Mazda MX-5 Throttle Body Repair – LFE2 13 640 A / K4238 Fits 1.8L Models (1998–2005)
From January 1st, 2026, we will be strictly Trade Only for New Zealand Info here
Price Exclusive of GST
Our minimum assessment fee is $150 + GST (Excluding Headlights) this just covers the time to check the unit over. If you go ahead with the repair, we’ll put this towards the total cost. Our full terms of trade is the link can be found here
International Customers:
When sending a unit from overseas, please declare it as “Repair and Return” with a low customs value (around $100 USD) to avoid unnecessary import fees. - All Repair Prices are quoted in NZD
Mazda MX-5 Throttle Body Repair – LFE2 13 640 A / K4238
Fits 1.8L Models (1998–2005)
This is a repair service for the electronic throttle body used in Mazda MX-5 (Miata) vehicles equipped with the 1.8L engine, manufactured between 1998 and 2005. These units commonly suffer from throttle response issues, idle control faults, or sticking valves.
Common Symptoms:
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Unstable or high idle
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No throttle response or limp mode
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Check Engine Light (CEL) with throttle-related fault codes
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Sticky or unresponsive throttle plate
What We Do:
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Disassembly and internal inspection of the throttle mechanism
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Cleaning of throttle valve and position sensor area
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Repair or replacement of faulty sensors, motor drivers, or tracks
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Bench testing for smooth and responsive operation
Compatible With:
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Vehicle: Mazda MX-5 / Miata
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Engine: 1.8L petrol
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Years: 1998–2005
OEM / Reference Part Numbers:
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LFE2 13 640 A
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K4238
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0811003463J19
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0811003463J16
Turnaround Time: 2–4 business days
Warranty: 12 months on repaired components
💡 Restore factory throttle response and drivability by repairing your original throttle body — no reprogramming required.