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It has been called "lawn mower syndrome" here on the board. One starts the car to say, move the lawn mower out of the garage, letting the engine idle just a few seconds. The next time you start, you have a no start condition. I have had this happen about four or five times. One must have a strong battery, I also hold the gas pedal to the floor, this shuts off the injectors while cranking. The cause is a combination of carbon deposits on the valve stems and the piston tops and upper cylinders. The gasoline is soaked up by the carbon and the deposits on the valve stems gets a little soft and hang up, sometimes having the valve tappets compensate for this and not allowing the valve or valves to close completely causing a flood condition making it even more difficult to start. Not letting the engine run a few minutes to warm the compression chamber and vaporize any unburned fuel left in the cylinder. Now this has not happened to me since taking great care not to shut down the engine for at least 3-4 minutes of idle. This only has happened to me when the temperature is below 35 degrees. Also changing to synthetic engine oil helps minimize valve build up.
DanR 94 964 240,000 miles*
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DanR
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