2002 Subaru Sambar

Electrical problem
2002 Subaru Sambar 4 cyl Front Wheel Drive Manual 80000 miles

Dear Sir,

This Subaru sambar mini truck has single point fuel injection system also 2ignition coils. When I try to start first time, simaltaniusly ignition and fuel injector didnt work. I replaced ECU and CAM sensor, but problem still there. But I depressed the throttle and crank several times can start, never stall. But if I stop engine and again very hard to start because there was'nt ignition also fuel injector didnt work.
I checked relays, referance voltage, wire harness, ECU power supply and ECU earth terminals.
July 4, 2009.

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