Bought a new coachbuilt with the Fiat 2.8JTD chassis cab as the base vehicle. When the engine is cold it will not start first time. I have to switch off the ignition and then it starts immediately on the second attempt. (The glow plug warning symbol goes out and the ignition switch key is recognised on the first attempt). Have booked it into Fiat main dealers but this will be a couple of weeks. Any ideas or suggestions.
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