To complete story I've fitted new lamda sensor and CO has dived to 0.57% from 7.6%, HC to 58 ppm from 227 ppm. Result passed MOT.
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| 964 emissions with de-cat pipe https://forums.tipec.net/viewtopic.php?f=7&t=8623 |
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| Author: | Eric Finley [ Thu May 27, 2010 8:46 pm ] |
| Post subject: | 964 emissions with de-cat pipe |
Hi All Can anyone tell me what emissions (co) to expect on a 964 with a de-cat pipe fitted. Mine seems to be high, want to know if it should be less than the 4.5% that the mot allows for a 1990 car. Eric |
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| Author: | tr7v8 [ Thu May 27, 2010 9:11 pm ] |
| Post subject: | Re: 964 emissions with de-cat pipe |
Eric Finley wrote: Hi All Can anyone tell me what emissions (co) to expect on a 964 with a de-cat pipe fitted. Mine seems to be high, want to know if it should be less than the 4.5% that the mot allows for a 1990 car. Eric 1990 car is 3.5% not 4.5%, Porsches generally are pretty low. The 944 is 1.8%. |
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| Author: | Eric Finley [ Wed Jun 02, 2010 6:10 pm ] |
| Post subject: | Re: 964 emissions with de-cat pipe |
To complete story I've fitted new lamda sensor and CO has dived to 0.57% from 7.6%, HC to 58 ppm from 227 ppm. Result passed MOT.
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