Engines / UDS Engines by part number / 01 - Engine [EV_ECM20TDI01104L906016BH 004003] / Test - fuel pressure regulation vlave (N276) CUUx


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Diagnostic operation
Diagnostic procedure

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Conditions:
- ignition = ON
- engine speed = idling

Note:
X bar = X,X MPa
X bar = XXX kPa
X bar = XXXX hPa
X bar = XXXXXX Pa



connect with the control unit XX - engine


wait XX s


Advanced Measured Values

select item:

X) IDEXXXXX - fuel pressure - high: required values
X) IDEXXXXX - fuel pressure - high: actual value
X) IDEXXXXX - fuel pressure regulation vlave
X) IDEXXXXX - Fuel metering valve

TIP:
For easier search in the menu, enter the code IDE, ENG or MAS into the "Filter" window

Start



required values:

X)
fuel pressure - high: actual value =
XX-XX MPa (XXX-XXX bar)

X)
required values <-> actual value: the maximum permissible difference is: X Mpa (XXXX kPa, XX bar)

X)
fuel pressure regulation vlave - alternating = XX - XX %
X)
Fuel metering valve - alternating = XX - XX %

Picture documentation:


if values are not achieved - check component:
- Low-pressure Fuel system
- fuel pressure regulation vlave (NXXX)
- Fuel metering valve (NXXX)
- pressure sensor - fuel pressure
- Fuel metering valve
- hipressure pump

You are not logged! System works in DEMO mode only now where numbers are replaced with X characters. For 49 EUR only You will get access into full system. You can pay by credit card or bank transfer. Click BUY button for purchase and  You will get login to diagnostic procedures database imediatelly.

Volkswagen workshop manuals for diagnostics

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