High nox at 15mph + 1998 integra

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). 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...

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

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. WebJan 15, 2016 · HC, CO all low well within limits. vehicle has 187,000 miles on it. perform a chrysler top end cleaning (better version of sea foam) nox drops to 1,000 NOX at 15, 880 … bizhub 423 scan to folder https://bradpatrickinc.com

1998 Toyota Tacoma 3.4L Failed CA Smog Test. High NOx at 15mph …

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 % 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. 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 … date of statehood in texas

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

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High nox at 15mph + 1998 integra

High NOx reading in smog test in Calif Team Integra Forums

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

High nox at 15mph + 1998 integra

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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 … 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 …

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. WebShop surround sound processors from Lexicon, Anthem, Integra, Marantz, and other great brands. Audio Advice offers free shipping, price guarantee, lifetime support, and hassle …

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. 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

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 …

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. bizhub 420 tonerWebSep 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. date of statehood of georgiaWebEngine 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 … bizhub 4402p tonerWebJan 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 date of state of the union 2021WebJan 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: date of statehood for hawaiiWebDec 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. date of status on green cardWebNov 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 … bizhub 42 can i take the trays out