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| B-Series/Bravo/Bounty/Drifter Bravo is the Australian vesion, Bounty the New Zealand version and Drifter the South African version. |
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#1
08-12-2006, 03:27 PM
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nox too high failed ca. emisson test....
failed california emission test on my 86 b2000. nox reading was 1522 and the max is 1120. the reading was at 15mph. i passed at the upper speed measuring 848 with the max at 1190. what to do to get this engine to pass? test results were @15mph co 13.3, o2 1.9, hc 43, co .02, and no 1522. resulkts @25 co 1, hc36, co .02 no 848. any clues or advice greatly needed!!! thanks again edsel...
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#2
08-17-2006, 02:42 PM
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Re: nox too high failed ca. emisson test....
Check the vacuum hose going to the EGR for cracks or leaks. If none, test the EGR with a hand vacuum pump, may have to take that off and clean it to restore its operation.
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#3
10-04-2006, 06:38 PM
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Re: nox too high failed ca. emisson test....
Slap another catalatic converter on there, that should fix the problem.
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#5
10-04-2006, 09:23 PM
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Re: nox too high failed ca. emisson test....
The EGR system lowers Nox. Your EGR valve is not opening or a passage including the valve as Cusser wrote is restricted (blocked) by carbon.
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