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bad miss on 2001 ram magnum

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Old Jul 7, 2017 | 04:57 PM
  #11  
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Thanks for the response, determining if your issue is electrical or fuel can be a tough one. Did you get any new codes sent?
 
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Old Jul 7, 2017 | 07:14 PM
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Default No new codes

As of yet no new codes have popped up
 
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Old Jul 7, 2017 | 09:03 PM
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Have you checked fuel pressure? Check that and compression to verify then look into the electronics.
 
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Old Jul 8, 2017 | 01:06 PM
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Default Found it.

I wish I had checked compression first. It would have saved a lot of money. Compression on every cylinder is hitting at 80 lbs. I am guessing verified by a mechanic friend that it has jumped time by a notch or 2. That would cause the valves to open as the compression is building meaning loss of pressure not firing properly and so forth. Next weekend I am changing the timing chain and gears and hopefully that will fix it. Give me your feedback and let me know what you think.
 
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Old Jul 8, 2017 | 04:07 PM
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Certainly cant hurt.

Did you try a wet test as well? Did it change anything?
 
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Old Jul 14, 2017 | 01:02 PM
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Default Timing

Just checked the timing chain and gears. It's in time so what is left to cause compression of80 to 85 lbs? Rings?
 
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Old Jul 14, 2017 | 01:40 PM
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Rings or valves... Maybe both. Leakdown test would give you a better idea.
 
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Old Jul 14, 2017 | 02:59 PM
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Default Back to the original problem

Ok. My original problem was a bad miss. Would bad rings cause a miss or just loss of power? I don't want to get sidetracked by other issues until I fins the miss. I followed the loss of compression thinking it might be out of time but since it's in time thats nor it. Any other ideas?
 
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Old Jul 14, 2017 | 05:53 PM
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Low compression will give you a miss. Could try doing the compression test again, dry first, then wet, see what the numbers do.
 
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