Hi Tillman, welcome.
2.69%
Hi Tillman, welcome.
2.69% CO is way too high - should be 1%-1.2% pre-cat, which very well could drop the HC's to around 180-200 where they should be and
0.43% CO is way low - should be identical on both sides (1.0%-1.2% pre-cat if equipped)providing these numbers are Pre-Cat.
After the cats the numbers should be substanialy lower...maybe the 0.43% number listed.
It would greatly speed up the tweeking process to balance both banks with Vacum Gauges and set idle mixtures pre-cat to spec. As long as HC's don't spike settings as low as 0.80% CO are acceptable.
*note: if so equipped disconnect O2 sensors while performing adjustments.
Regards, JRV
2.69%
Hi Tillman, welcome.
2.69% CO is way too high - should be 1%-1.2% pre-cat, which very well could drop the HC's to around 180-200 where they should be and
0.43% CO is way low - should be identical on both sides (1.0%-1.2% pre-cat if equipped)providing these numbers are Pre-Cat.
After the cats the numbers should be substanialy lower...maybe the 0.43% number listed.
It would greatly speed up the tweeking process to balance both banks with Vacum Gauges and set idle mixtures pre-cat to spec. As long as HC's don't spike settings as low as 0.80% CO are acceptable.
*note: if so equipped disconnect O2 sensors while performing adjustments.
Regards, JRV