Common Rail Diesel Technology
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When a diesel ECU signals injector problems, it is impossible to tell which injector is at fault. BBA can now test & rebuild individual and sets of common rail diesel injectors. Symptoms are system shutdown (too high/low pressure) or erratic idle with a slight knock when you raise revs. |
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BBA have identified that a high pressure common rail diesel pump fitted to Peugeot and Citroen applications is failing commonly. We can carry out a full test on the pump for you. |
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BBA now offer timed collection and testing for all diesel ECUs. |
Testing Bosch EDC diesel pump actuator |
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Actuator commonly failing on the Bosch EDC diesel pump range, below is a comprehensive table for fault diagnosis. BBA now test and rebuild. |
Designation |
Unit
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Set Value
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Min
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Max
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| POSITIONER TESTING |
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| Test temperature |
deg. C |
22.5 |
15.0 |
30.0 |
| Impedance, connections 4 & 7 |
ohms |
0.7 |
0.4 |
1.0 |
| Test temperature |
deg. C |
60.0 |
50.0 |
70.0 |
| Impedance, connections 4 & 7 |
ohms |
0.775 |
0.450 |
1.100 |
| Impedance, connection 4 & ground |
M ohms |
1.0 |
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| Impedance, connections 2 & 7 |
M ohms |
1.0 |
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| Impedance, connections 4 & 6 |
M ohms |
1.0 |
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| Impedance, connection 7 & ground |
M ohms |
1.0 |
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| HALF DIFFERENTIAL INDUCTIVE PICKUP |
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| Impedance, connections 1 & 3 |
K ohms |
5.7 |
4.9 |
6.5 |
| Impedance, connections 2 & 3 |
K ohms |
5.7 |
4.9 |
6.5 |
| Impedance, connections 1 & 2 |
K ohms |
11.4 |
9.8 |
13.0 |
| Impedance, connection 1 & ground |
M ohms |
1.0 |
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| Impedance, connection 2 & ground |
M ohms |
1.0 |
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| Impedance, connection 3 & ground |
M ohms |
1.0 |
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| FEUL TEMPERATURE SENSOR |
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| Test temperature |
deg. C |
22.5 |
15.0 |
30.0 |
| Impedance, connections 5 & 6 |
K ohms |
2.6 |
1.2 |
4.0 |
| Test temperature |
deg. C |
60.0 |
50.0 |
70.0 |
| Impedance, connections 5 & 6 |
K ohms |
0.75 |
0.30 |
1.20 |
| Impedance, connection 5 & ground |
M ohms |
1.0 |
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| Impedance, connection 6 & ground |
M ohms |
1.0 |
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| SOLENOID VALVE START OF DELIVERY |
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| Test temperature |
deg. C |
22.5 |
15.0 |
30.0 |
| Impedance, connections 1 & 2 |
ohms |
15.8 |
14.3 |
17.3 |
| Test temperature |
deg. C |
60.0 |
50.0 |
70.0 |
| Resistance connections 1 & 2 |
ohms |
18.25 |
15.50 |
21.00 |
| EXCESS-FUEL STOP/SHUTOFF STOP |
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| Excess-fuel stop |
M volts |
4385 |
4120 |
4650 |
| Shutoff stop |
M volts |
750 |
650 |
850 |