Emissions test fail...

The Nissan 300ZX (Z32) general community discussion forum
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maxZpak
Posts: 90
Joined: Wed Oct 11, 2006 5:46 pm
Car: 1990 Nissan 300zx Turbo/ 2000 Nissan Pathfinder 4x4

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hey guys I have a 90 twin turbo and just took the car to emissions it faild on one part. The CO (carbon Monoxide level mine was 1.9 and standard is 1.2 what do you think I can do to pass the test. They said that the engine is not getting enough air or something???

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freakonaleash1187
Posts: 1460
Joined: Tue Jan 27, 2004 5:09 pm
Car: '93 300ZX N/A, '97 200SX SE

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Check your O2 sensors and EGR valve by doing an ECU diagnosis.

http://www.ttzd.com/tech/diagnostictech.html
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maxZpak
Posts: 90
Joined: Wed Oct 11, 2006 5:46 pm
Car: 1990 Nissan 300zx Turbo/ 2000 Nissan Pathfinder 4x4

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whats an EGR valve?
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evildky
Posts: 14225
Joined: Sat Jan 31, 2004 9:23 pm
Car: 71 Datsun 240ZT
87 Nissan 300ZX N/A-T
06 Nissan 350Z GT
Toyota Tundra TRD RW
Location: Louisville, KY
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Exhaust Gas Recirculation valve
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