T COULD BE YOUR CAMSHAFT SENSOR OR CRANKSHAFT SENSOR. SOMETIMESTHE TIMING CHAIN JUMPS A TOOTH AND CAUSES THIS TO HAPPEN ASWELL.
1. At the coils, check for battery voltage at the Red wires while cranking, the Black wires should be less than 0.05 volts while cranking. Pin 3 at the coils (each wire color at the #3 pin are different) using a scope watch for a 3 - 4 volt pulse signal while cranking. Red wire - battery voltage, Black wire is a ground and the White wire is the signal circuit
2. If there is no pulse signal to the power transistors, using a scanner check the POS counts (Position) should be 179 - 181 while cranking. If inconsistent, check the signal plate (flywheel/flex plate) for damaged teeth. If there is an RPM signal and the POS counts are correct, this crankshaft sensor is good.
3. On the front of the engine, mounted on the oil pan is the crankshaft sensor (REF) reference. Check the AC voltage while cranking, should be a clean sine wave that indicates the Top Dead Center (TDC) position of each piston. White and Black wires in a 2 pin connector
4. Check the Camshaft (phase) sensor AC voltage output. This sensor should also be a clean sine wave. This sensor detects cylinder number. This sensor is located in the front cover facing the cam gear. White and Black wires in a 2 pin connector.
what about the fuel consumption cos i learnt that its fuel consumption is high?and about the engine...
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what about the fuel consumption cos i learnt that its fuel consumption is high?and about the engine is it repairable if it has engine fault or one av to change the engine completely?i need solid answer on this question.is it very easy to maintain for a common man at all?if u can convince me i can go for it.thanks alot am DELE ATILOLA FROM NIGERIA
i am planning to buy the nissan supper ex salon twin cam and they said 1.3,my question is it less...
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i am planning to buy the nissan supper ex salon twin cam and they said 1.3,my question is it less consumption of gas than the single cam?
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