2004 Ford Thunderbird: misfire or rough idle

Filed Sep 27, 2021 · Engine · 40,526 miles · MS

The contact owns a 2004 Ford Thunderbird. The contact stated while driving at an undisclosed speed, the contact approached a stop sign and the vehicle stopped as needed; however, after the contact depressed on the accelerator pedal, the vehicle began to misfire and shuddered for several minutes. The contact took the vehicle to the local dealer who inspected the vehicle and diagnosed that the failure was related to TSB 05-16-2 (moisture build up on the plugs and on the cylinder) that caused the vehicle to misfire. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 40,526.

Filed May 4, 2017 · Engine · NJ

2004 ford thunderbird. Consumer writes in regards to defective ignition coils causes engine to mis-fire, dealership replaced defective coils under extended one-time warranty repair. Consumer states engine mis-fire still exists. *smd the consumer stated the engine misfired due to defective ignition coils. Two coils were replaced under warranty. The dealer would not replace any other coils that had not experienced any failure. The failure recurred. The check engine light illuminated. The vehicle was unable to be driven. Updated 05/4/2017

Filed Sep 12, 2014 · Engine · 34,200 miles · CA

Tl* the contact owns a 2004 ford thunderbird. The contact stated that while driving at approximately 60 MPH, there was an abnormal noise coming from the vehicle. The contact also stated that the vehicle stalled and the check engine warning light illuminated. The vehicle was taken to a dealer where it was diagnosed that the ignition coils were misfiring. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 34,200.

Filed Aug 22, 2013 · Engine · 30,000 miles · TN

Tl* the contact owns a 2004 ford thunderbird. The contact stated that while driving approximately 55 MPH, the engine misfired and lost throttle response without warning. The vehicle was taken to a dealer where it was diagnosed that the coil over plug assembly needed to be replaced. The manufacturer was notified of the failure. The vehicle was not repaired. The approximate failure mileage was 30,000 and the current mileage was 36,000. The VIN was not available.

Filed Jul 5, 2013 · Engine · 97,512 miles · LA

Tl* the contact owns a 2004 ford thunderbird. The contact stated that while e driving 20 MPH, the engine misfired. The failure recurred frequently. The vehicle was taken to a dealer, who stated that there were two ignition coils that failed. The ignition coils were replaced however, the contact later noticed oil on several cylinders in the engine. The failure was not corrected. The failure was reported to the manufacturer. The failure and current mileage was 97,512.

Filed Dec 20, 2011 · Engine · 18,500 miles · CA

Tl* the contact owns a 2004 ford thunderbird. The contact stated that when starting the vehicle, the engine would misfire and lose throttle response. The vehicle later stalled and was taken to the dealer. The dealer advised the contact that the misfire was due to a faulty engine coil. The dealer replaced the engine coil but the repair did not remedy the failure. The failure mileage was 18,500. Updated 01/18/12