1991 Honda Civic

Tiny
MIGUELSANCHEZ
  • MEMBER
  • 1991 HONDA CIVIC
1991 Honda Civic 4 cyl Front Wheel Drive Manual

i have a honda civic si, my catalyc converter got mess up so it cloged my whole exsaust system causing it to backfire I took off my cat and my muffler and the car is still backfiring
Thursday, March 18th, 2010 AT 11:45 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi miguelsanchez,

Have you checked the spark plugs, wires and ignition timing?
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Friday, March 19th, 2010 AT 8:19 AM
Tiny
MIGUELSANCHEZ
  • MEMBER
  • 2 POSTS
Yes I checked it last night and the first spark plug is full of oil like about an inch I am pretty sure that's the problem thanks for the advice do.
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Friday, March 19th, 2010 AT 10:49 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
You're welcomed.

Since oil is in the plug tube, check the valve cover plug seal and replace if necessary.
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Friday, March 19th, 2010 AT 10:59 AM

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