Engine is bucking like a Bronco and stalling

Hello,

I don't think your problem is going to be with the Crankshaft Position Sensor [CKP] or the Camshaft Position Sensor [CMP]. If either of these had failed, your vehicle simply wouldn't run or start. Which IGN fuse blew, IGN1 or IGN2?

Thanks,
Alex
2CarPros

Hello again,

Okay, so the reason that your vehicles 15 Amp Ignition Fuse blew was because you have an intermittent short to ground in the circuit[s] that it is protecting. This happens because of Ohm's Law, the law that govern the electricity in your vehicle. Ohm's law states that one of the three properties is constant[Voltage-Automotive voltage is a constant[battery voltage]] and one of the other two goes down[Resistance-with a short to ground the resistance goes to zero as the currant/amperage has a direct path to the battery negative terminal], than the last property[Amperage/Current goes to the battery Amperage rating] must go up proportionally. The Amps exceed the fuses amperage rating, and "POP", the fuse blows, just as it was intended to, saving the component or an electrical fire, or both. In the diagrams down below I have included your vehicle's engine management wiring diagrams as well as a guide on how to find short to grounds in an automotive electrical circuit. You will need to use a Digital Multi-meter[DMM] to do this, so here is a link to a guide explaining how to do it, if needed, below:

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Please go through these guides and get back to us with what you find out.

P.S. I have also highlighted the wires in this circuit for you, and you may want to start with the radio interference capacitors.

Thanks,
Alex
2CarPros

Hello,

Yes it might, but I would double check the firing order. I have included a diagram of the firing order in the diagrams down below for you. Please get back to us with what you find out.

Thanks,
Alex
2CarPros

Hello again,

In the diagrams down below I have included the Power Distribution Wiring Diagrams for your vehicle. I'm not sure what you have going on there, but in the bottom left of the first diagram you will see the battery. Just follow the wires from that and you should run into a blown fuse. Relays don't blow like fuses do, so I wouldn't worry about one of those. Please get back to us with what you find out and I hope this helps.

Thanks,
Alex
2CarPros

Hello again,

The Power-train Control Module [PCM] has a fuse that is protecting it, so if you did throw a power spike to it, the fuse would blow protecting However, you were saying that 1/2 of your fuse box doesn't have power to it, perhaps the fuse that feeds the PCM is in that half of the fuse box. In the diagrams down below I have included the wiring diagram for the computer data lines in your vehicle as well as a diagram of the Instrument Panel Fuse Box with the ECU fuse. Please go through these guides and check the ECU fuse and get back to us with what you are able to find out.

Thanks,
Alex
2CarPros

Hello again,

I'm glad to hear you got it straightened out.

Thanks,
Alex
2CarPros