Check Engine Light Flashing? Misfire Diagnosis By Autolite Spark Plugs




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christopher richard: Great video very informative

Yony Loya: I have the same problem with my escalade, i change spark plugs and wires but, still same, would you recommend? Next?

Rod Will: after replacing spark plugs and wires i still hove a misfire in cyl 4 some times on start up the engine light flashes, after a min it smooths out this is a 1997 ford f150 4.2l v6 engine u have any thoughts

abadi gebremaryam: good

Jesus Vazquez: I have two cylinders misfire that don't fire up two of the injectors because some guy didn't even install the timing chain right 

Sergio Vargas: I have a 92 honda accord i change the started and battery and the alternator and my car wont start only if i jump start but when i turn it off it wont turn on again could it be the spark plugs?

Darby Quinn: I have a misfire on #4 only between 1800-2000 rpms, at these rpms the cel will flash, but only happens at this rpms. Outside of this rpm range whether it it higher or lower, the light will not flash...  It was the same issue with the old engine. I tried finding this issue for almost a year, three different dealers couldn't figure it out so I figured swaping out the engine would solve the issue. I literally replaced everything with brand new parts including ecm.  Exact issue with new engine. Plugs and wires are brand new as well as distributor, cap, injection system. Everything! Could the only things I swapped from old engine to new one was plugs and wires. Could either of these cause that issue? I put bosh platinum into my 4.3 l engine. It's an 01 Sonoma.

Lance Taylor: Thanks for posting, awesome video!!

Jay Santiago: Just kidding,, he knows he's stuff....thank you....

Rene Vela so: Check out this video on YouTube:

Ashu Kelaskar: how to check the engine water in porsche cayenn 2008 

panchovillaxx7: can a burnt valve cause a misfire and no comprerssion? thank you in advance

Aspie Otaku: Spark plugs need changing!

The Car Doctor: Thanks for sharing! 

Lazaro Silva: K significa codigo 1399


W Simsyv: Thanks for the information/video.

Jeff Whisenand: Great explanation. I really like the Oscilloscope you are using in this video.
My hat of off to you. GOOD JOB.

circusboy90210: what is the scan tool used here sir??

chris42000000: I got a 99 honda prelude which I have a h22a1 which I put in place of original h22a JDM. I put in new distributor, new cat. New o2 sensors, new plugs, and have flashing CEL and codes for random misfire and random misfire on every single cylinder. Yet I don't feel any misfire during driving? Runs smooth with lots of power and compression. 
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Check Engine Light Flashing? Misfire Diagnosis by Autolite Spark Plugs