1999 GMC Yukon "replace coil pack" Questions

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Question about GMC Yukon

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replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In

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Question about GMC Yukon

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...coil pack gives power to spark plug. So check the voltage at coil pack. It will show 12 volt. If there is no voltage noticed at coil pack then its faulty coil pack that has to be replaced. If all the ...

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...and coil pack replaced Sounds like a fuel pump. You can have your SUV hooked up to a fuel system pressure gauge and see if you are getting 36psi or higher. Anything under that and you have a bad

Question about GMC Yukon

1 Answer

replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In

Question about GMC Yukon

2 Answers

...replace it just as a matter of course since they're very inexpensive, and inspect the spark wire or coil pack for any burn marks that might indicate an arc due to faulty insulation. If your car has a ...

Question about GMC Yukon

1 Answer

replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In

...coil pack/distributor, clogged fuel filter or spark plugs, or a defective fuel pump. These are the most common causes of this problem and and except the fuel pump and sometime fuel filter are ...

...Coil Pack? Cam Sensor and Crank sensor? What about a vacuum leak? You are going to cuss me for this but, according to your description, this did not occur BEFORE you changed the pump, and you have ...

Question about GMC Yukon

1 Answer

...coil pack" Easiest way is if you have another working coil pack and switch it out with the suspected faulty coil pack. Say you have a problem that is with the coil pack that covers the 1-3 switch it ...

Question about GMC Yukon

2 Answers

...replace the coil pack. common to fail, I'd say you need to replace the 1-4 coil pack. Any changes to the working of the pack have to be tested after the primary source with much more elaborate ...

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