Mucar Diagnostic Scan tool in How to fix a misfire P0300 P0301 P0302 P0303 4-12

Building on our previous diagnostic steps, this video demonstrates a comprehensive engine misfire fix for a vehicle's #2 cylinder. We show the entire car repair process and how to use an obd2 scanner to confirm the success of the repair. Watch to see the diagnostic data differences before and after the fix! Demonstration was on a 2014 Mazda 3 with a 2.0L engine.
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Part 1: MUCAR 892BT | Why This Diagnostic Tool Beats Others in 2026
https://youtu.be/mIrtRQMwEGA
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Chapters
0:00 Intro 2014 Mazda 3 2.0L Misfire repair
3:12 Step 1 Cold engine cylinder ignition drop test
5:12 Step 2 Hot engine cylinder ignition drop test
8:40 Step 3 Spark Plug Removal and Inspection
11:10 Step 4 Engine Compression Test
17:57 Step 5 How to get the free software upgrades
21:27 Step 6 Spark Plug Ohm testing and gapping
33:12 Step 7 Installing ignition coils and plugs PRO TIP
33:45 Step 8 Air Box problems
41:50 First Start Up
42:49 Pro Testing Tip from 30 years of experience
43:39 Post repair secondary ignition test results
45:21 100 miles MUCAR rescan
51:19 Before and after engine mount BONUS CLIP
51:32 Summary and thank you for watching!

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