and informed the contact that the VIN was not under recall. The contact was referred to file a complaint with the federal safety agency. The approximate failure mileage was 89,000.

Filed Aug 22, 2019 · Acceleration, Transmission · 106,000 miles · MN

The speedometer would intermediately stop working. When this is happening it would have a loss in power or begin to misfire. We have now stopped driving the vehicle because it down shifted extremely hard at road speed while along side another vehicle. The wife was extremely scared and I am afraid it will happen again and cause damage to the transmission.

Filed Aug 4, 2019 · Electrical, Engine · 65,000 miles · GA

A few months ago, around 65,000 miles, I was driving on the highway when I noticed a loss of power as I was trying to accelerate. At that same time, the check engine icon started flashing. I was unable to accelerate until the check engine icon stopped flashing. Everything went back to normal and I didn't experience this problem again for a couple of months. This would occasionally happen whenever I'd try to overtake another car on the highway. These days at 78,000 miles, the vehicle intermittently runs rough.

Filed Sep 12, 2018 · Engine · 159,000 miles · CA

As I was merging on freeway, I experienced sudden loss of power and it could have resulted in fatalities since it was at rush hour. As I pulled over, the engine was bucking but regained power with sporadic bouts of loss during my drive home. There was a misfire on cylinder one and I replaced and tested all related components and then found out it was the cam phaser issue that plagues the triton engine. From reading other comments from both consumer and repair shop owners, it is simply a defective product from who else, the ford corp. Of course they blame the owner for lack of maintenance.

Filed Jun 16, 2016 · Engine · 107,000 miles · VA

Coming home from a trip engine started to misfire. Come to find out the # 3 spark plus exploded destroying the coil and and threads holding the spark plug in. Causing the need to re tap the threads.

Filed Sep 24, 2012 · Acceleration, Electrical · 60,000 miles · NY

During normal driving conditions, the car gave in rapid succession a number of warnings and the car began to run rough and shift erratically. One related to the stability control system and the other was a "etc engine failsafe mode". After restarting the car the stability control error persisted. The dealer replaced sensor assembly 6l2z*3c187*aa for ~ $1000 for the part and labor + the battery and indicated no other codes were stored relating to the fail safe warning. The fail safe warning returned a few weeks later and the dealer was unable to replicate or capture any codes over a 2 day period.

Filed May 23, 2012 · Engine · 54,000 miles · CA

Tl* the contact owns a 2004 lincoln navigator. The contact was driving 65 MPH when the engine stalled without warning. The vehicle was taken to the dealer. The dealer confirmed there was an engine misfire. The manufacturer was contacted and the vehicle was repaired. The VIN was unavailable. The failure mileage was 54,000 and the current mileage was 75,000.

Filed Jan 4, 2011 · Engine · 81,025 miles · WA

Water, vapor, condensation keeps getting on to the coil on plug assembly on the passenger side of my engine causing water build up, electrical failure, misfires and spark plug explosions in to my engine, causing fragments of metal and plastic to fire in to my engine. This has happened to me several times now, been repaired, and continues to happen. Despite 6 separate technical service bulletins, ford / lincoln have not recalled this problem with the 1999 to 2006 5.4l v8 engine, leading to thousands of people like me having to continually fix this problem, which is caused by a design / safety flaw in the engine / component construction. I was nearly killed today on the freeway because the truck hesitated and misfired while I was going up a large hill, stuck between two semi-trucks and I couldn't move out of the way due to failure to accelerate.

Filed Oct 22, 2010 · Engine · 44,102 miles · NJ

2006 navigator would keep misfiring even after coils were replaced. Dealer first reports it was a valve. After inspection valve was not the problem but a burnt head was the cause. Head went to outside shop for repair but the shop says now that the problem might be lower in the engine. A new engine is being suggested by the dealer but the warranty company may not pay. Car has 44000 miles currently.