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general information - Martin Nez

general information - Martin Nez

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FUEL SYSTEM AND THROTTLE BODY 5-23• Calculate the voltage difference between TP sensor outputvoltage at idle and TP sensor output voltage with the STV fullopened.Example: TP sensor output voltage with the STV fully openMinus TP sensor output voltage at idle is 0.027 VSTV fully open 1.142 VIdle- 1.115 V0.027 V TP sensor output voltage variation: 0.021 – 0.032 V• If the voltage variation is out of specification, loosen thelock-nut 4 and turn in or out the fast idle adjust screw 5 toadjust the voltage to specification.The fast idle screw is factory-adjusted at the time ofdelivery and therefore avoid removing or turning itunless otherwise necessary.• Cool down the engine to ambient air temperature and start theengine to check the fast idle r/min comes with in the specifiedr/min. StandardFast idle r/min: 1 500 – 2 000 r/min (Cold engine)Idle r/min: 1 300 ± 100 r/min (Warmed engine)• If it is not at the specified r/min, the cause may possibly beshort-circuit in water temperature sensor or wiring harness orSTVA.

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