Question about 1992 Chevrolet Suburban
Get a rebuild kit for the throttle body. Be sure to get the rebuild kit for the fuel presure regulator. This is probably your leak. Most quality kits come with good instructions! Get new o-rings for fuel lines if they don't come with either kit.
Posted on Jan 17, 2009
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Posted on Jan 02, 2017
SOURCE: Fast fule leak at injectors
Well it sounds like the leak is at the right rear of the engine as you face it if so right back by the fire wall is where the fuel lines couple together if you take the lines apart there should be a o-ring on eack line check that out and see if that is where the leak is
Posted on Jan 18, 2009
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Fig. Exploded view of the fuel injector mounting-3.9L engine shown
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REMOVAL & INSTALLATION
See Figures 1, 2, 3 and 4
Before performing any service on the front or rear TBI unit, you must place the unit in a suitable holding fixture such as J-9789-118, BT-30-15, or equivalent. If you dont place the unit in a suitable fixture, the throttle valve may be damaged.
Fig. Fig. 1: Exploded view of the fuel meter cover attachment
Fig. Fig. 2: Bottom view of the front and rear fuel meter covers
Do not immerse the fuel meter cover (with the pressure regulator or accumulator) in any type of cleaner. Immersion will damage the internal diaphragms and gaskets.
Fig. Fig. 3: Carefully pry the fuel injector out of the fuel meter body
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