SPONSORED LINKS

1994 Buick Regal FAILD EMISSIONS

Tiny
BIKERBILL
  • MEMBER
  • 1994 BUICK REGAL
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
MY 94 BUICK RIGAL FAILED ON HC READINGS WERE 1.3725 LIMITS ARE 1.2000 THE CO READINGS WERE 12.0420 LIMITS ARE 15.000 (PASS) NOX ARE GITTING CLOSE WITH A READING OF 2.9870 LIMITS ARE 3.0000 ENY THOUGHTS AS TO WHY IT RUNS GOOD AND DOUS NOT GET TO HOT?
SPONSORED LINKS
Friday, June 27th, 2008 AT 1:08 PM

1 Reply

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
HC failure in an emissions test usually indicates a poor ignition or misfire. Try replacement of the spark plugs, use the manufactures' recommended plug and that it is gapped correctly.
Was this
answer
helpful?
Yes
No
Monday, June 30th, 2008 AT 5:31 PM

Please login or register to post a reply.

Related Emission Content

Emission System
GUIDE
Emission System
Emission control systems or EVAP system as there are called have been incorporated into automobiles to prevent pollution by limiting the amount of un-burnt and evaporated ...

Sponsored links