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© Keith Browning

Fuel Samples


Ford Doctor

Fuel samples are an important part of the diagnostic process. We had some interesting samples laying around so we put some in a test tube and took pictures for comparison. Starting with clean #2 diesel on the left the samples progress to water contamination, rust and silt, off road fuel, chemical or biological contamination and lastly cross contamination with engine oil from a 7.3L known as black fuel. It actually has a bluish tint to it.

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© Keith Browning

From the album:

Fuel System Failures

· 31 images
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