Use only OEM codes of spark plugs, don’t buy cheap alternatives!ģ.
#9cbb e90 error counter 1 series
Also, NGK in their catalog has indicated inappropriate spark plugs (indicated, that spark plugs, which are suitable for N52 series engines, can be used ion N43/N53 series engines). if the spark plugs are installed recently, and the engine restored the ability to work in Stratified charge mode recently (and problems started directly after restoring Stratified charge) – check the installed spark plugs! In their catalog, Bosch has mistakenly indicated, that they manufacture spark plugs, which can be used in N43/N53 series engines. for example, for N43/N53 engines, the spark plugs serve not more than 20. For engines of the new generation (direct injection), the spark plugs have to be replaced quite often. If an increased number of misfires is indicated by all or almost all cylinders:ġ. But the performance of the engine is uneven, and misfire counters are checked: they indicate problems with fuel ignition. I assume the basic problems of the engine performance are repaired – DME has no error messages, recorded in the error message memory adaptations and other live data indicate correct values. When long-term and short-term misfire counters are observed, we have made the decision, what to do. Repeat the procedure, until all counters of misfires during sessions become 0 (the counters will decrease with speed – 1, till the value of 0 will be reached). The counters can be deleted in the following way:
Misfire counters may have increased values after driving on the uneven road.
#9cbb e90 error counter 1 software
Acceptable values: up to 5 during the long driving session (more than an hour).Įxception: some MSD80 software releases are very sensitive to the uneven road. Misfire counter of the actual session should be close to 0.If some of these counters are different from 0: corresponding cylinder has problems with ignition. Misfire counters during sessions should be 0.The image: how the counters of an actual session and during sessions are placed. Starting new driving session, the counter of an actual driving session will 0 (it is being zeroed), but counter during sessions will be: 2 – 1 + 33 * 0,1 = 4. Sample: the counter of the actual session is 33, the counter during sessions is 2. (some resources describe relevance: 0,9 * long_count + 0,1 * act_count). The counter of misfires for an actual session is zeroed, when the driving session is started.Ĭounter of misfires during sessions is calculated as following: long_count – 1 + 0,1 * act_count, where act_count is count of misfires for previous actual session, but long_count is counter during sessions. Note: this feature is available for the following engines: N43/N53 N54 N55, etc.Įach cylinder has misfire counter outputs, and they contain two kinds of information:Ī) counter of misfires for the actual session Open OBD mode 6 (‘On-board monitoring’ for Touch Scan ‘Monitored test results’ for Scan Master ELM)ĭisclaimer: as usually – no information from the manufacturer regarding algorithms, all information gathered from analysis and observations.Start diagnostics software (for example: Touch Scan or Scan Master ELM).After driving session ( do not switch off the engine)
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