Metal slug 4 game2/7/2023 ![]() ![]() On older engines where the injectors are all fired simultaneously, the good injectors can often compensate for one or two bad injectors. One bad injector will cause a noticeable misfire and usually set a P030X misfire code (where X represents the cylinder that is misfiring). This is especially important on late-model engines with sequential fuel injection. ![]() They do, but the question remains, “How much pressure?”įor the engine to start and run smoothly with no stalling, hesitation or misfiring, the injectors have to deliver the proper amount of fuel with every squirt. If the engine cranks but won’t start, and they depress the service valve on the fuel rail and some fuel squirts out, they assume the injectors have pressure. If the engine runs, they assume the injectors are getting adequate fuel pressure. ![]() All too often, technicians assume fuel pressure is “good” without actually measuring it with a gauge. ![]()
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