1994-2002 [Subscribe to Daily Digest] |
That engine is a relatively high compression system. Higher compression ratios lead to more CO.
Combustion chamber deposits increase compression. Techron Concentrate will remove a substantial amount of those deposits and will also clean the injectors. Large bottle is around $10 at most auto parts stores. Follow the directions.
An intake air leak can create more NOX. Check that some intake manifold bolts are not lost or busted off.
What is the state of the plugs?
runs well?
starts well?
idles well?
power and resposiveness ok?
MPGs ok?
burns oil?
No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.