1997 CADILLAC CONCOURS HEAD GASKET

  • Tiny
  • lenvette
  • 1997 Cadillac Concours

Engine Performance problem
1997 Cadillac Concours V8 Front Wheel Drive Automatic 63,000 miles

can a defective head gasket cause a cylinder to run lean and miss with out showing any other signs of a leak

Do you
have the same problem?
Yes
No
Friday, August 7th, 2009 AT 11:28 AM

1 Reply

  • Tiny
  • factoryjack
  • Expert
  • 4,262 posts

It can definately cause it to miss, as the coolant doesn't burn. It would create more unburned fuel in the system, that may cause it to indicate rich. The coolant is also capable of contaminating the O2 sensor.

Was this
answer
helpful?
Yes
No
Friday, August 7th, 2009 AT 10:18 PM

Please login or register to post a reply.

Similar Questions