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1998 BMW 740i

Question: Fuel line burst, what's possible cause?

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schumi2006, Stony Brook, NY, April 05, 2011, 20:49
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 Rookie

2 of my intake fuel hoses burst after finishing lunch about to drive the car, with gas all over the ground. I got it replaced and about to pick up the car, but just worried, I mean a fuel line just doesn't burst like that right?? That's a deadly hazard. What may have caused it, I haven't bruised anything because it didn't burst when driving but during lunch(assumed). High fuel pressure??
I've also been having the engine codes for a while p0170 and p0173, saying burning rich. Anyhow related?

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  • Answer #1

    raiderron April 05, 2011, 21:20
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     Master

    Rubber lines beakk down over time, if original they were 13-14 years old and if pressure lines the pressure can cause the burst as rubber weakens. The codes are likely not related and should be checked at qualified shop. Make sure the attaching clamps were replaced when hoses were replaced with fuel injection high pressure hose clamps.

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