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Catalogue Version: 54.37.39.38 * Rows that are mustard coloured denotes diesel engines Submit Part EnquiryLearn to change the spark plugs on a Mazda with a four-cylinder engine. These instructions apply to many models, including Mazda 2, 3, 5, 6, 323, CX-5, CX-7, CX-9, CX-50, etc. Replacing spark plugs on a Mazda engine requires a few essential tools and two hours of labor. Symptoms
What you will needReplacing the spark plugs on a Mazda requires a few essential tools and parts. Tools Required
Parts Required
ProcedureThe following instructions show you how to change spark plugs on a Mazda four-cylinder engine. This is one of the most common Mazda engines on Mazda 3, Mazda 5, Mazda 6, CX-5, and CX-7.
Replacing the spark plugs on a Mazda is a straightforward procedure that can save you hundreds of dollars. Mazda Spark Plug Replacement IntervalThe recommended interval spark plug replacement for most Mazda vehicles with a four-cylinder engine is every 75,000 miles. This value can vary depending on the spark plug type installed in the engine. Check the owner’s manual to verify. Copper spark plugs on older Mazda vehicles must be replaced every 30,000 miles. Torque SpecificationsTighten the spark plug to:
Spark Plug GapMazda factory spark plug gap is typically in the .045 to .057 range. Iridium spark plugs such as Denso Iridiums for Mazda come pre-gapped at 0.044 and should not be changed. NGK Spark Plugs for Mazda come pre-gapped at 0.054. Do not gap iridium spark plugs. We hope you find the Mazda 4 Cylinder Engine Spark Pug Replacement guide helpful. Check these troubleshooting and repair guides for more help on your Mazda. When should I change my spark plugs Mazda 6?Typically experts say to replace them every 30,000 miles, but this varies depending on your model. Learn more about when to replace these spark plugs with us at Auffenberg Mazda and get back on Fairview and Collinsville roads with the help of our service department.
How often should I change the spark plugs in my Mazda?Most drivers aren't sure how often to change the spark plugs in their Mazda models. It's typically recommended that they be replaced every 30,000 miles, but this depends on your specific model.
How many miles should spark plugs be changed?And as a general rule for “how long do spark plugs last,” 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 much does it cost to replace spark plugs Mazda?The Best in Auto Repair
The average cost for a Mazda 3 spark plug replacement is between $189 and $218. Labor costs are estimated between $88 and $110 while parts are priced between $101 and $107. This range does not include taxes and fees, and does not factor in your specific model year or unique location.
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