Volvo RWD 200 Forum

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Can't pass emissions in Denver-'81 245 200 1981

posted by  someone claiming to be paul on  Thu Jul 1 14:40 CST 2004 [RELATED]

Just wondering if anyone has any ideas on how I can get my car to pass Colorado Air Care emissions??

Failed because carbon monoxide was too high.


Here is the results:

At 2500 rpm: At idle: Limits:
CO % 5.23 1.97 1.50
HC ppm 153.7 94.0 400.0
CO2 ppm 6.2090 NA

Sounds like the mixture is too rich?? I have another fuel distributor/warm up regulator that I'm planning on swapping out. I also have a colortune setup to try and get the mixture right.

Any ideas would help.

Thanks-

Paul








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Can't pass emissions in Denver-'81 245 200 1981

posted by  someone claiming to be landlockedsurfer on  Sat Jul 3 18:53 CST 2004 [RELATED]

sorry, was tired when I posted this and neglected to note that this is an 81.... no amm (or maf...lol) please disregard...







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Can't pass emissions in Denver-'81 245 200 1981

posted by  someone claiming to be landlockedsurfer on  Fri Jul 2 12:14 CST 2004 [RELATED]

how long has it been since a tuneup? adjust fuel mix? If you tune it up and adjust the fuel mix correctly it should pass, if not then the cat is probably suspect.... I am in denver if your maf is bad, I can supply one






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