WebWhat causes High NOX Emissions Thousands of technicians have faced the challenge of bringing a particularly stubborn application into compliance for NOx emissions. High NOx readings are a clear sign of performance issues somewhere in the system. The question is, where? Among the potential causes of non-compliant NOx readings are: Misfire condition WebNov 28, 2024 · if the SCR is saturated with DEF it can cause false high NOX readings but a regen will clean it out. been thorugh 3 regens since the ECM was reaplaced less than 50 miles ago, both the nox sensors were reset and the front one isn't subject to ammonia loading like the rear one but both are reading 200 PPM with no fuel to the engine. 2004LB7
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WebAs the oxygen is used to form NOx, the oxygen will be used up, causing a lot of hydrocarbons to be unused. The gas analyzer will read high HC, low C0, high 02, low C02, … WebDec 15, 2024 · The PACCAR emissions systems have Nox sensors that default at 3000 ppm. It never gives a reading and throws the fault code. Verify proper voltage/ohms on wires and sensor itself, then replace. 2012 2500 4x4 CCSB, G56 Gorilla Juiced, H&S Mini Maxx, 5" TBE, DPF and EGR/Cooler MIA, SB DD3250, ARP 625s, 2nd gen Manifold Swap, Stainless Diesel ... dutch sheets latest give him fifteen
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WebJun 18, 2024 · This method is significantly more accurate than a Simple NOx reading because it involves the direct measurement of both NO and NO 2 using separate high … WebHigh NOx readings at the tailpipe are an clear indication that there is a problem in at least one part of the system, but an NOx reading that appears within "normal" ranges or is only … WebJul 22, 2024 · NOx is usually high due to a problem with the EGR valve, its related components that operate it, or clogged pipes between the EGR valve and the exhaust pipe, or, less commonly, between the EGR valve and intake manifold. Thanks! We're glad this was helpful. Thank you for your feedback. dutch sheets real name