A Guide to Spark Plugs for the 1995-2000 Ford Contour
Keep your Contour's engine running smoothly by choosing the right spark plugs for your 2.0L or 2.5L engine.
- Confirm if you have the 2.0L I4 or 2.5L V6 engine, as parts and labor difficulty differ greatly.
- Stick with OEM-equivalent brands like Motorcraft, NGK, or Denso for best results.
- Always verify the spark plug gap before installation; do not trust that they are correctly pre-gapped.
- For the V6 engine, be prepared for a more complex job that may involve removing the intake manifold to reach the rear plugs.
Symptoms of Failing Spark Plugs
When your Contour's spark plugs are wearing out, your car will tell you. You might notice one or more of these signs:
🎬 Watch this video to see common symptoms of bad spark plugs.- Rough Idling: The engine may shake or vibrate more than usual when you're stopped.
- Poor Acceleration: The car may feel sluggish or slow to respond when you press the gas pedal.
- Reduced Fuel Economy: You may find yourself filling up the gas tank more often than you used to.
- Engine Misfires: The engine may stumble or hesitate, sometimes causing a jerking sensation while driving. This can trigger the Check Engine Light.
- Difficulty Starting: A weak spark can make it harder for the engine to turn over, especially in cold weather.
Engine Differences are Key
The 1995-2000 Ford Contour was available with two very different engines: the 2.0L 4-cylinder (Zetec) and the 2.5L V6 (Duratec). These engines use different spark plugs and the replacement process varies significantly. Always confirm your engine size before buying parts.
Choosing the Right Aftermarket Spark Plugs
When shopping for new spark plugs, you'll see different types and brands. For the Ford Contour, sticking with plugs that meet original equipment (OE) specifications is highly recommended. Ford's ignition systems can be sensitive, and using the wrong type of plug can sometimes cause performance issues.
OEM vs. Aftermarket Quality
Motorcraft is Ford's original equipment brand. You can't go wrong with these, as they are what the car was designed to use. However, high-quality aftermarket brands like NGK and Denso often manufacture the parts for Motorcraft, so their own branded plugs are excellent alternatives. Brands like Autolite and Champion are also well-regarded and offer a good balance of quality and value. Some owners have reported issues with gimmick plugs like those with multiple electrodes, so it's often best to stick with traditional single-electrode designs.
Spark Plug Materials
- Copper: These are basic, affordable plugs. They offer good performance but have the shortest lifespan and will need to be changed more frequently.
- Platinum/Double Platinum: These were the original type for many Contours. They last much longer than copper plugs. Double platinum plugs are recommended for the Contour's waste-spark ignition system.
- Iridium: These are the most durable and longest-lasting plugs available, often exceeding the performance of platinum. Many owners upgrade to iridium plugs for extended life and consistent performance.
Pro Tip: Always Check the Gap
Even if spark plugs are advertised as "pre-gapped," you should always verify the gap with a feeler gauge before installation. An incorrect gap can lead to misfires and put extra stress on your ignition coil. 🎬 See how to fix a misfire by replacing the coil pack. The correct gap for both the 2.0L and 2.5L engines is generally between 0.050" and 0.054". Always check the underhood emissions sticker for the exact specification for your vehicle.
| Category | Price Range (Per Plug) | Total for 4-Cylinder | Total for V6 |
|---|---|---|---|
| Budget Aftermarket (Copper/Platinum) | $3.91 - $7.00 | $15.64 - $28.00 | $23.46 - $42.00 |
| Premium Aftermarket (Double Platinum/Iridium) | $7.01 - $20.64 | $28.04 - $82.56 | $42.06 - $123.84 |
| OEM (Motorcraft) | $5.00 - $11.00 | $20.00 - $44.00 | $30.00 - $66.00 |
Frequently Asked Questions
How often should I change my Ford Contour's spark plugs?
It depends on the type of plug. Standard copper plugs may need changing every 30,000 miles. Platinum and double platinum plugs can last 60,000 to 100,000 miles. Iridium plugs often have the longest life, sometimes exceeding 100,000 miles.
Is it hard to change the spark plugs myself?
For the 2.0L 4-cylinder engine, it's a relatively easy job. 🎬 Watch this walkthrough for removing spark plugs on your Contour. For the 2.5L V6, it is much more difficult because the upper intake manifold often needs to be removed to access the rear three spark plugs. This adds significant time and complexity to the job.
What is a "waste spark" system?
The Contour uses a waste spark ignition system, which means one coil fires two spark plugs at the same time – one in a cylinder on its compression stroke and the other in a cylinder on its exhaust stroke. This is why using double platinum plugs is recommended; they are designed to fire effectively regardless of polarity, which is reversed on one of the paired plugs.
Do I need to replace my spark plug wires at the same time?
It's a good idea. Spark plug wires carry the high voltage from the coil to the plugs. They degrade over time and can become a source of misfires. Replacing them with the plugs ensures the entire secondary ignition system is in top shape.
Helpful Videos
Technical Specifications
OEM Part Numbers: AZFS-32F-E AWSF-32F AGSF-32F-MX AZFS-22F-E SP-432 SP-469-X
Spark Plug Gap (2.0L I4): 0.050" - 0.054" Spark Plug Gap (2.5L V6): 0.052" - 0.056" Socket Size: 5/8 inch
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
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