CR Techs Porsche Engine Managment Values & Setpoints 11.02.11

 

986 Misfire Actual Values DME 5.2.2
To perform Adaptation, the  rpm range is 3000 to 1400 rpms overrun on smooth road
Learning Progress sensor wheel Adaptation 0.000 is the value you want to see
Segment A 0
Segment B 0
Rough Running Threshold 8-9.2  (1/s 2)  @ idle
Engine Roughness cylinder 1-6 Should not be above the reference value
Data log the upstream O2 sensors Look for excessive hash/frequency in patterns
Spec. Angle for inlet camshaft 1/2 0* CRK
Actual angle for inlet camshaft 1/2 0* CRK
Camshaft position deviation 1/2 Code Threshold is 4* CRK
Mass air flow  (MAF) 15kg/hr +/- 2
Mass air flow with evap purge flow Usually extra 1-3 kg/hr
Hot film MAF v. 1.1-1.5V @ idle
Oxygen Sensing b.1+2 .98-1.003 Lambda
TRA b.1+2 .400ms Ti +/-  is the max limit
FRA b.1+2 .98-1.003%
March 12, 2025

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