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DIAGNOSIS AND TESTING - 2.5L TURBO DIESEL SERVICE DIAGNOSIS–DIESEL–PERFORMANCE CONDITION POSSIBLE CAUSES CORRECTION ENGINE WILL NOT 1. Starter motor operating, but not 1. Remove the starter motor. 2. Crankshaft rotation restricted. 2. Rotate the engine to check 3. Starting circuit connections loose 3. Clean and tighten 4. Neutral safety switch or starter 4. Check starter relay supply 5. Battery charge low. 5. Check battery voltage. 6. No voltage to starter solenoid. 6. Check voltage to solenoid. If 7. Solenoid or starter motor 7. Replace starter motor. ENGINE CRANKS, BUT 1. No fuel in supply tank. 1. Fill fuel supply. 2. Electrical fuel shutdown solenoid 2. Check for loose wires and 3. Exhaust plugged. 3. Remove the obstruction. 4. Fuel filter plugged. 4. Drain fuel/water separator 5. Excessive fuel inlet restriction. 5. Check fuel inlet restriction. 6. Injection pump not getting fuel or 6. Check fuel flow/bleed fuel 7. Worn or inoperative injection 7. Visually check delivery with 9a - 6 ENGINE 2.5L VM DIESEL INTERNATIONAL R1 ENGINE 2.5L VM DIESEL INTERNATIONAL (Continued) |