When is the best time to replace spark plugs?
One of their many services is replacing old spark plugs. Most of them are open all year round, 6 and sometimes 7 days a week. These shops provide services for customers all day long.
How to replace a variable valve timing ( VVT ) solenoid?
Step 15: Re-route anything moved aside. Anything secured with a bungee should be set back into place. Step 16: Install the engine cover. Re-install the engine cover that was removed.
How does variable valve timing work on Ford 5.4 engine?
Late model Ford 5.4 engines use variable valve timing (VVT) Ford Variable Valve Timing Mechanism mechanisms to advance and retard timing to correspond to driver demand. The VVT systems work by pulsing oil pressure into an hydraulic mechanism that advances and retards the camshaft.
How does the pulsing work in a VVT system?
The pulsing is performed by a solenoid which is commanded by the PCM. Using the recommended oil viscosity and type and changing the engine oil on time is CRITICAL to the operation of the VVT system.
When is the best time to change spark plugs?
When to Check & Change a Spark Plug Not all spark plugs are rated for 100,000 miles. In fact, some carmakers recommend replacement at 30,000-mile intervals. Always follow the spark plug service intervals shown in your owner’s manual to figure out when to replace spark plugs.
Can you change Park plugs in a V-6?
The answer depends on the type of engine in your vehicle. Some V-6 models require removing portions of the intake manifold to replace the park plugs. If you’re not comfortable with that, take your vehicle to a pro. But if your engine affords easy access to the rear bank, you can probably do the job yourself.
Can a check engine light be a spark plug problem?
For many people, the check engine light might be the only sign; your engine is having spark plug problems. The (ECM) is far more sensitive than many drivers and can detect a single cylinder misfire. If you get a check engine light along with slight jolts while accelerating, the spark plugs could be to blame.
How to change the spark plug on a car?
Lube the Spark Plug Boot and Button It Up 1 Apply a thin coating of dielectric grease around the inside of the spark plug boot before reinstalling the coil. 2 Reinstall the ignition coil, hold-down bolt and coil electrical connector. 3 Reinstall the air cleaner and vanity cover and fire it up.