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Aug 21, 2018 · P0302 in the GMC Sierra is a common OBD II trouble code. It indicates that your truck’s second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your Sierra’s check engine light to come on, you shouldn’t drive your truck at all. Repairing P0302 should be ...
The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. In this video,...
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P0302 Code Explained: Diagnose & Fix Cylinder 2 Misfire |In this video, we break down the P0302 code, meaning "Cylinder 2 Misfire Detected." Learn what cause...
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- WeeklyTools
Jul 21, 2022 · Code P0302 2014 GMC Sierra Description. A misfiring cylinder causes slight variations in the rotational speed of the crankshaft. The Engine Control Module ( ECM) can detect these variations by closely monitoring the crankshaft position sensor signal. The signals of the camshaft position sensors are used to determine which cylinder is misfiring.
Let’s go into more depth and learn exactly what does the code P0302 mean? The first thing to understand is that the code indicates that the number two cylinder is the one that is failing to fire specifically. Secondly, the engine cylinders are controlled by the powertrain control module, or PCM. It is the PCM that controls and monitors the ...
The code is triggered once your ride’s PCM detects frequent misfires on cylinder 2. A P0302 code can be caused by a bad fuel injector or a malfunctioning injector circuit. A failed coil pack or worn spark plug can also trigger the code. It can also be triggered by engine mechanical issues like a sticking valve or weak piston rings.
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What is the p0302 error code?
Feb 10, 2022 · P0302 definition: Cylinder 2 misfire detected. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low engine ...
