Engines / Diesel / 2.0/103kW TDI-CR CBAx / Measurement of compression pressure


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Diagnostic operation
Diagnostic procedure

This operation was considered useful 6x.

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Conditions:
- number of faults = X
- engine speed = idling
- engine temperature > XX °C

connect with the control unit
XX - engine


XX - Measured values group XXX
required values:

field X = ± X,X mg (deviation of injected fuel volume - cylinder X)
field X = ± X,X mg (deviation of injected fuel volume - cylinder X)
field X = ± X,X mg (deviation of injected fuel volume - cylinder X)
field X = ± X,X mg (deviation of injected fuel volume - cylinder X)

Start

switch ignition off for: XX s

switch on the ignition



connect with the control unit XX - engine


XX - Basic settings group XXX

Start


observe values:
field X = engine speed - cylinder X
field X = engine speed - cylinder X
field X = engine speed - cylinder X
field X = engine speed - cylinder X


starter XXs (engine does not Start)

record values measured in fields X - X. Add-up the values for the individual cylinders and divide by X, you thus get the average starting rpm. For example. (XXX+XXX+XXX+XXX)/X = XXX,XX. The values of the individual cylinders must not differ from the average starting rpm by more than X rpm. To increase precision, it is possible to repeat the test.


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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