1st Gen Durango 1998 - 2003 Durango's

2003 4.7L compression test

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Old 01-23-2018, 04:03 PM
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Jay Knudson
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Default 2003 4.7L compression test

2003 4.7L Durango. Threw a P0113 code and then shot. Of course the kids don't say anything. The next day the wife is driving it and anti-freeze shooting in the engine and it overheats. Not sure how long she drove it or how hot it got but not seeing any anti-freeze in the oil or spark plugs. Replaced the water pump which appeared to be the leak problem. Ran a compression test and results seamed low (190K miles on it)
Compression results are as follows Cylinder 1 122 (plus pushing a lot of air through the spark plug hole, see the string on video over cylinder 1 here https://photos.app.goo.gl/V7ud0IsFerttgwBO2) cylinder 3 145, Cylinder 5 140, Cylinder 7 135. Other side Cylinder 2 130, Cylinder 4 130, Cylinder 6 135, Cylinder 8 130.

Question 1: Given what you see in cylinder 1 do I have a value seating problem? Could that be the P0113 code? I reset it but haven't done anything but idle but didn't see it again.
Question 2. Should those compression values concern me?

Thanks for any insight?
 



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