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-   -   Burnt rotor. (https://blazerforum.com/forum/engine-transmission-35/burnt-rotor-106240/)

Hess13x Jan 30, 2024 09:35 PM

Burnt rotor.
 
Been a while since I've been on. 97 blazer. Was Driving and engine lost power and shut off. Towed it home and started doing the usual checks. Fuel pressure 60 psi key on. Then checked spark. No spark but had a tack signal, so thought it was icm. Changed that and checked for 12v on coil and icm, both good. Tried starting it and it would pop every now and then. So pulled cap.

https://i.postimg.cc/L8J4xsxy/20240130_200833.jpg

And then the rotor

https://i.postimg.cc/4xfVypNY/20240130_200815.jpg

So did I find my problem?

LesMyer Jan 30, 2024 09:47 PM

Yes, but you should check cam sensor retard as the probable root cause of the cap/rotor failure.

Hess13x Jan 30, 2024 10:48 PM


Originally Posted by LesMyer (Post 751757)
Yes, but you should check cam sensor retard as the probable root cause of the cap/rotor failure.

Thanks Les! And yes I will check that.

Hess13x Jan 31, 2024 09:36 PM

Ok swapped cap n rotor still no go. Going to do more testing when its light outside and have an extra set of hands

rockp2 Feb 1, 2024 11:09 AM

If you already haven't, you might want to remove the distro cap, check the rotor for slop and have someone turn the engine by hand to insure the rotor is is rotating.

Hess13x Feb 5, 2024 10:42 PM


Originally Posted by rockp2 (Post 751767)
If you already haven't, you might want to remove the distro cap, check the rotor for slop and have someone turn the engine by hand to insure the rotor is is rotating.

Rotor is turning.


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