This chip for the Fiat Coupe 20v turbo will allow the engine to start with a failed cam (phase) sensor, instead of the ECU preventing starting due to the error.

The engine will only have a 50% chance to start each time, depending on whether it came to rest on an exhaust or compression stroke, so it may take a few attempts to start. If it doesn't start within 2-3 seconds as normal then just switch off the ignition and try again.

Usually it'll start within 1-3 attempts, so it's useful for driving the car to a mechanic to have a new cam sensor fitted, or just to keep the car on the road for a while with the failed sensor.

Note: If your cam sensor has failed then your injection malfunction warning light will be on.

A crank (rpm) sensor failure will also prevent engine starting and turn on the injection malfunction warning light, so be sure to have the error codes checked before assuming the cam (phase) sensor has failed if the engine turns over but doesn't start. The crank sensor fault has error code 005, the cam sensor fault has error code 008, but a failure of either (or both) will prevent engine starting. The crank sensor is easy to change so isn't a big problem, unlike the cam sensor which is located behind the exhaust cam wheel and basically requires a cam-belt change to access, a major job on the 20v coupe engine.

Note: This chip will not help with a crank (rpm) sensor failure, only a cam (phase) sensor failure. It also won't help if the engine doesn't start but the injection malfunction warning light isn't on, in which case you have some other problem unrelated to the cam or crank sensors.

Note: Even with a working cam sensor the engine will only start 50% of the time if this chip is fitted, so your original chip should be kept and refitted after replacing the cam sensor.

Free delivery within UK, international costs extra £3.