Leak Check, Fuel Pressure, Flow Capacity And Adaptation Procedures: Checklist

1. Describe the fault

   symptom_________________________________________________________________________

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2. Connect Tech 2.
3. Turn off A/C or ACC and let the engine idle. Coolant temperature should be over 80°C.
   NOTE: Diagnostic trouble codes must not be erased.
4. Read and note any diagnostic trouble codes:

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5. Select "Engine" - "Trionic" - "READ VALUES /ACTIVATE " in Tech 2. Read and note the following values:
   CHECKLIST
   
   

   	Unit	Turn Ignition On	Idle	Desired value
   Engine speed	RPM	-		800-850
   Airmass/Combustion	mg/c	-
   Coolant temperature	°C			85-100
   Deviation from calculated air mass	%	-		max. 10
   Intake air temperature.	°C			40-60
   Atmosphere Absolute Pressure	kPa			90-115
   Charge Air Absolute Pressure	kPa			95-110
   Manifold Absolute Pressure	kPa			25-60
   Additive adaptation	mg/c			max. 0.6
   Multiplicative adaptation	%			max. 6
   Charge Air Adaptation	%			max. 10

Under "SYSTEM INFORMATION " you will find information on chassis and version numbers for Trionic T7

The plate with the engine number is placed on the cylinder block according to WIS - Engine - Base engine, petrol - Technical data - Engine number.

To see color of the injectors, remove the upper engine cover.