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Warning: a $30 part saved me from a huge headache on a 6.7 Powerstroke last month
The truck had a rough idle and a code for low fuel rail pressure. I spent hours checking the high pressure pump and injectors before I found a cracked plastic fitting on the fuel line coming from the tank. Has anyone else seen those fittings fail on the newer Fords?
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piper5586mo ago
Those plastic fittings are a known weak spot, especially after a few heat cycles. Might be worth swapping them out preemptively if you're in there for something else.
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hugo6455mo ago
Wait, are those fittings actually plastic?
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green.jessica5mo ago
The factory used those nylon fittings for over a decade without major issues. They handle the heat just fine in millions of cars. People swap them out more from fear than actual failure data.
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