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I meant to add, have you got another meter to check those primary's if they are 3.8 ohms that is high for for an electronic ignition system, I never check...
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To check the secondary readings connect your meter to the spark plug ends on each coil they should between 16 and 30 kohms, that is thousand ohms do,...
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It looks like you are on the heater circuit of the 02 not the signal the way the multimeter is fluctuating because that circuit is duty cycled, what is...
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Mate no ignition system has 10 ohms on the primary, normally between .6 and 2 ohms, and around 10 to 20 k,ohms for the secondary, if you did have 10 ohms...
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I was pretty confident you were going to see 5 volts coming from the computer to the cam sensor, that is a pull down circuit. when you come back we will...
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Why didn't you come back with the results from the vacuum pump test with the map sensor, that is the sensor that tells the computer how much fuel to deliver...
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I know what you are saying, some systems send out a five volt bias voltage on the cam sensor line and the cam sensor pulls the bias voltage high and low....
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I have a gut feeling that Y/BL should have five volts on it with the key on, check with your good engine.
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I wrecken it will be a capacitor for the main control relay, what color are the wires, pull the computer out the way and you see the main control relay...
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