Car loses power at 60 mph

Good morning,

Does it shut off?

https://www.2carpros.com/articles/engine-has-low-power-output

Are any lights on? Are there any codes?

https://www.2carpros.com/articles/engine-stalls

I need as much information as you can give me.

Roy

All the lights come on the dash and then hit shuts off and turns back on. My ex tuned it up and gaped the spark plugs. i think it might be the problem.

Did it actually turn off while running?

Roy

Yes turns off then turns back on.

Okay, Did you have the codes checked?

This sounds like it could be a crank sensor.

Roy

1. Disconnect the negative battery cable.
2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
3. Remove the starter.


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4. Disconnect the crankshaft position (CKP) sensor electrical connector.


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5. Clean the area around the CKP sensor before removal in order to avoid debris from entering the engine.
6. Remove the CKP sensor retaining bolt.
7. Remove the CKP sensor.