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VOLVO 240/440/480/740/745/760 with Bosch Jetronic LH2.2/2.4 fuel injection system - typical ECU failure symptoms

Symptom 1


    VEHICLE BREAKS DOWN ON ROAD OR FAILS TO START IN CAR PARK FOLLOWING SHORT JOURNEY. Breakdown services diagnose fuel injection ECU failure - loss of fuel pump relay control from ECU pin 20. Click for Diagnostic checklist

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