Astro Van M V6-262 4.3L VIN W CPI (1992)
Fuel Injector: Description and Operation
CMFI Assembly
The non-repairable CMFI injector assembly consists of a fuel meter body, gasket seal, fuel pressure regulator, fuel injector and six poppet nozzles
with fuel tubes. The CMFI assembly is housed in the lower manifold assembly. Fuel system pressure range is 380-420 kPa (55-61 psi).
The CMFI assembly has a low gain fuel pressure regulator to maintain pressure at the fuel injector through a range of fuel recirculation rates from the
in-tank fuel pump. With the ignition "ON" and engine "OFF," fuel pressure at the pressure test connection should be 380-420 kPa (55-61 psi) for 2
