Simple causes are often overlooked

This article is based on service information SI 0096 Pierburg


Vacuum system:

Potential complaints:

During troubleshooting, we can often rely on the OBD fault code memory and overlook simple causes. One possible cause of the fault can be found in the vacuum system of the vehicle. Vacuum is used as auxiliary energy in many
vehicles.

Each component in the vacuum system may have a leak where vacuum is escaping. Pay particular attention to the following: 

The following malfunctions can also point to faults in the vacuum generation:

Reduced performance due to failed length or flap adjustment in the intake manifold. In the event of damage, check all components in the vacuum system for leaks and replace the damaged part. 

Full list of pressure transducers by Pierburg


Example BMW 118d (E87): Components in the vacuum system (green), vacuum hoses (red)
Components in the vacuum system

  1. Vacuum pump
  2. EGR valve
  3. Electropneumatic pressure transducer

Table - electromagnetic pressure transducers Pierburg:

Vehicles PIERBURG Nr.: Ref. Nr.:
CITROËN
C5 2.2 HDi, C8 2.0/2.2 HDi, Jumper 2.0/2.2 HDi, Jumpy 1.9 D, Xantia 2.0 HDi, Xsara 1.9 D/2.0 HDi
PEUGEOT
Boxer 2.0/2.2 HDi, Expert 1.9 D, 307 2.0 HDi, 406 2.0/2.2 HDi, 607 2.0/2.2 HDI, 807 2.0/2.2 HDi
FIAT
Ducato 2.0 JTD
7.02256.23.0 1628 HC, 1628 LR, 9628971180, 9618971180
CITROËN
Berlingo 1.9 D/2.0 HDi, C15 1.9 D, C3 1.4 HDi, C4 2.0 HDi, C5 2.0/2.2 HDi, C8 2.0/2.2 HDi, Evasion 2.0 HDi, Jumper 2.0/2.2 HDi, Jumpy 1.9 D/2.0 Hdi, Xantia 2.0 HDi, Xsara 1.9 D/2.0 HDi, Xsara Picasso 2.0 HDi
PEUGEOT
Boxer 2.0/2.2 HDi, Expert 1.9 D/2.0 HDi, Partner 1.9 D/2.0 HDi, 206 2.0 HDi, 306 1.9 D/2.0 HDi, 307 2.0 HDi, 406 2.0/2.2 HDi, 607 2.0/2.2 HDi, 806 2.0 HDi, 807 2.0/2.2 HDi
FIAT
Ulysse 2.0/2.2 JTD, Ducato 2.0/2.2 JTD, Scudo 1.9 D/2.0 JTD LANCIA Phedra 2.0/2.2 JTD, Zeta 2.0 JTD
7.02256.24.0 1628 LQ, 9635704380
FORD
Ranger 2.5/3.0 TDCi, Everest 2.5/3.0 TD, Endeavour 2.5/3.0 TDCi
MAZDA
BT-50 2.5/3.0 CDVi
7.02256.25.0 6M34-9J459-BA, 1448857, WE01-13-726
OPEL
Signum 2.2 DTI, Vectra C 2.2 DTI
VAUXHALL
Signum 2.2 DTI, Vectra C 2.2 DTI
7.02256.26.0 58 51 045, 93174808
BMW
123d E87, 335d E90, 535d E60, 535 GT F07, 635d E63, 740d F01, X1 23d E84, X3 30d E83, X5 30sd, 35d, 40d E70, X6 35d, 40d E71
7.02256.27.0 11 65 8 509 323, 11 65 7 811 814, 11 65 7 808 032, 11 65 7 796 338


7.02256.23.0 Pressure Transducer, adjusting element (throttle) PIERBURG
7.02256.23.0, Pressure Transducer, adjusting element (throttle), Switch valve, PIERBURG, 1628HC, 1628LR, 9618971180, 9628971180, 1628.HC, 1628.LR 7.02256.23.0 - Pressure Transducer, adjusting element (throttle) PIERBURG
  • Valve type:  Solenoid Valve
  • Operating Mode:  Electric-pneumatic
  • Voltage [V]:  12 V
$66.40/pcs incl. VAT ($66.40/pcs excl. VAT)
$43.16/pcs incl. VAT ($43.16/pcs excl. VAT)
Availability:
Stock: 0 pcs
External stock: Check

We recommend!

7.02256.24.0 Pressure Transducer, adjusting element (throttle) PIERBURG
7.02256.24.0, Pressure Transducer, adjusting element (throttle), Switch valve, PIERBURG, 1628LQ, 9635704380, 1628.LQ 7.02256.24.0 - Pressure Transducer, adjusting element (throttle) PIERBURG
  • Valve type:  Solenoid Valve
  • Operating Mode:  Electric-pneumatic
  • Voltage [V]:  12 V
$52.40/pcs incl. VAT ($52.40/pcs excl. VAT)
$34.06/pcs incl. VAT ($34.06/pcs excl. VAT)
Availability:
Stock: > 25 pcs

We recommend!

7.02256.25.0 Pressure converter, turbocharger PIERBURG
7.02256.25.0, Pressure converter, turbocharger, Switch valve, PIERBURG, WE01-13-726, 1448857, 6M34-9J459-BA 7.02256.25.0 - Pressure converter, turbocharger PIERBURG
  • Valve type:  Solenoid Valve
  • Operating Mode:  Electric-pneumatic
  • Voltage [V]:  12 V
$132.91/pcs incl. VAT ($132.91/pcs excl. VAT)
$86.39/pcs incl. VAT ($86.39/pcs excl. VAT)
Availability:
Stock: 3 pcs

We recommend!

7.02256.26.0 Pressure converter, turbocharger PIERBURG
7.02256.26.0, Pressure converter, turbocharger, Switch valve, PIERBURG, 5851045, 93174808 7.02256.26.0 - Pressure converter, turbocharger PIERBURG
  • Valve type:  Solenoid Valve
  • Operating Mode:  Electric-pneumatic
  • Voltage [V]:  12 V
$191.28/pcs incl. VAT ($191.28/pcs excl. VAT)
$124.33/pcs incl. VAT ($124.33/pcs excl. VAT)
Availability:
Stock: 1 pcs

7.02256.27.0 Pressure converter, turbocharger PIERBURG
7.02256.27.0, Pressure converter, turbocharger, Switch valve, PIERBURG, 11657808032, 11657811814, 11658509323, 11747796338, 7796338, 7808032, 7811814, 8509323 7.02256.27.0 - Pressure converter, turbocharger PIERBURG
  • Valve type:  Solenoid Valve
  • Operating Mode:  Electric-pneumatic
  • Voltage [V]:  12 V
$94.24/pcs incl. VAT ($94.24/pcs excl. VAT)
$61.26/pcs incl. VAT ($61.26/pcs excl. VAT)
Availability:
Stock: 20 pcs

We recommend!