You can change them now if you want, as they are cheap, but you should change them probably
before about 75k miles
.
What year 5.4 have spark plug problems?
The original equipment Motorcraft brand spark plugs that were factory installed in many late model (2004 to 2008) Ford trucks with 5.4L V8 and 6.8L V10 engines,
2005 to 2007
Mustang GT 4.6 & 5.4L V8 engines, and 2008 Mustang GT models built prior to 11/30/07) can break when you attempt to remove them!
How often should you change spark plugs in a Ford f150?
Ford advises to change the plugs at
100,000 miles
on an F-150, Explorer and other models under “normal” driving conditions. If a vehicle frequently tows a trailer or spends a lot of time in stop-and-go traffic or idling, then Ford suggests installing fresh plugs every 60,000 miles.
At what mileage should spark plugs be replaced?
And as a general rule, we recommend replacing spark plugs
every 30,000 miles
, which falls in line with most manufacturers’ recommendations. You can check your owner’s manual or the manufacturer’s website for information specific to your make and model vehicle.
How long do 5.4 Triton engines last?
I have been throughly impressed with the reliability of this truck, even with having not always kept up the maintenance as well as I should have. Change your oil on schedule, keep the air clean, and change your coolant and transmission fluid/filter as recommended, and you should be fine for another
7 years
.
Does Ford recommend transmission flush?
Recommendations from Ford include
a full flush
rather than just a drain and replace. If you find that your car is slipping out of gear, it may be time for a transmission flush. … Always check your owner’s manual to determine how to check the transmission fluid properly and safely.
What years of Ford trucks had problems with spark plugs?
When it comes to Ford 4.6 spark plug problems, the years
2004 through 2008
were troublesome for the F-Series. Likewise, Ford 5.4 spark plug problems have been common on models from these years as well. One of the most complicated Ford truck spark plug problems has been the issue of plugs that won’t come out intact.
How do I know if my spark plugs need changing?
- Rattling, pinging or “knock”-like noises. When spark plugs begin to misfire, you may notice unusual noises from the force of the pistons and combustion not working properly. …
- Hard vehicle start. …
- Reduced performance. …
- Poor fuel economy.
What happens if I don’t change my spark plugs?
Spark plugs will depreciate over time, so various engine issues will arise if they are not replaced. When the spark plugs do not generate the adequate spark,
the combustion of the air/fuel mixture becomes incomplete
, leading to loss of engine power, and in the worst-case scenario, the engine will not run.
How long do spark plugs last in years?
When your engine is functioning correctly, spark plugs should last between 20,000 and 30,000 miles. The U.S. Federal Highway Administration clocks Americans’ average annual mileage at 13,476. Break this down into spark-plug life expectancy, and it comes to
between 1.5 and 2.25 years
.
Is the 5.4 Triton reliable?
Anyways, the
5.4L Triton is a pretty reliable engine
. Keep up with maintenance and repairs as they pop up, and chances are the 5.4 V8 will hold up beyond 200,000 miles. There’s a reason Ford stuck with these engines for roughly 2 decades.
Is the 5.4 Triton a bad motor?
Like Ford’s 4.6L V8s, the Modular 5.4L Triton engine has
similar common problems
for their engine family, which included blowing spark plugs and spark plug threads stripping (1997-2003 model years), stuck spark plugs due to a gap between the plug and the cylinder head which gets filled with carbon deposits (typical for …
How often should you change oil on 5.4 Triton?
Your engine oil should be changed
every 5,000-10,000 miles
, depending on your vehicle’s model year and driving conditions. Many newer Ford vehicles have an Intelligent Oil-Life Monitor that can help you keep track of when an oil change is needed.
Why You Should Never flush your transmission fluid?
Transmission fluid is highly detergent which can wash the varnish off clutches, causing it to slip.
Pressure flushing can cause aging seals to start leaking
. When it leaks more than a quart it could burn up the unit.
What is better transmission flush or drain?
Proponents of transmission flushes will often argue that a
flush
is a better service because it replaces more of your transmission fluid. It’s true that removing your transmission pan or draining your transmission via its drain plug (as your car manufacturer intends) only removes about 70% of the fluid inside.
Should I change my transmission fluid after 100k miles?
Yes,
you should change transmission fluid after 100k miles
. Before this needs to be done, the service intervals for new vehicles can be over 100,000 miles.