194001980 - D016 POOR ENGINE RESPONSE
The customer complains of: Poor engine response| Test results | ||||||
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation | ||
|---|---|---|---|---|---|---|
| Check that the engine oil level is correct Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARYCheck that the air intake/vacuum circuit is working properly by carrying out the See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECKCheck the condition of the fuel supply circuit and make sure that it is working properly carrying out the See Test 1040OA FUEL SUPPLY CIRCUIT CHECKCheck the operation of the low pressure supply circuit by carrying out the See Test 1060OB CHECK ON SUPPLY LOW PRESSURE FUEL CIRCUIT | Move on to Step 1 | Oil level incorrect | Restore the correct engine oil level Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY | |||
| 1 | AMBIENT PARAMETERS CHECK | All OK | Problems encountered | Operation | ||
| Select the following control unit at the diagnostic equipment: EDC16C39 Diesel electronic injection control unit.Check the value of the following parameters:. Battery voltage See Test 5530BB BATTERY VOLTAGE CHECK. Atmospheric pressure See Test 1060GD ATMOSPHERIC PRESSURE CHECK. Supercharging pressure Objective. Supercharging pressure Measured See Test 1060GF SUPERCHARGING PRESSURE CHECK. Measured air mass See Test 1060GG MEASURED AIR MASS CHECK. Accelerator pedal. Accelerator position 1 AD/C. Accelerator position 2 AD/C See Test 1068AC ACCELERATOR PEDAL CHECKS. Engine coolant temperature See Test 1060OE CHECK ON OPERATION OF COOLANT TEMPERATURE SENSOR. Diesel temperature See Test 1060EA DIESEL FUEL TEMPERATURE CHECK. Target Diesel pressure. Measured Diesel pressure See Test 1060GH DIESEL FUEL PRESSURE CHECK. Engine rpm See Test 1060GI ENGINE SPEED CHECK | Move on to Step 2 | |||||
| 2 | ELECTRICAL EQUIPMENT CHECK | All OK | Problems encountered | Operation | ||
Check that the fuses F1 (the last one at the bottom of the vertical row) and F20 (the first one on the right of the lower row) have not blown.
| Move on to Step 4 | Fuse F1 has blown | Restore the connections or, if necessary, replace the junction unit in the engine compartment Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R. | |||
| Fuse F20 has blown | ||||||
| 3 | DIESEL PREHEATING FUSE CHECK | All OK | Problems encountered | Operation | ||
| Check the circuit for the protective fuse for the diesel preheating relay, carrying out the See Test 5505AB CHECK DIESEL PREHEATING RELAY PROTECTIVE FUSE | Move on to Step 4 | |||||
| 4 | DIESEL PREHEATING RELAY CHECK | All OK | Problems encountered | Operation | ||
| Check the diesel preheating relay circuit, carrying out theSee Test 5505AC CHECK DIESEL PREHEATING RELAY | End of diagnosis | |||||
