Specialized ECM Lab
Precision ECM Repairs
Specialized bench diagnostics, circuit remanufacturing, and hardware connector restoration for Keihin ECM units.
Direct Checkout • Sale
ECM Repair - Knock Circuit (FI Code 25/26)
$645
Standard: 2–4 Weeks • Priority: 1 Week – 10 Days (+$100) • Prepaid Inbound & Return Shipping Included
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Select Your Vehicle
Pick your model to see its current price and start your prepaid mail-in repair.
Not sure if your AquaTrax is 2-plug or 3-plug? Match your ECM's part number:
- 38770-HW2-731 — 2005–2007 F12 (2-Plug)
- 38770-HW4-681 — 2004–2006 R12 (2-Plug)
- 38770-HW3-673 — 2003–2007 R12X (2-Plug)
- 38770-HW1-691 — 2004–2007 F12X (2-Plug)
- 38770-HW2-691 — 2004 F12 (2-Plug, discontinued part #)
- 38770-HW2-682 — 2002–2003 F12 (3-Plug)
- 38770-HW1-674 — 2002–2003 F12X (3-Plug)
