2024 High nox at 15mph + 1998 integra

High nox at 15mph + 1998 integra

Author: qibs

August undefined, 2024

http://www.dodgedakota.net/boards/gen/27092.html WebNov 21, 2007 · so just and got my smog check done today for my 1992 toyota mr2 2.2L , and did not pass because it says that my nitrogen oxide is high being that at 15 mph the max is 807 and i got 1338 and then at 25 mph the max is 746 and i got 1728, wat type of problem does that suggest is going on with my car the smog tech said it is prob something to do …

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WebMy acura integra did not pass nox at the 15mph mark, but did pass at the 25mph mark, and so did everything else pass, I am aware that, the most common problem can be the egr … 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 … hanen musa

Smog: Will higher octane fuel help reduce NOx? Pirate 4x4

WebJan 21, 2024 · Toyota 4Runner Forum - Largest 4Runner Forum > Toyota 4Runner Forum > 3rd gen T4Rs > Help: 97 Failed Smog due to high NOx at 15mph, now what? User Tag List: Reply: Page 2 of 2 < 1: 2 Thread Tools: Rate Thread: Display Modes: 01-04-2024, 07:33 PM #16: calnhob. Member : ... California 5vzfe failed smog high NOX: Joachim2311: 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). hanen ktita

Failed Smog test for NOx emissions too high at the 15mph test

High HC (ppm) at 15 mph and 25 mph - Fixya

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 … 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 hanen sarkis kanaanWebNox is created when engine combustion chamber temperatures rise above 2500f. There are a few reasons your Honda Civic could create high NO. Two main things however are a lean fuel mixture, which is typical of a vacuum leak. A vacuum leak is basically unmeter air entering the intake manifold. The second is a defective EGR system (if your Honda ... hanen kraaien

"WebJan 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? " - High nox at 15mph + 1998 integra

High nox at 15mph + 1998 integra

WebJul 1, 2013 · edjack, the smog facility was only about 6 miles away. I spent maybe 8-10 min on the highway along with a few local roads. I turned off the car when I parked for maybe 5 min before the tech drove it in during the test. After I replace the pre-cat O2 sensors I will drive it hard for a good while before doing the test. WebOct 5, 2024 · Since you’re the resident genius what types of conditions can cause the 15mph NOx levels to be so high during a smog test ? It passed at the 25mph test. Is it only the …

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WebAug 21, 2010 · hc at 15mph max: 90 measured: 112 hc at 25mph max: 43 measured: 43 This is the 2nd time I failed smog. 1st time was cuz I had a 49 state legal cat, switched it out and now all my numbers look good cept the HC. I ran the car for a good 30 minutes before smogging. I'm thinking switch the... WebEngine Overheating - Inadequate engine cooling can will high NOx. If your vehicle's cooling system is not working efficiently, (i.e. bad radiator, thermostat, hoses) high NOx will be …

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 … WebFeb 4, 2024 · What Causes High NO (NOx)? SmogTips.com. Nitrogen Oxide or NO is created when an engine's combustion chamber temperature reaches over 2500F. Vehicle …

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 % http://www.automotiveforums.com/t627916-car_won_t_smog_high_nox_emissions_at_15mph.html

WebOct 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 …

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. hanen yllätysten edessäWebDec 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. hanene moallaWebJan 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 … hanen parallel talkhttp://forums.pelicanparts.com/101-projects-discussion-forum-bmw-3-series/724217-smog-failed-15mph-only.html hanen youtubeWebMay 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. hanen väitöskirjaWebSep 7, 2015 · My 98 Lexus GS300 had tested in 2010 and 2012 at 50% NOx limit at 15mph, while 25mph was low. But most recent test in 2014 it swapped, so it hit 50% of NOx limit … hanene mulatonWebHonda 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 … hanen routines