code 21

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Mar 14, 2003 | 10:25 PM

spear52

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code 21

I got a code 21&51 on my 88 f250 5.8L 4x4. ECT sensor open or out of range,but what is ECT?

Mar 14, 2003 | 10:29 PM

mrwizard

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code 21

If I'm not mistaken, it's Engine Coolant Temperature.

Mar 14, 2003 | 10:46 PM

spear52

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code 21

that would make sense as my temp guage has been acting up also in the last few days as well as not running well.

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