Can a Ford F-150 lose power under load?

04 F-150 has lost power under load. I have the 5.4 Triton. A couple of months ago I noticed a major reduction in power. Have Ford questions? Ask a mechanic for answers ASAP By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.

Is there a 5.4 Triton with no power?

I have the 5.4 Triton. A couple of months ago I noticed a major reduction in power. Dealership suggested changing plugs since no check engine light was on. $785.00 and 6 broken plugs later the truck still has no power. I changed the fuel filter which was a little dirty. Then I paid another $650.00 to have the fuel pump replaced.

What causes acceleration loss in 2005 Ford F-150?

Remove and clean the throttle body. My 2005 F-150 started doing it again last night. It’s intermittent at first then more often until you clean the throttle body. Hope this helps! Acceleration loss Oil Spark plugs Fuel pump Fuel filter Air flow sensor …

What kind of truck loses power under load?

04 F-150 has lost power under load. I have the 5.4 Triton. A couple of months ago I noticed a major reduction in power. Dealership suggested changing plugs since no check engine light was on. $785.00 and 6 broken plugs later the truck still has no power.

Why does my 2005 Ford F-150 not start?

Mine just plum feel like I have no gas petal on my 2005 f150 5.4 triton and we just changed out the fuel pump, fuel filter, all the o2 sensors, mass flow sensor. I’m so lost at this point. It was at least starting and trying to run before we put the new fuel pump in it and now it won’t even start

What was the problem with my 2002 Ford F-150?

I had the same problem with my 2002 F-150. Turns out it was a loose sparkplug. Plug finally BLEW off the cyclinder head, took the coil pack out with it. (second time it has happened to me on THIS cyclnder) Changed both plug and Coil pack…

Is there no gas petal on 2005 F150?

9 people found this helpful. Mine just plum feel like I have no gas petal on my 2005 f150 5.4 triton and we just changed out the fuel pump, fuel filter, all the o2 sensors, mass flow sensor. I’m so lost at this point.

What causes a Ford F-150 engine to turn off?

5.4 Triton Engine Failure of the Fuel Pump Driver Module This problem is typical for the Ford F-150 with a 5.4 Triton engine. Failure of the fuel pump driver module usually cuts off the petrol feed to the engine which, of course, causes the engine to turn off, thus cutting power to all essential systems.

What kind of fuel economy does a F150 5.4 get?

Bought a 2004 F150 5.4 SC about 2 months ago. 130K miles. Truck ran flawlessly, with typical 5.4 performance. First tank was around 16mpg, so I installed K&N’s fipk and the Edge programmer.

What was the problem with my Ford F150?

To save someone some time, the bottom line of the problem was a faulty brand new MotorCraft spark plug. I may have also had a bad COP and spark plug, which I fixed early on. My problem was prolonged by a faulty new spark plug, which caused me to chase my tail.

What causes a Ford F-150 engine to misfire?

Damaged fuel lines cause the engine to misfire and can possibly start a fire in the engine. Dirt or rust in the fuel tank will clog the filter. This is more of a problem for older trucks than newer models. Figure 2.

What is fuel injector 4 on Ford F150?

I tested fuel injector #4 with a meter. I tested just a few minutes after running the engine for 30 seconds. It gave me some funky reading. It would jump from 1 ohm to 159 to 70 to 12 to 35 and so on. The other injectors on that side of the engine measured between 14 to 18 ohms.

When does a 2004 F150 5.4L misfire?

My 2004 F150 5.4L (90,000 miles) misfires when moving from coasting or deceleration to acceleration. The misfire continues until the transmission downshifts and lightens the engine load. This occurs at any speed as long as the auto transmission is in highest gear with OD engaged. No check engine light.

Where did the 2004 Ford F-150 engine come from?

This truck was a headaches from the day I bought it. Spark plugs all broke while changing them. Stay away from the 2004 Ford F150. It all began when I first bought the truck from a used dealer in Clarksville tn. I had no idea about the issues surrounding the 5.4 liter motors other than the cam phaser problems many had posted on ford forums online.

Is the Ford F-150 engine always running rough?

The ball has been checked to you Ford motor company will you continue to act as if this problem never existed as you replace the powertrain in your more recent models because you know it always has existed?

Can a Ford truck have an igntion Miss?

Symptoms can mimic an igntion miss exactly so maybe the mechanic is barking up the wrong tree. There is also a Ford factory bulletin about an “incompatible” (not defined as to how) transmission fluid being provided by several suppliers during the time this truck was built.

Is there a problem with my Ford F-150?

I have a 2013 f150 eco boost. I can be driving the rpm start going up and truck start jumping. Loose power. Anyone have an answer. If please email me at [email protected] that thanks 1 people found this helpful. @robert….having the same issue as you….have you found the problem &/or fix? 2 people found this helpful.

Is there no power at high rpm in Ford 5.4?

Ford 5.4 No power at high RPM ( Passing gear ), fuel clatter when lugged, squeal when revved in N, and light ticking sound on right side of engine at idle. Replaced fuel filter…had scanned with Snap on scanner.

Why does my F150 engine have rough idle?

As stated before, vacuum leaks on this engine are common (PCV system) for example. But could be ignition misfire. Codes would be nice to know. Find and repair misfire on # 1 cylinder, also check for vacuum leak on that same side of the engine, pass. side is bank 1. Could be plug, plug wire, injector, vacuum leak or low compression.

What causes a Ford F-150 to bog down when going up hill?

Acceleration loss Oil Spark plugs Fuel pump Fuel filter Air flow sensor Has power with overdrive off but hesitates and Boggs down when going up hill with overdrive on and acts sluggish when cruising at low speeds with overdrive on. When you step on the gas halfway to the floor or more it Boggs way down before accelerating.

Why does my Ford truck have a sluggish feel?

Air filters play a crucial part in how your car performs and are directly related to gas mileage and torque. These components are subject to wear and can often get dirty. When they get really dirty, they get clogged, thus preventing the air to flow easily into the engine, which results in a sluggish feel.

What makes a Ford F-150 hesitate when accelerating?

Driving 2011 ecoboost f150. At 70-80 mph when quick passing a vehicle the truck shutters. I thought it was the transmission. Just started. Any ideas. 37 people found this helpful.

Why does my Ford truck keep losing power?

However, this is a process built into Ford trucks that runs to rid the extra particles in the exhaust system, and is an emission related recycling process. It can occur almost anytime between 100 and 600 miles of driving the truck. This is not something that requires repair. However, the filter will likely need to be changed around 120k miles.

Is the exhaust leaking on a Ford 5.4?

No misfire or jerk and the gaskets have no sign of exhaust leak. Just has a lot RPM, but does not seem to transfer that power to the wheels. It actually looses speed.

Why does my Ford 5.4 make a tick noise?

The tick noise is usually from oil sludge in the valve train. To correct this, get the vehicle to operating temp. Pour one gallon of kerosene into the oil fill, now run the engine at about 10% throttle in park for one minute. now shut the van off for one hour then repeat. now drain the oil and filter overnight.

Where is the TPS sensor on a Ford F-150?

TPS sensor it’s called a throttle position sensor that’s what I had to replace on my truck I would press the gas and it really wouldn’t get up and go like it should 16 people found this helpful. He is correct it is the vehicle speed sensor should be on the top of the differential. It’s a sensor just unplug it, two clips and a bolt

What kind of acceleration does a Ford F150 have?

Have 07 f150 4.6 2valve with similar issue went from really awesome pickup from stop or passing on highway speeds and 19 mpg to 11 mpg just barely ok acceleration from stop to hard to get from 55 to 70 mph. Constantly shifting down or stay in that gear just trying to stay at 65 or 70.

Is there a problem with the Ford F-150 Triton engine?

Ford technicians will diagnose the problem, identify misfiring cylinder (s), and replace the spark plug and coil where needed. This problem is typical for the Ford F-150 with a 5.4 Triton engine.

Why does my Ford F-150 stall while driving?

While driving it losed power as if choking a little, but now it got worse. It chokes while accelerating and sounds as if exploding, when I let go it keeps driving; if I accelerate again it does the same but it doesn’t stall. If I turn it off for 5 seconds it works for 10 minutes and then it fails again.

Why does my Ford F150 shake when pulling uphill?

I have a ’99 F150 with the 5.4 Triton. When truck is idling, it runs fine and doesnt miss a beat. But when accelerating or pulling uphill, it becomes sluggish and misses, causing the truck to shake and sputter. I am looking for common solutions, since the truck refuses to give me a check engine light, so i cant run a diagnostic on it.

Can a Ford F-150 lose power under load?