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Summary of change:
Volvo 142 B23ET --------------- VEMS V3.6 Ser nr: 3105 Config: EGT: 1 Flyback: 30V Ignition driver: 6+2 LCD: yes MAP: external 4 kpa Prim trigger: EC36/27 VR PS2 conn: yes Sec trigger: Hall SD card: added after delivery B23ET, 630cc Siemens DEKA Trigger 36-1 on front pulley Volvo VR sensor (with small tip) Problem sometimes around 6000rpm trigger error lost of rpm signal this happens often when the throttle is released between gear changes. Pictures: Trigger bracket: http://www.pmteknik.se/bilder/volvo/trigger_bracket.jpg Trigger wheel http://www.pmteknik.se/bilder/volvo/trigger_wheel.jpg * absolutely certain that VR sensor polarity is good ? >Checked with ociloscope OK * is the pullup 18k ? (should be if originally ordered with VR input. If ordered with HALL input that has appr 3k pullup and modified to VR at home, than this must be doublechecked) >Ordered for VR sensor scould be OK ** measured sensor resistance = ... >Not done ** measured DC bias on the VR signal = ... mV. This should be around 5000 * Rsensor / (18000 + Rsensor) milliVolts >Not done * Could it be the bracket for the sensor that flex of vibrations? >Bracket reinforced tests should be performed today ** maybe *************************************************************** BMW E30 VEMS V3.6 Not started up
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