Rough run.
What is the difference between NOXEM NOx emulator and OEM NOx sensor? ISTA reads all information regarding car’s configuration and chooses correct order for cylinders (or at least – so would the software of dealer’s level supposed to work). Dealers attempt to “sketch” you for EUR 6000? This value can be significantly different for different versions of DME! •
Stratified charge performance check. The menu states, that the injector is turned off, but the engine performs as before; as we see, possibility to exit the ECU call-up menu is turned off; 2. This entry is dedicated to the topic – how to work with Rough run data, how this information can help us in our work. I can say from experience: around +/-5% efficiency jittering is normal to the used engine. BMW 1-SERIES ENGINE ROCKER COVER CYLINDER HEAD 8892682 E87 120 2.0 DIESEL (2008) £39.99. If current INPA loader is used for the first time, it is useful to check the sequence of ALL cylinders, one by one turning off (for several seconds) their ignition coils and observing Rough run data. Are there any ways to see the “health status” of the NOx system? N43/N53 E and F series, E series. Obviously, specialists of BMW AG dealer centers are using this Rough run menu… I don’t know, for what and how; obviously, the engineers of BMW AG are not using ISTA for their own needs – only in this way I can explain such fundamental errors of code and logic! Note: in the bottom part of the INPA menu the status of flywheel adaptations is visible. BMW 1 3 SERIES E81 E82 E88 E87 LCI E90 E91 N43 ENGINE CYLINDER HEAD ROCKER COVER. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. times – that’s why, when talking to Rough run, I never mention absolute values (without connection to 0 efficiency they will not give any information). It’s interesting, that INPA stops displaying Rough run data, as soon as DME confirms, that it’s not idle mode anymore, instead, ISTA (from the Main menu) continues to display data also till higher RPM (to 1500 .. 2000 RPM).
It is easier (more logical) to create all software performance.
Throttle and accelerator pedal. Part 2. For example, there are versions, where 0 efficiency by INPA will be displayed around +8.0 units; there are versions, where the 0 value will correspond to +0.2.
In turn, DME usually numbers cylinders according to firing order. And at last – I’ve identified cases, when (obviously, by human factor/result of mistake) the cylinder order even for the N52 series engine don’t matches nor firing, not placement order! N series. If the learnbit is not colored, perform braking with an engine in overrun mode (4st gear from 100 .. 110 km/h) for at least 5 seconds – till learnbit gets colored. I have a question to BMW AG – if I cannot see Rough run data, Lambda values, and other information, while any component is triggered, so – WHAT’S the point of such triggering? Typical situation in case of damage of the NOx sensor, Intake manifold. For example, ISTA D, version 3.51.13, using diagnostics module of MSD80: a) when trying to turn off the injector of cylinder No.1, menu shows, that the injector is turned off, but in reality, it’s not done; b) trying to turn off injectors of the 2nd and 3rd cylinder – some of them are turned off, but, when trying to turn off the injectors of cylinders No.4 .. 6, the error message appears; c) even, if the injector of any cylinder is successfully turned off, Rough run data can NOT be seen, it means, if they were chosen to display, this selection is canceled, and it’s not possible to repeatedly choose the display of Rough run data (while the injector is turned off); d) while any of injectors is turned off, it’s not possible to exit DME menu, to choose Smoothness menu on Service section (Main menu on the top of the screen). Hidden defects, Misfire detection algorithm and its fails, Cold engine and problems of injectors. INPA uses the same script for N43 and N53 series engine – the “mess” with cylinder order displaying us guaranteed – there is a menu, where the cylinder order of N43 series engine don’t matches nor firing, not placement order! N43: 4 cylinder inline DOHC 16v Direct Injection naturally aspirated petrol engine: petrol: 1995cm3: 2007-now: N45: 4 cylinder inline DOHC 16v Double VANOS petrol engine: petrol: 1596cm3 - 1997cm3: 2004-now: N46: 4 cylinder inline DOHC 16v Valvetronic petrol engine: petrol: 1796cm3 - … If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Part 2, Importance of the service procedures. Please use part numbers provided to confirm fitment to your car BEFORE buying, incorrect purchases are subject to a 25% return surcharge. Also, INPA usually shows similar “polarity” of Rough run data – decreased efficiency of the cylinder is displayed with >0 data value.
DME, measuring the momentous speed of the flywheel, measures the efficiency of each cylinder and, knowing, in which cylinder the fuel burns in the exact moment, knows, how to calculate relative contribution (comparing to other cylinders) of a current cylinder. In the image: ISTA Rough run data (ECU call-up menu). b) values of Rough run data, which matches efficiency 0; c) displaying the order of cylinders in Rough run menu INPA/ISTA; d) displaying order of cylinders in injector turning-off menu (if it works); we can evaluate the mechanical efficiency of each cylinder!
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