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1988 Accord LXi/Compression Check, Plus.

Tiny
RAYTHOM
  • MEMBER
  • 1988 HONDA ACCORD
What would "normal" psi per cylinder be for this high mileage engine? The problem: Around town at regular speed all is fine. It runs great w/no apparent oil burn. However, if I drive the car at or over 60-70mph for around 10 minutes when I decelerate AND/OR take off after a stop I often get a "machine-gun rattle" followed by a blanket of exhaust smoke so thick cars behind me disappear. Once I'm back to speed everything is fine again. Til next repeat.
Friends have told me it's everything from "piston slap" to a faulty (Midas) muffler that's backing up. I thought a compression check would be good for starters but I need some good advice on how to pursue. Thanks, Ray.
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Saturday, August 26th, 2006 AT 9:41 PM

1 Reply

Tiny
BRUCE HUNT
  • MECHANIC
  • 3,753 POSTS
I would pay attention to the color of the smoke. Gray, white, black, etc. Check the plugs for color as well. Gray plugs good black bad Wet bad. Is the coolant level dropping for you? Could be a head gasket. Compression that is consistant in all cylinders is important. Need to find the source of the smoke so find out what the smoke is like.
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Wednesday, August 30th, 2006 AT 11:16 AM

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