Healey Westland C2655 Engine Trouble Code
What is Healey Westland C2655?
The Healey Westland C2655 check-engine light can indicate issues ranging from minor (loose gas cap) to serious (catalytic converter failure). Professional diagnostic scanning at a dealer or shop will identify the exact cause and required repairs.
C2655 on the Healey Westland
The Healey Westland uses a dual-port fuel injection architecture that is sensitive to ethanol content variations. When E10 fuel is substituted with E5, or vice versa, the fuel trim corrections can cross the DTC threshold and store C2655 in the ECU.
Code Information
| Code Type: | OBD-II Chassis (C) Trouble Code |
| System: | Chassis |
| Vehicle: | Healey Westland |
| Brand: | Healey |
| Model: | Westland |
| Code: | C2655 |
C2655 Healey Westland Symptoms
Check Engine Light
Illuminated Healey Westland dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration on the Healey Westland
Starting Problems
Difficulty starting the engine
Poor Fuel Economy
Increased fuel consumption on the Healey Westland
Increased Emissions
Failed emissions test due to C2655
C2655 Code Structure
Understanding what each digit means in the C2655 chassis trouble code:
| C | 2 | 6 | 5 | 5 |
|---|---|---|---|---|
| Chassis Code | Fuel And Air Metering (Injector Circuit Malfunctions Only) | Fuel Temperature Sensor B Circuit Range/Performance | Cylinder 1 Injector Circuit Low | Crankshaft Position Sensor B Circuit Malfunction |
How to Fix Healey Westland C2655
Diagnostic Steps:
Check if fuel pump primes when key is turned to ON. Measure fuel pressure and verify bright white-blue spark at all plugs. Also verify mechanical timing alignment.
Repair Solution:
Disconnected, dirty, or fouled spark plugs commonly prevent proper engine operation. Replace spark plugs every season or 25 hours. Verify proper spark plug gap. If plugs are good, check ignition components: spark plug wires, coils, and ignition module.
Technical Notes:
Parts or components should not be replaced based solely on C2655 DTC. Consult your vehicle service manual for proper diagnostic procedures, possible causes, and required testing before replacement.
Healey Westland C2655 Repair Cost
ECU software update for the Healey Westland to resolve the C2655 calibration bug is performed free of charge at a franchised Healey dealer under the technical service bulletin programme. Always confirm the ECU part number and current flash version before spending money on sensors.
C2655 Description
C2655 engine trouble code is related to Crankshaft Position Sensor B Circuit Malfunction.
Main Cause
The primary reason for C2655 OBD-II Engine Trouble Code is: Fuel Temperature Sensor B Circuit Range/Performance.
Common C2655 Misdiagnosis on the Healey Westland
A frequent misdiagnosis on the Healey Westland is replacing the oxygen sensor when C2655 appears, only for the code to return within days. The actual cause is usually an exhaust manifold gasket leak introducing false air before the upstream O2 sensor — a much cheaper fix.
DIY Repair Guide: C2655 on Healey Westland
For the mechanically confident Healey Westland owner, a DIY MAF sensor clean is a rewarding first step for C2655. Use a dedicated MAF sensor cleaner spray — not brake cleaner, which damages the sensing element — and allow the sensor to dry for 30 minutes before reinstallation.
Preventing C2655 on the Healey Westland
Inspecting the Healey Westland wiring harness conduit grommets annually — especially the floor pan grommet — costs nothing and takes 10 minutes. Catching moisture ingress early eliminates the most common electrical trigger for C2655 on this model.
Frequently Asked Questions — Healey Westland C2655
A: Simple fixes like a purge valve or gas cap replacement take under an hour. Sensor replacements typically require 1–2 hours of shop time. More involved repairs like VVT actuators or catalytic converters may require a full day or more.