1997 Honda Civic Excessive oil use and blue smoke at startu

  • 1997 HONDA CIVIC
  • 4 CYL
  • FWD
  • 136,000 MILES
Used car did not have any maintenance history. Added an oil "cleaner" just before changing the oil & filter along with a fuel system cleaner. 5w-30 convential oil & a honda oil filter was used. Replaced oil pan and seal and air filter. I Started the car the next morning and lots of Blue smoke came out of exhaust pipe. This happens everytime the car sits overnight & sometimes at freeway speed going up a steep hill there may be a little blue smoke. Once the car gets to operation temp the smoke goes away. Had a compression test done when the car was warm & it was 100 for each cylender. On a 200 mile road trip it consumed 1qt of oil. There are no visible leaks, the car got 35mpg with a mix of highway/city driving. It has plenty of power. Checked the spark plugs & they looked burned to a crisp. Hardly any node left. I can't believe the car even runs and runs well with these spark plugs. Again I have no idea how much maintenance has been done to the car if any esspecially after looking at the spark plugs. With that a timing belt may also need to be changed. Do you think that I have bad rings or valve seals, crankshaft seals, all the above or none of the above? Would replacing the spark plugs & wires along with rotor & cap and pvc valve and fuel filter help or should I stick with the rings and seals and timing belt first?
Do you
have the same problem?
Saturday, August 23rd, 2008 AT 2:48 AM

1 Reply

Hi tigertim,

The bluish smoke during start up points to bad valve seals. Low compression of 100 psi means the rings are due for replacement.

Based on your description, I would recommend a ring and valve job.
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Saturday, August 23rd, 2008 AT 9:51 AM

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