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110) For Continuous Memory Only DTC P0125 & P0128: Check Engine Coolant Level z Insufficient Warm Up Time z Low Engine Coolant Level z Leaking Or Stuck Open Thermostat z Malfunctioning ECT Sensor z Malfunctioning CHT Sensor Check coolant level and fill as necessary. If coolant level is okay, locate cooling system fault and repair TEST DM: MANIFOLD ABSOLUTE PRESSURE SENSOR & THERMAL MANIFOLD ABSOLUTE Diagnostic Aids Perform this test only when directed by QUICK TEST. This test is intended to diagnose the following: z Wiring Harness Circuits (MAP SIG, SIG RTN & VREF) z Faulty TMAP Sensor z Faulty Powertrain Control Module (PCM) VREF voltage should be 4-6 volts. BARO PID reading is in frequency/volts. while engine is operating or hot. Cooling system is under pressure NOTE: After each service or repair procedure has been completed, reconnect all
2003 Ford Pickup F150 2003 ENGINE PERFORMANCE Self-Diagnostics - CNG, Flex-Fuel & Gasoline
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