When the truck is in idle, there is no fuel leak. It is only when you drive. It is smoking from the passenger side below. The turbo fuel is coming out and hitting exhaust pipe and creating smoke they thought they fixed it but did not help??
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2012 duramax Chevy Silverado fuel leak!!
When the truck is in idle, there is no fuel leak. It is only when you drive. It is smoking from the passenger side below. The turbo fuel is coming out and hitting exhaust pipe and creating smoke they thought they fixed it but did not help??
Administrator
Welcome aboard!
First, verify that it is fuel. If you can't see and smell it, it may be something else. A heater core quick connect can leak and drip into the passenger side near the exhaust, causing "smoke" (and/or steam). This is a common failure on older vehicles.
If it is a fuel leak, and it's leaking only when driving, it's a high pressure leak, likely at a connector or sensor on the rail. Don't drive it. Tow it to a qualified shop. Diesel fuel doesn't ignite and burn easily, but it does. When it does, it's as dangerous and destructive as gasoline. If it's smoking, it's nearing ignition temperature. An ignited, high pressure fuel leak would be a torch. A high pressure leak you can't locate is very likely highly atomized, making it exceptionally more volatile and dangerous.
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