Cylinders 1 ,2, and 3 have 170 lbs. of compression, number 4 only 20. is it repairable?
Feb 18, 2019 at 5:39 AM
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ASEMASTER6371
CERTIFIED EXPERT
52,796 POSTS
Good afternoon,
Sure it is but it all depends on why it is low.
It could be:
1. Burned valves. This would be a valve job on the cylinder head.
2. Piston rings. This involve an overhaul of the motor.
3. Burned hole in a piston.. This would also mean a overhaul.
Roy
Feb 18, 2019 at 10:32 AM
SCGRANTURISMO
CERTIFIED EXPERT
4,897 POSTS
Hello,
Yes it is repairable. I have included a link for you below to help determine the cause of low compression in that cylinder. Go through it and get back to us with what you find out.