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81 240 turbo..high co low nox failed smog 200

posted by  916volvosport on  Wed Aug 25 10:10 CST 2004
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i replaced the o2 sensor, cat, muffler, cleaned k&n air cleaner, replaced the broken pcv, adjusted dwell (fluctuated between 40 and 50).. i tried searching the forum and turbobricks.. no previous answers.. valves are adjusted and vx3 cam advanced 6 degrees..

here's the readout:
15mph:
co2 meas: 11.10%
o2 meas: 0.07%
hc (ppm)
- max: 133
- gp: 323
- meas: 107
co (ppm)
- max: 0.96
- gp: 2.46
- meas: 5.77 (failed)
no (ppm):
- max: 1115
- gp: 2223
- meas: 149

25mph:
co2 meas: 13.80%
o2 meas: 0.40%
hc (ppm)
- max: 105
- gp: 33
- meas: 22
co (ppm)
- max: 0.76
- gp: 0.14
- meas: 0.84 (failed)
no (ppm):
- max: 945
- gp: 357
- meas: 113

-patg





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