Ignition Coil and Iridium Spark Plugs for Mazda Protegé (2001-2003) 2.0L

High-Conductivity Ignition Coil and Iridium Spark Plug Kit for 2001-2003 Mazda Protegé

What it Does: Replaces degraded factory coil packs and aged plugs with high-dielectric assemblies to restore consistent secondary ignition voltage, eliminate cylinder misfires, and stabilize engine idle.

The Stock Protegé Ignition Breakdown

The 2.0L FS-DE engine in the BJ-chassis Protegé relies on a two-coil wasted-spark ignition configuration mounted directly atop the cylinder head. Constant exposure to extreme valve-cover heat cycles causes OEM coil insulation and epoxy potting to crack over time. This thermal fatigue induces internal primary and secondary copper winding shorts, dielectric breakdown, spark energy loss, and chronic P0300-P0304 misfire codes under load.

The Engineering Solution

This direct-replacement kit pairs two reinforced ignition coil packs with four premium fine-wire iridium spark plugs. The coils feature high-density internal copper windings insulated with premium epoxy resin to withstand extreme engine bay heat without dielectric leakage. Matched with iridium plugs requiring lower firing voltages, this kit ensures a rapid, sustained flame kernel, clean fuel burn, and consistent spark delivery across the entire RPM band.

Technical Specifications

Compatibility

• 2001-2003 Mazda Protegé (ES, LX, DX) 2.0L L4
• 2002-2003 Mazda Protegé5 2.0L L4
• 2001 Mazda Protegé MP3 2.0L L4
• 2003 Mazda Mazdaspeed Protegé 2.0L L4

The Mazda Tuner Standard

Engineered to maintain proper spark delivery in the high-revving FS-DE platform, this kit restores crisp throttle response and smooth combustion characteristics across your BJ chassis Protegé.