2/14/2023 0 Comments Cadillac crx 4 cylIn Spark Ignition Direct Injection (SIDI) system applications, if a fuel injector fault DTC is set during a misfire event, the ECM will not re-enable the injector. If the misfire is not present, the fuel injector will remain enabled by the ECM. If the misfire is still present, the ECM will disable the fuel injector again repeating the process. The ECM will then re-enable the fuel injector and, after approximately 200 engine revolutions, will determine if the misfire is still present. When the ECM detects that one or more specific cylinders are misfiring, the DTC for the respective misfiring cylinder will set, and up to 2 of the corresponding fuel injectors are disabled for a minimum of 30 s. The Diagnostic Trouble Codes (DTC) P0305 correspond to cylinders 5. Sometimes listing the Vin Engine number helps to to locate info. Please be sure that when you list your questions on autos be more precise on info provided. This should be the firing order 2004 Northstar RWD/AWD 4.6L V8 (LH2). The malfunction indicator lamp (MIL) will flash when the conditions for catalytic converter damage are present. Need the firing order for a 2004 Cadillac v8 northstar. By monitoring variations in the crankshaft rotation speed for each cylinder, the ECM can detect individual cylinder misfire events.Įxtreme cylinder misfire events can cause catalytic converter damage. The Engine Control Module (ECM) uses information from the crankshaft position sensor and the camshaft position sensor to determine when an engine cylinder misfire is occurring.
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