Quote:
Originally Posted by rhyds
Most fuel injected cars prime the fuel system once the ignition is turned to position II, I've always given my cars a few seconds before engaging the starter for just this reason.
In fact, I once had a very strange problem with a Rover 45. If you jumped in first thing in the morning and turned the key, it would spin over fine but not actually start. Try again and it still wouldn't. Turning the ignition off for 15 seconds and then try again and it was fine. That 15 seconds wait caused the ECU to prime the fuel system again and it would then start. In the end a new battery sorted it
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Many years ago Vauxhall had an issue with failing fuel pumps on 2.0DTI diesel cars. The fuel pumps were fine but they were lubricated by the diesel fuel.
They would fail because car owners would just turn the key to start the car and not allow a few seconds for the pump to prime itself with diesel for lubrication.