4.6L and 5.4L Spark Plug Replacement, Cylinder by Cylinder. An army of extensions and flex joints are required to reach the various spark plugs. Four different extension variations are required to change all 8 spark plugs.

How often should you change spark plugs in a Ford f150?

At 100,000 miles, you’ll need to have your spark plugs replaced and your orange coolant changed. During this visit, you’ll also want to have your accessory drive belt inspected and replaced, if necessary.

How do I change a spark plug?

Use a wire brush or compressed air to clean up around the wire connections and make sure you’ve got a good, clean port. Replace the wires if necessary. Insert the new plugs and tighten with your ratchet. Using the spark-plug socket, remove each plug from the engine, and replace each with a new spark plug.

How many valves does a 5.4 Triton have?

Ford 5.4L Modular V-8 Specs

Chain driven single overhead camshaft (SOHC), available in 16 valve (2 valves per cylinder) or 24 valve (3 valves per cylinder).

What is the spark plug gap on a 4.6 Ford?

The proper gap for spark plugs is always listed on the underhood emissions label. The gap for 2v 4.6L and 5.4L engines is . 054 to . 056 inches.

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Can you drive with a blown out spark plug?

3 Answers. Do not drive the car. The reason you can smell gasoline is because unburnt fuel is escaping through the hole. If enough fuel air mix collects under your hood and it finds a spark or ignition source, you risk a fire under your bonnet.

Also to know, what year did Ford stop using 2 piece spark plugs?


Also, is the Triton 5.4 A good engine?

The 5.4 2Valve engine is one of the most reliable engines ever. The 3 valve has VCT issues sometimes that can kill the engine. But any engine has to be maintained properly. Good maintenance and a light right foot will get maximum service.

How much horsepower does a 5.4 Triton v8?

Supercharged. Used in high-performance vehicles, such as the SVT Lightning, the modified version of the 5.4-liter V8 Triton gets 380 horsepower when operating at 4,750 RPM, puts out 450 ft. -lbs. of torque at 3,250 RPM and redlines at 5,250 RPM.

Is the Ford 5.4 a good engine?

The 5.4 is an excellent TRUCK engine. The early 5.4 had a problem with spark plug blowouts but I think that was due to people not taking the time to change the plugs properly because they are a pain to change.

How do you adjust the gap on a spark plug?

Use the tool to adjust the bottom electrode.

When you hold the spark plug with the electrodes facing the floor, you’ll want to bend the bottom one very gently either in toward the other electrode if you want to narrow the gap, or out, if you want to increase the gap slightly.

How do you test a coil pack?

Test the coil with a multimeter. Disconnect the coil pack’s electrical connector then remove the coil pack from your car’s engine using a wrench. Set the ohmmeter/multimeter to 200 ohms range then turn it on. Using a meter lead, attach the spark plug wire terminal to each coil.

What brand spark plugs does Ford use?

Today, you may find some GM or Ford engines factory-equipped with Bosch spark plugs, Mazda engines equipped with Motorcraft spark plugs, Chrysler engines equipped with NGK or DENSO spark plugs, and so on. Most late model Saturn engines use NGK spark plugs.

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What is a coil pack on a Ford f150?

The modern F150 uses individual ignition coils. These are also referred as “coil on plugs”, “coil packs” and “cops” (coil on plug system). These are a frequently replaced part in the ignition system for the F150 trucks. When one goes bad, it is recommended to replace all 8 coils if they are several years old.

What year f150 to avoid?

The 2004 Ford F-150 could very well go down as the worst pickup to ever come from that specific series. A massive reason behind this is the fact that this model possessed one of the worst engines in the history of the automobile world, so it was prone to having a lot of breakdowns.

Correspondingly, 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!

Does Ford still make the 5.4 engine?

It was introduced in 1997 and used in F-series through 2010, and it is still available in the E-series vans. Although this engine has some issues, as most engines do, they have mostly been resolved, and the overall consensus is that this is a highly reliable engine.

What year did the 3 valve 5.4 come out?


How much does a spark plug socket cost?

On average, spark plugs usually can cost around $30 while going to a mechanic might add between $100-$200 in labor costs (assuming the mechanic charges $100/hour for their time).

Why do Ford spark plugs break?

Because the original spark plugs can weld themselves to the cylinder head and break into pieces when someone tries to unscrew them, leaving the bottom of the plug stuck inside the cylinder head.

How often should you change spark plugs?

If you check your owner’s manual, you’ll probably find that your automaker recommends you replace your spark plugs roughly every 30,000 miles. That’s fine if you’re using stock spark plugs. However, the actual timing of replacement will vary depending on other factors.