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Re: GM 4.3L (Vin W) Vortec Engines - Internal Fuel Leak
Posted to Technical Tips Forum on 1/23/2002 2 Replies

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Hi Mark,

One small note: You are refering to the 'code Z' engine. The 'code W' CSFI, central sequential FI, used on '96 to present trucks has individual injectors, also with hoses and poppets. Good ... Login to read more.

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