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> Failed Emission Test..., ...running too lean
post Sep 25, 2004 - 11:24 AM
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LatinKraze



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I was told by the Smog shop that I was running too lean. They said that I wasnt getting enough air and the Air to Fuel was off by a bit. They said that maybe if I removed the air filter while doing the test it might help for it to breathe better. So I removed it and they ran the test again and the numbers came back 5x worse. I have to get 1.2 reading at the most, with out the filter it ran at 10.0-15.0, and I am currently at 2.08 with the air filter in. They said it might be the Mass Air Flow Sensor. I went to the dealer and they said that my car does not have one. I think it might be my O2 sensor. Can this make my car run lean? I dont want to change them out cuz the previous owner cross threaded the mofos. Where can I start fellas? Any suggestions? Thanks

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post Sep 26, 2004 - 2:12 AM
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FAQdaWorld



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werd, running lean means that theres not enough fuel, and the ratio of fuel to air is not correct with their being to much air. Check your O2 sensors perhaps? I'm not sure I understand why in terms of emissions they would care about you running lean, its more just bad for your engine....


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Posts in this topic
- LatinKraze   Failed Emission Test...   Sep 25, 2004 - 11:24 AM
- - shid   Try cleaning the O2 sensor.. but isn't running...   Sep 25, 2004 - 1:13 PM
- - ShadowFX   yeah i thought lean was gas<air, rich was gas...   Sep 25, 2004 - 9:57 PM
- - OOBE   Oh gosh those people are dumb. They tell you you...   Sep 26, 2004 - 12:46 AM
- - FAQdaWorld   werd, running lean means that theres not enough fu...   Sep 26, 2004 - 2:12 AM
- - shid   come to think of it- wouldn't running lean be ...   Sep 26, 2004 - 2:13 AM
- - LatinKraze   Im going to take her to my mechanic. He said he...   Sep 26, 2004 - 4:19 PM
- - LatinKraze   Any other suggestions or thoughts before I take he...   Sep 27, 2004 - 1:59 PM
- - LatinKraze   What the hell is going on?!?! I went to ge...   Sep 29, 2004 - 11:02 AM
- - shid   Latin, get the **** out of that testing station. F...   Sep 29, 2004 - 11:41 AM
- - LatinKraze   They dont repair. My deadline to have it registere...   Sep 29, 2004 - 11:51 AM
- - Supersprynt   Oh man they dont know what they're doing. Did ...   Sep 29, 2004 - 12:21 PM
- - LatinKraze   Well, he confirmed it is running rich and not lean...   Sep 29, 2004 - 12:43 PM
- - shid   QUOTE (LatinKraze @ Sep 29, 2004 - 5:43 PM) It...   Sep 29, 2004 - 12:46 PM
- - LatinKraze   Lol, Here Picture provided w/o permission by: P...   Sep 29, 2004 - 12:59 PM
- - Supersprynt   Maybe theres something wrong with ur MAF sensor, b...   Sep 29, 2004 - 2:11 PM
- - bufferdan   Pointing to the EGR system? Have you messed wi...   Sep 29, 2004 - 2:52 PM
- - LatinKraze   QUOTE (Supersprynt @ Sep 29, 2004 - 12:11 PM) Mayb...   Sep 29, 2004 - 4:25 PM
- - recneps   if your running too rich im pointing at your egr v...   Sep 29, 2004 - 6:37 PM
- - Kwanza26   QUOTE (LatinKraze @ Sep 29, 2004 - 9:25 PM) He cal...   Sep 29, 2004 - 7:18 PM
- - LatinKraze   He even touched the TPS but he called it a MAF sen...   Sep 29, 2004 - 9:23 PM
- - Anub1s   The way that it was explained to me is that the TP...   Sep 29, 2004 - 9:25 PM
- - LatinKraze   Well it passed inspection at my mechanics yesterda...   Oct 1, 2004 - 11:58 AM
- - Fox-N-It2   Replace your O2, cap, rotor, wires, plugs, airfilt...   Oct 1, 2004 - 2:39 PM
- - LatinKraze   Air filter is clean; O2 sensors changed 9 months a...   Oct 1, 2004 - 2:46 PM
- - LatinKraze   I went to a different smog place and it passed. Go...   Oct 2, 2004 - 11:17 AM
- - turboinduction   QUOTE (LatinKraze @ Oct 2, 2004 - 11:17 AM) I went...   Oct 2, 2004 - 11:26 AM


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