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Failed NOx - all greek to me! 200

posted by  leugim on  Fri May 23 06:13 CST 2003
Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
last visit: Sat Oct 18 20:49 CST 2014
[RELATED]

'87 245, 192,000 miles.1/25/03
State of Maryland

Actual Cutpoint
HC (gpm) 1.3581 1.8000
CO (gpm) 3.3626 30.0000
NOx(gpm) 3.8535 2.8000

Failed 1st time
...put in new plugs, wires, cap and rotor, air filter, flame trap

Failed second time ... NOx was about 3.0093

3rd time, I thought ... vehicle was probably not warmed up (5 min ride to test facility)
added premium, drove the hell out of it to warm it up
NOx was 2.9394 gpm

ARGGHHH . I do not have a timing light (I will at 4:30 pm tonight)
What should I do ? other than adjust timing (retard correct?)
Frustrated in Westminster.
Miguel
--
'86 244 and '87 245






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