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06-04-2010, 06:17 PM
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AF Newbie
Join Date: Apr 2009
Location: phoenix, Arizona
Posts: 6
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93 pathfinder emissions help
I bought a 93 pathfinder and took it thru emissions
the HC was 3.62,CO was 74.65,the NOX was 1.46 I changed the spark plugs and found a vacuum leak going to the fuel pressure regulator and fixed that. I took it in today And the readings were as follows. HC 3.16 CO 21.78 NOX1.34 The numbers I need are HC2.00 CO.20.00 Nox 4.00 The mass air sensor I think needs replaced ,when I decelerate it wants to die ,even more so with the ac on.. So what I'm asking for is ,is there anyway I can get the readings on the HC and the CO down to the acceptable levels without spending an arm and a leg? Any help would be greatly appreciated. Thanks,  |
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