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Are the Ford 7.3L diesel reliable?

Updated: 12/12/2022
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13y ago

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Whether you're talking about the 7.3L IDI International Ford engine or the 7.3L Powerstroke Turbo Diesel Ford engine, they're both great. I seen a 7.3L Powerstroke van that just rolled over the 2 million mile mark. That's crazy!!! The highest mileage 7.3L IDI I've seen had 541,900 miles. My personal experience was a 1997 Ford F-350 with 7.3L Powerstroke (my work truck) and it was reliable for 450,000 miles. When I sold it, it had 450K miles. The guy I sold it to is a friend of mine, and he has kept everything stock and it is still running strong. He just hit the 500,000 mile mark.I beg to differ I own a 7.3L powerstroke and after 55,000 miles four injector sleeves cracked which resulted in the fuel getting into the coolant system. This is a very common problem with these engines which ford acknowledges but won't recall.

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Q: Are the Ford 7.3L diesel reliable?
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