Jaguar & Triumph
- Remove electrical connector from cold start valve and connect voltmeter across connector terminals. Crank engine with ignition switch. Battery voltage should be read.
- Release fuel system pressure and remove cold start valve with fuel lines connected. Reconnect coupler and place cold start valve in container. As cold engine is cranked with ignition switch, fuel spray should be observed until thermo-time switch cuts off relay. When the engine is warm, no fuel spray should occur during cranking. If valve does not perform as described, replace cold start valve.