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Havingfunyet

08-28-2023 09:31 AM

2007 sebring 2.4

I have a 2007 sebring that is showing a misfire on cylinder 1
I've done or checked the following:
Installed a remanufactured head after a blown head gasket
timing chain and gears
Cam position sensors
Actuators
Plugs
Coils
Switched the number 1&2 injectors to see if it would misfire on 2
Compression test on all cylinders is 125-130
Any thoughts would be appreciated

CHRYSLER TECH

08-28-2023 08:35 PM

125-130 is low for a hew head and gasket should be in the 150s

Havingfunyet

09-02-2023 01:22 PM

Compression

Quote:

Originally Posted by CHRYSLER TECH (Post 125149)

125-130 is low for a hew head and gasket should be in the 150s

I used an endoscope to view the valves and pistons, everything seemed OK.
pulled the head back off, no scarring on cylinders, filled the valve area with water, no leakage.
Only odd thing is that there were no misfires prior to changing the head, gasket and timing chain.

CHRYSLER TECH

09-02-2023 02:55 PM

why did you take the head off the first time?

Havingfunyet

09-02-2023 03:03 PM

Quote:

Originally Posted by CHRYSLER TECH (Post 125212)

why did you take the head off the first time?

overheating, bad head gasket.

Havingfunyet

09-02-2023 04:27 PM

So far so good

Put the new head back on, hooked the timing chain up, 185psi on all cylinders.
HOPEFULLY, it was just the installation or a bad head gasket.
I'll let you know.

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