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High nox at 15mph + 1998 integra

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. WebNov 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 …

1998 Toyota Tacoma Failed CA Smog Test. High NOx at 15mph …

WebSep 7, 2015 · HC was 1 at 15mph and 0 at 25mph. CO was 0.02 at 15mph and 0.03 at 25mph. Engine RPM was 1800 at 15mph and 1700 at 25mph. CO2 was 14.5 both times (but there is no limit) and O2 was 0.04 and 0.06. I bought a can of "guaranteed to pass" and put it in the gas tank immediately after failing the test. WebSep 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 … scratch king south carolina youtube https://oakwoodlighting.com

My 1998 Nissan Altima failed my smog check with high NOx…

WebSep 8, 2024 · Where the legal limit for NOx emmision at 15mph is 459 parts per million, my car was putting out 583 parts per million. This was a FAIL, which meant that I had to take action to fix this car, so that it polluted less. 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 … 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 … scratch kinect

1994 Acura Integra Emission Test Failed: I Have Been Reading …

Category:FAILED Smog Test Emissions, High HC and NO at 15mph

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High nox at 15mph + 1998 integra

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

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). WebWould like any second opinions, mechanic said replace the catalytic converter but there is no promise that will fix these numbers. From what I read online is that if the cat is failing all …

High nox at 15mph + 1998 integra

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http://www.dodgedakota.net/boards/gen/27092.html WebDec 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.

WebNox 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 ... WebJan 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 …

I had a smog test yesterday and Failed at 15 mph with high HC (MAX 61; MEASURED: 146) and high NO (MAX: 467; MEASURED: 1069). I also had my oil changed before the test, what I'm trying to do now is change out the fuel filter and clean the air filter, and I just put on some STP fuel injector cleaners. 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 extremes. Im going to check base timing and my egr when I …

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 scratch kinderenWebFeb 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 … scratch kingWebMy 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 … scratch kissing