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Low on Compression Testing

 
Old Oct 4, 2021 | 06:21 AM
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Fancyface831's Avatar
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Default Low on Compression Testing
I have a 2008 Crossfire. Its low on compression on #6 which had the misfire code. What could cause this?
 
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Old Oct 4, 2021 | 07:08 AM
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Default Re: Low on Compression Testing
rings, valve seating ( carbon ), bent valve. tiny hole in piston
 
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Old Oct 4, 2021 | 10:25 AM
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Default Re: Low on Compression Testing
Burnt valve face, head gasket, cylinder wall scored.
 
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Old Oct 4, 2021 | 04:09 PM
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Default Re: Low on Compression Testing
Originally Posted by Fancyface831
I have a 2008 Crossfire. Its low on compression on #6 which had the misfire code. What could cause this?


Weak coil, spark plug(s) wires, spark plug(s)...

Start with the low cost items first, easy to move a coil and see if the code moves, same for the wires and plugs Good luck!


.
 
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Old Oct 4, 2021 | 05:01 PM
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Default Re: Low on Compression Testing
It sounded like he did a compression test?
 
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Old Oct 10, 2021 | 05:33 PM
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Default Re: Low on Compression Testing
What is the best way to compression test
 
Last edited by Fancyface831; Oct 10, 2021 at 05:36 PM.
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Old Oct 10, 2021 | 05:36 PM
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Default Re: Low on Compression Testing
What kind of engine is in a 2008 Chrysler Crossfire
 
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Old Oct 10, 2021 | 05:51 PM
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Default Re: Low on Compression Testing
Originally Posted by Fancyface831
What kind of engine is in a 2008 Chrysler Crossfire
Just a standard 3.2 v6. Known as mercedes m112. One of there best v6's ever made. Its basically bulletproof and should go a minimal or over 250k miles if left stock and maintained.
 
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Old Oct 11, 2021 | 10:14 AM
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Default Re: Low on Compression Testing
pull off the exhaust manifold and see if the air is leaking out the exhaust port = leaking past the valve due to buildup, i have seen that before
 
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Old Oct 11, 2021 | 06:23 PM
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Default Re: Low on Compression Testing
Originally Posted by Fancyface831
I have a 2008 Crossfire. Its low on compression on #6 which had the misfire code. What could cause this?
please list the 6 compression readings along with cylinder number.
 
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Old Oct 11, 2021 | 06:28 PM
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Default Re: Low on Compression Testing
Reading posts 6 and 7 it sounds like he hasn't done it yet and is not sure what kind of engine he has.
 
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Old Oct 11, 2021 | 06:44 PM
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Default Re: Low on Compression Testing
Originally Posted by ZERACER
Reading posts 6 and 7 it sounds like he hasn't done it yet and is not sure what kind of engine he has.
Somewhere near Salinas, Lord, he let that slip away ......
 
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