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"A diagostic" is a loose term for troubleshooting. It clearly depends on the trouble your having as to how you trouble shoot.

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โˆ™ 2005-10-22 03:54:58
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Q: How do you run a diagnostic on a 2002 Ford Focus?
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What is the vacuum hose routing for the egr valve pressure sensor on a 2002 Ford Focus zx3?

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Can you use diesel fuel in a 2000 Ford Focus?

Do NOT use Diesel fuel in a Ford Focus. The engine will stop running and you will have to drain the gas tank to rid the car of the diesel fuel. Gasoline engines are not designed to run on diesel. They do not have enough compression to cause the diesel fuel to combust The only engine used in a 2000 Ford Focus was the 2.0 which is NOT a diesel engine.

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This is a diagnostic process. If the coolant isn't low and the fan will run when the AC is turned on it will need a Mechanic to Diagnose.

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fuel pump bad

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