Post signs that read `NO SMOKING WITHIN 50 FEET (15 m)" when working with open fuel lines or fuel
tanks. Use caution when loosening intake fuel fittings. Fuel pressure is sufficient to penetrate skin and
cause severe injury. Do not work on fuel system when engine is hot; fuel can be ignited by a hot engine.
FUEL INJECTORS INSPECTION
(1) Remove negative battery cable
(2) Remove fuel injectors (para 542).
(4) Opening pressure is 3160 to 3307 psi
(21778 to 22791 kPa) on all injectors.
(a) lf fuel injectors do not open at
proper opening pressure,
replace injectors (para 542).
(b) If fuel injectors open at
opening pressure, notify