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GM 4.3L (Vin W) Vortec Engines - Internal Fuel Leak
Posted to Technical Tips Forum on 1/23/2002 8 Replies

Hadn't seen this one until today... maybe it will help someone from doing this job twice. :-(

As you probably know, the CPI injector assembly ("spider") on these engines can develop leaks within the plenum causing low fuel trim readings, poor fuel economy, r... Login to read more.

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