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Leaking Quick Connect At Fuel Rail
Posted to Technical Theory Forum on 11/26/2025 9 Replies

I replaced the lower intake manifold gaskets and plenum in July, 2024 due to coolant leaks. That was 120 miles ago and now the 3/8 quick connect to the rail was leaking drip drip drip. The car has less than 40k miles on it and is practically perfect.

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car Vehicle Data

1994 Buick LeSabre Custom 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1994 Buick LeSabre Custom 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)