High nox at 15mph + 1998 integra

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August undefined, 2024

WebMay 7, 2024 · My 1998 Nissan Altima failed my smog check with high NOx (max NOx: 443 @ 15mph mine: 1026 NOx). No check engine light but a code of P0325. No other code show on meter. When I check the EGR valve (pull up on diaphragm underneath the valve) it stalls the car so seems to be working. WebMar 16, 2012 · The most likely source of the high Hydrocarbon (HC) is clogged or drippy injectors. Change the fuel filter if it is over 48K miles. Ran two or more tanks full of Chevron gas will help clean out the fuel system. The air fuel ratio can be off is the air filter is clogged or the mass air flow sensor give incorrect data to the computer (ECU).

Smog Failed - at 15mph only? - Pelican Parts Forums

WebJul 6, 2011 · Okay, here it is in plain English…If you failed because of NOx, it’s almost guaranteed to be one of these three reasons: Ignition timing is advanced too far. EGR system is not working correctly. 3-way catalytic converter has failed. Obtain an Emissions Control Systems Service Manual for your car. portofino south clubhouse

High NOx emmision at 15 MPH - Dodge Dakota Forum

WebNov 26, 2005 · If the problem is a high NOx level, then the reason for that is the combustion temperatures are getting too high. Aside from the obvious things such as a deficient cooling system, an engine that is running lean (that is, too much air and/or not enough fuel) will cause higher combustion chamber temps. ... My NOx was around 1200-1300 at 15MPH … WebNov 14, 2024 · High compression results in high temperatures and high NOx. Keep in mind this problem is usually seen in vehicles with over 150,000 miles which have been poorly … WebAug 23, 2014 · The maximum amount of HC's allowed on the smog is 58 at 15mph and 34 at 25mph. My NOx levels were VERY high double the maximum limit. At 15mph my car measured 1390 of NOx and the limit is 483 and at 25mph it measured at 1159 and the limit is 494. I went to a muffler shop and had a magnaflow cat installed and had the car retested. optiva chemotherapy

Just had smog and failed. reason high NOX at 15MPH. What are…

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WebJan 11, 2011 · No go. Here are my numbers: 1st test (drove 20 miles on freeway before taking test): /////////// 15mph // 25mph RPM ////// 1716 // 1698 CO (mea) 15.1 // 14.9 O2 (mea) 0.1 // 0.2 HC (max) 61 // 35 HC (mea) 26 // 19 CO (max) 0.34 // 0.47 CO (mea) 0.15 // 0.21 NO (max) 486 // 502 NO (mea) 626 // 658 WebJan 30, 2024 · High NOx is caused by elevated combustion temperatures. Some of things that can cause high NOx readings are, a malfunctioning EGR system, an engine that’s … portofino sling outdoor furnitureWebHonda Civic high NO readings. I own a 1995 Honda Civic. I need to know if a cold air intake and/or dirty EGR valve cause high NO readings? My Honda Civic recently failed the smog … portofino sup to kayak conversion kit

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High nox at 15mph + 1998 integra

Help: 97 Failed Smog due to high NOx at 15mph, now what?

WebShop surround sound processors from Lexicon, Anthem, Integra, Marantz, and other great brands. Audio Advice offers free shipping, price guarantee, lifetime support, and hassle … WebJun 14, 2024 · NOx is the result of high combustion temperatures and it is the job of the catalytic convertor(s) to convert NOx to other gases. If your truck has an EGR valve that …

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WebNov 14, 2024 · High compression results in high temperatures and high NOx. Keep in mind this problem is usually seen in vehicles with over 150,000 miles which have been poorly maintained. The solution to this problem is called De-Carbonizing. It usually costs around two labor hours at a smog check repair station. WebSubject: High NOx emmision at 15 MPH IP: Logged Message: Hey all, I recently moved to California from Arizona. The laws are different here so my car needs to be registered, weighed, and emission tested. I own and love my 1999 3.9L V6 but it keeps failing with high NO at 15MPH. Test 1: Baseline HC ppm 15 mph: 51/12/pass 25 mph: 25/6/pass CO %

WebJun 14, 2024 · From what I read online is that if the cat is failing all the emissions would be high, not just NOx at 15mph. This car doesn't have an EGR valve. Gonna bring it in again to have mechanic check the timing, for any vacuum hose leaks. Is there anything else I should bring up to the mechanic to check for? Thank You Last edited: Jun 14, 2024 http://www.automotiveforums.com/t627916-car_won_t_smog_high_nox_emissions_at_15mph.html

WebOct 16, 2006 · Anybody have any information that could help me figure out what to check so that I can fix it! Max NO at 15 mph was 501 ppm, mine was 667 ppm. Everything else was in spec. I'm thinking EGR valve, and I want to know if a nut kit or leaky regulator in the plenum could cause this too while i'm working on that. Any help would be appreciated... http://www.dodgedakota.net/boards/gen/27092.html

WebJun 23, 2024 · NOx is usually caused by high peak combustion temperatures and an EGR system can lower the peak temperatures. It could also be from over advanced timing, but …

WebSep 9, 2012 · 15mph 14.8 - 0 - 1 - .02 - 655 25mph 14.8 - 0 - 1 - .01 - 0 Those are all the measured numbers The 15mph max for NO is 467, and that is the only thing I failed. So to make this clear, I have 2 questions 1. Does the missing exhaust component deal with NO? 2. Why does the NO number drop to 0 at 25mph? portofino technologies cryptoWebNov 16, 2024 · Posts: 6. California SMOG Help Needed - High NOX at 15mph. Hi 4runners, Need your help on passing my Smog... Facts: -1997 4Runner SRS Limited 4WD - Stock with 175k miles. -Engine was rebuit about 5k miles ago after radiator broke and it over heated. - Since then check engine light was on for piston misfire but since was running fine and … optiva corporationWebDec 27, 2011 · 1) When asking for emissions help, POST YOUR EMISSIONS NUMBERS! Make a table, HC, NOx, CO, CO2 @ 15 and @ 25 and what the limit is. Include all the numbers you have not just what failed or passed. 2) Traditionally state emissions tests were not testing cars to their legal limits, and instead were giving them margin. optiva eating outWebJan 12, 2009 · NOx is 622, limit is 517 in the 15mph test (25mph passed). I know this means high combustion temps and its probably running a little lean. So... I'm wondering if bumping up to mid or premium grade gas (higher octane, slower burning) might help reduce combustion temps and therefore NOx? Would it mess up the HC or CO? portofino steak mushroom steak recipeWebJan 4, 2024 · Came back with a failed test due to high NO reading at 15 mph. MAX is 512 PPM and my reading was 566 PPM. NO reading at 25mph wasn't great but was below the … portofino south for saleWebRESUMO Essa pesquisa objetivou identificar quais variáveis são capazes de influenciar na probabilidade de publicação do relatório de sustentabilidade ou relato integrado pelas empresas listadas na BM&FBovespa nos anos de 2011 a 2014. optiva inc bangalore addressWebOct 31, 2024 · I went to go smog it and it only fails NOx at 15 mph. But at 20mph it passes with flying colors which the smog guy says its very weird that its in two different … optiva health diet