2004 Ford F-150: hesitation when accelerating

Filed May 21, 2019 · Acceleration, Electrical · 233,000 miles · CA

Tl* the contact owns a 2004 ford f-150. The contact stated that the vehicle stalled and the accelerator pedal hesitated when depressed. As a result, the vehicle made an abnormal puttering sound while in drive. In addition, the electrical system failed. The spark plugs were changed multiple times. The vehicle was taken to an independent mechanic who stated that the spark plugs should not be touched because they were ford certified spark plugs and tear easily. A special onsite ford mechanic repaired the spark plugs. The accelerator pedal and stalling failures were not repaired. The manufacturer and dealer were not made aware of the failures. The failure mileage was 233,000.

Filed Jan 27, 2015 · Engine · 110,000 miles · TX

Tl*the contact owns a 2004 ford f-150. The contact stated that the engine hesitated on several occasions and that there was a tapping noise that progressed. The vehicle was taken to an independent mechanic, who replaced the spark plugs, fuel injectors and the plug wires. The contact stated that the failure recurred. The vehicle was taken to an authorized dealer. The technician diagnosed that the head gasket needed to be replaced. The manufacturer was notified of the failure. The approximate failure mileage was 110,000.

Filed May 23, 2014 · Engine · 119,000 miles · KY

Tl- the contact owns a 2004 ford f-150. The contact stated while driving various speeds, the vehicle would spontaneously hesitate. The vehicle was taken to an independent mechanic for diagnostic testing. The mechanic was unable to diagnose the failure. The contact independently performed a tune up on his vehicle and when he attempted to service the spark plugs he was unable to reach them. The manufacturer was notified of the failure. The vehicle was not repaired. The failure mileage was 119,000.

Filed Nov 2, 2012 · Acceleration, Body · 125,948 miles · ND

While attempting to accelerate onto a highway my vehicle sputtered and I was unable to get up to speed in a reasonable amount of time. Fortunately I was on a 4 lane highway and the approaching vehicles were able to avoid me by pulling into the passing lane. I brought my vehicle in for service and a corroded fuel pump control module was responsible for the hesitation. According to my mechanic, he categorized the problem as defective design. The module is mounted in a area susceptible to corrosion. This is a relatively easy fix however in my case the spare tire carrier had to cut off to access the module.

Filed Feb 10, 2012 · Engine · 95,000 miles · SC

Tl* the contact owns a 2004 ford f-150. While driving approximately 40 MPH the vehicle noticed the vehicle began to hesitate while accelerating and a heard a knocking noise in the engine. The vehicle was taken to the dealer for diagnostic testing. The technician stated the spark plugs had to be replaced. The dealer attempted to remove the spark plugs but one of the spark plugs was stuck in the head gasket and could not be removed; however, the head gasket would have to be replaced. The vehicle was not repaired. The approximate failure mileage was 95,000.

Filed Nov 22, 2010 · Acceleration · 69,500 miles · IL

Tl*the contact owns a 2004 ford f150. The contact was driving 68 MPH with the cruise control activated when the vehicle began to buck with hesitation causing the steering wheel to shake. Suddenly, the cruise control deactivated. The following day after the failure, the gear selector would not shift out of the park gear. The actuator switch was engaged whenever shifting into park. The vehicle was taken to an authorized dealer but they were unable to diagnose a failure code. The cruise control continued to not operate. The vehicle was not repaired. The failure mileage was 69,500. Updated 01/24/11 *bf updated 03/18/11

Filed Dec 8, 2009 · Transmission, Visibility · 98,684 miles · CA

Own a 2004 ford f-150 4 door. I have had to replace three of the fourpower window regulators. All three were still under warranty also, the transmission hesitation/loss of RPM/ while driving more so on the freeway when the RPM's reach about 1200/1500 or loss of RPM on deceleration. The dealer would not look at my tranny. Truck was still under warranty. Now 1 year later my tranny has gone out. I have no warranty and not sure how much it is going to cost to get replaced. I believe this all could have been avoided if the dealer would have just looked at my tranny when I asked while my vehicle was still under warranty. Mileage is approx. 98,684. Less than 99,000.

Filed Nov 4, 2004 · Acceleration · WA

While applying the accelerator pedal vehicle hesitated to accelerate. After applying the accelerator pedal numerous times vehicle accelerated. Vehicle was taken to the dealer for inspection, but mechanic was unable to duplicate the problem.

Filed Aug 21, 2004 · Transmission · TX

Purchased new fx4 02/04. Noticed terrible vibration, occasional hesitation, and transmission slipage. Took to dealer 7 times, various parts replaced. Problems not fixed. They finally said they knew about the problem but it couldn't be fixed.