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Tim West
Tim West, ASE Certified Technician
Category: Chevy
Satisfied Customers: 4638
Experience:  ASE Certified Service manager of Firestone
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Pick up coil do and how does it affect no fuel no spark problem

Customer Question

what does a pick up coil do and how does it affect no fuel no spark problem
Submitted: 4 years ago.
Category: Chevy
Expert:  Tim West replied 4 years ago.
Thanks for visiting JA.com
The coil in which Voltage is induced in an Electronic ignition. Inputs signal to the electronic control unit to open the primary circuit. Consists of a fine wire coil mounted around a permanent magnet. As the reluctor's ferrous tooth passes through the magnetic field, an alternating current is produced, signaling the electronic control unit. Can operate on the principle of metal detecting, magnetic induction, or Hall Effect. It is also referred to as a stator or sensor.
It is needed for the electrical part of the ignition.
Here is how to check it.

1. Remove the distributor cap and disconnect the pick up coil wires from the back of the ignition module. Connect an AC voltmeter one lead to each wire of the pickup coil and crank the engine.

2. The pickup coil output must be more than 0.7v AC.

3. Visually inspect the condition of the magnet on top of the distributor shaft to be in good condition.
Customer: replied 4 years ago.
so does the stater work intermittety like it will run for two three mile then shut veh off and then there is no spark and no fuel at that point, also after a few tries of starting it will all of a sudden get fuel and spark and run. and does the ignition module have anthing to do with no spark no fuel on a when ever situation?
Expert:  Tim West replied 4 years ago.
Now, are you getting fuel pressure, or no injector pulse?
Customer: replied 4 years ago.

yes injection pulse no fuel thru injection and no pump pressure and no spark , after a few tries all of sudden fuel pressure was there spark was there and it would run

Expert:  Tim West replied 4 years ago.
When it's a no start, will it crank?

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