How often should I change the spark plugs on my Ford Flex?
As a general rule, you should change the spark plugs on your Ford Flex every 30,000 to 60,000 miles, or about every 3-5 years. However, the exact recommended interval can vary depending on your driving conditions and the specific recommendations from Ford.
Why Changing Spark Plugs is Important
Spark plugs are a critical component of your Ford Flex's engine, responsible for igniting the air-fuel mixture and powering the engine. Over time, spark plugs can become worn down, fouled, or damaged, which can lead to a variety of issues, including reduced fuel efficiency, decreased engine performance, and even engine failure if left unchecked.
Ford Flex Spark Plug Replacement Interval
According to the Ford Flex owner's manual, the recommended spark plug replacement interval is:
- Every 30,000 miles for normal driving conditions
- Every 60,000 miles for severe driving conditions, such as towing, frequent idling, or driving in extreme temperatures
It's important to note that these are general guidelines, and your specific driving habits and conditions may require more or less frequent spark plug replacement. It's always a good idea to consult your owner's manual or speak with a Ford-certified mechanic to determine the best spark plug replacement schedule for your vehicle.
Signs Your Ford Flex Needs New Spark Plugs
Here are some common signs that it may be time to replace the spark plugs on your Ford Flex:
- Decreased fuel efficiency
- Rough idling or engine misfiring
- Difficulty starting the engine
- Reduced engine power or acceleration
- Increased emissions or exhaust smoke
If you notice any of these issues, it's a good idea to have your spark plugs inspected and replaced if necessary. Ignoring these warning signs can lead to more serious and costly engine problems down the road.
What year do Ford's have the spark plug problem?
Notorious Ford V8 spark plugs need an extended warranty
But for millions of owners of V8-powered Fords from the 2004 to 2008 model years, a spark-plug change can lead to an expensive, hours-long ordeal.
How often does Ford recommend changing spark plugs?
every 30,000 miles
Most spark plugs should be inspected every 30,000 miles or so, with replacements often being necessary around the 60,000-100,000-mile mark, but cleaning the area around them and pulling them out for a wipe-down can benefit several drivers.
What's the best spark plug for a Ford?
NGK 95605
The NGK 95605 spark plug is the top recommendation for Ford Ecoboost engines for several reasons. Material: Made from iridium, this plug is incredibly durable and can withstand high heat and electrical wear.
How do I know if I need to replace a spark plug?
Here are seven signs that are telling you that you need spark plug replacement on your vehicle.
- Your Vehicle is Difficult to Start.
- Your Engine is Misfiring.
- You Have Poor Fuel Economy.
- Your Engine Idles Rough.
- Your Car Doesn't Accelerate Easily.
- Your Engine is Loud.
- Your “Check Engine” Light Comes On.
What are signs of bad spark plugs?
What are the signs your Spark Plugs are failing?
- Engine has a rough idle. If your Spark Plugs are failing your engine will sound rough and jittery when running at idle.
- Trouble starting. Car won't start and you're late for work… Flat battery?
- Engine misfiring.
- Engine surging.
- High fuel consumption.
- Lack of acceleration.
How can you tell when spark plugs need to be replaced?
Here are four signs that it's time to replace your vehicle's spark plugs.
- The check engine light is on.
- Your car doesn't accelerate well.
- You hear strange noises.
- You visit the gas station more often.
- Your car won't start.
- The owner's manual says so.
- Benefits of replacing old or worn spark plugs.
Can you drive a car with bad spark plugs?
Ideally, you should replace them immediately. However, you can get by for a short while, as long as they aren't misfiring. Poor spark keeps fuel from being burned inside the combustion chamber. This reduces power and fuel economy, and it makes it harder for the engine to idle.
How do I know my spark plugs need to be changed?
Here are four signs that it's time to replace your vehicle's spark plugs.
- The check engine light is on.
- Your car doesn't accelerate well.
- You hear strange noises.
- You visit the gas station more often.
- Your car won't start.
- The owner's manual says so.
- Benefits of replacing old or worn spark plugs.
How much does it cost to replace spark plugs in a 2017 Ford Flex?
The average cost for a Ford Flex Spark Plug Replacement is between $201 and $240. Labor costs are estimated between $150 and $189 while parts are typically priced around $51. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.
How many miles do factory spark plugs last?
On average, the life of classic spark plugs is not more than 30,000 miles, and that of platinum and iridium is not more than 55,000 miles. The following are signs of malfunction that indicate the need to replace the spark plug: Deposits of ash or oil, soot, varnish or slag, melted or discolored electrodes.
