THE TPS RESET PROCEDURE MUST NOT BE CARRIED OUT WITH A USED THROTTLE BODY
BECAUSE POSSIBLE VALVE WEAR AND STOP WEAR FOR THE MINIMUM OPENING MAKE THE
AIR FLOW DIFFERENTLY FROM THAT OF PRE-CALIBRATION.
Lambda probe
SIGNAL CONTROL
1. Lambda probe
Install the electronic control unit interface wiring.
Start the engine and let it warm up.
Use an analogue multimeter with a direct voltage
scale measuring down to 2 V.
Place the tips of the multimeter between pins 4 (-)
and 11 (+)
Vespa LX 125 - 150 i.e. Injection
INJEC - 183
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