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#5 cylinder not firing



 
 
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  #11  
Old February 26th 04, 05:32 PM
David
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Update: Our mechanic found a bad spark plug lead wire. Thanks for all of
the replys.


"David R." wrote in message
...
We have a 1979 Cessna 182RG with 1350 hours since overhaul. 6 weeks ago,
we began to notice the engine to be rough on the right magneto during
run-up. Over two weeks, it became increasingly difficult to burn it off

by
leaning during the run-up, until one day when it became impossible. We
noticed on the engine monitor that the #5 cylinder head temp was cold

during
the run-up. Our mechanic looked at it, and yep, it was a fouled spark

plug
which was replaced. Now, about 15 hours later (and an annual), we have

the
same problem with the #5 cylinder. It's going back to the shop today.

Any
ideas? Why the same cylinder? What should we be looking for?




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  #12  
Old February 26th 04, 11:11 PM
Kevin Chandler
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I have no idea. I did not do it. The A&P made the call and got it right.
A new/used jug fixed it all.


"David R." wrote in message
...
How do you diagnose a cracked piston ring? Scope? Compressions?


"Kevin Chandler" wrote in message
...
We had a similar problem except the plug was getting fouled with oil.

We
had a crack piston ring.






  #13  
Old February 27th 04, 01:30 AM
G.R. Patterson III
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"David R." wrote:

How do you diagnose a cracked piston ring?


A cracked compression ring will show up as low compression. A cracked oil wiper
ring will show up in fouled plugs, oily deposits on the inside of the exhaust
pipes, and smoky exhaust.

George Patterson
A diplomat is a person who can tell you to go to hell in such a way that
you look forward to the trip.
  #14  
Old February 27th 04, 01:41 PM
Dennis O'Connor
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And a cracked wallet will show up soon after..

denny
"G.R. Patterson III" wrote in message
...


"David R." wrote:

How do you diagnose a cracked piston ring?


A cracked compression ring will show up as low compression. A cracked oil

wiper
ring will show up in fouled plugs, oily deposits on the inside of the

exhaust
pipes, and smoky exhaust.

George Patterson
A diplomat is a person who can tell you to go to hell in such a way

that
you look forward to the trip.



 




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