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2005 Trailblazer 4.2 #6 cylinder misfire

Case study on a 4.2l C.O.P engine with a misfire. For more info. on my Ebook go to www.autocomputerstroubleshooting.com How to perform an injector balance test with a scan tool.


 


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2004 Saturn Ion 2.2 Misfire Case Study (P0300)
To learn more about Engine Performance Diagnostics, go to www.scannerdanner.com This video covers primary ignition operation and coil current ramping on a waste spark ignition system. The engine that is in this Saturn Ion is a Chevy 2.2L Ecotec and is the same engine used in the Chevy Cavalier. Some other highlights of this video: How to use misfire counters on scan data. Transistor operation and testing. Ignition coil current ramp analysis. How to check resistance of an ignition coil on an Ecotec engine. How to check an ignition module with a test light.





It's back! But is it the same problem? (1988 F-150)
Same truck as in this video http://youtu.be/6UPe5f1s2ak but is it a related problem? It does run this time, but not very well. In this video I will be covering the following: how to set ignition timing which mark to use on the crank pulley how to troubleshoot a hesitation problem KOEO and KOER self tests EGR flow Oxygen sensor testing O2 wiring integrity test (opposite code trick) Visit my website, www.scannerdanner.com for more about my eBook and lectures. Visit our school www.rosedaletech.org, to be part of my class in person. Visit http://www.youtube.com/channel/UCs2NZ_wQFDFvV0QOhoZgASA if you would like to be part of my on-line class.





2010 Subaru 2.5 Variable Valve Lift Solenoid and Switch Testing
This video is a great review of Section 2 "Switch Inputs" and Section 3 "Transistor drivers and Output Solenoids" in my eBook. On this system the intake valve lift is varied by two different cam lobes. A low lift lobe and a high lift lobe. I misspoke in the video calling this a variable valve timing or VTEC mechanism. This system does not vary cam timing, but it does vary intake valve lift.





Misfire Case Study (1999 Honda Accord)
Visit my website, www.scannerdanner.com for more about my eBook and lectures. Visit http://www.youtube.com/channel/UCs2NZ_wQFDFvV0QOhoZgASA to watch Part 2 of this video. In Part 2 take questions from my students and really take this thing from start to finish on why I chose a particular test and how exactly to perform the test. I also show and discuss the compression waveforms that I took on this engine and why I came back to it being a fuel problem. These lecture videos (Part 2) will be in 3 segments and will be about 1 hour each. So there will be a ton of great information for those willing to learn and take your diagnostics to the next level.





Chevy Trailblazer misfire DIY diagnosis - step one - p0301 p0302 p0303 p0304 p0305 p0306
Here I have a Chevy Trailblazer with a P0302 - cylinder #2 misfire. I show you the basic troubleshooting steps that you can do that only require a code reader and a few hand tools. This procedure can be done regardless of which cylinder is misfiring. First, I swap the coil of the misfiring cylinder with another cylinder. At the same time, I swap the plug of the misfiring cylinder with another cylinder that is NOT the one that I swapped coils with. I then clear the codes and then run the engine. If the misfire moves to the cylinder that I swapped coils with, then I have a bad coil. If the misfire moves to the cylinder that I swapped plugs with, then I have a bad plug. If the misfire stays on the same cylinder, the problem lies elsewhere. Further steps will be shown in future videos. Big thanks to Bill (Kristis Dad) from trailvoy for donating the bad coil!!! UPDATE June 2013 - I know you can also unplug the coils with the engine running to isolate the cylinder. If you want to show that to these guys, how bout YOU make a video. When the average youtube user, who doesn't have much experience doing stuff like that, gets hurt, YOU can live with that on your conscience. I know I couldn't. SMFH.





1999 Dodge Avenger Misfire Case Study
A good review of Sections 21 and 22 of my eBook available at www.scannerdanner.com In this video I show how to properly troubleshoot a misfire condition caused by a misadjusted crankshaft position sensor.





How to find a misfire without a scanner 2
Scanners are great tools, but sometimes they aren't any help. That's when understanding the system, and how to test it is all you have. Here are some ways to find the problem





TrailBlazer Throttle body Maintenance 4.2L
Cleaning of throttle body and plug inspection





1996 Jeep No Start Case Study Part I
An example of what we do at Rosedale Technical Institute in Pittsburgh, PA. This is an all live work school, no make-believe car problems here! My students and I used this oppurtunity to review certain concepts and testing proceedures written in an Engine Performance/Troubleshooting book I wrote for my class.





2003 Chevrolet trailblazer rocker arm destruction
took off a cam cover and found some nasty broken parts. now that is why it was misfiring!





Solving Engine Performance Issues (Part 1) - EricTheCarGuy
Visit me at: http://www.ericthecarguy.com/ See Part 2 http://www.youtube.com/watch?v=sAKwCzUE_9M Vacuum leaks http://www.youtube.com/watch?v=9CPqbaSgcok+ Voltage leaks http://www.youtube.com/watch?v=x-U9WqJfaJs Power Balance http://www.youtube.com/watch?v=bAOmUjAjNjE Compression testing http://www.youtube.com/watch?v=X_tbksFYhl4 Leak down testing http://www.youtube.com/watch?v=WgrfT0LFMhc&feature=relmfu I get a lot of questions via email and over at the forum about the steps to take when you encounter a performance issue like my Subaru's hesitation issue and I often feel like I sound like a broken record when I cover the basic steps that I cover when encountering a situation like that. My main point here is that if you have a performance problem and you're going to throw parts at the problem start with the basics before you to off and start replacing sensors that you suspect are a problem, if you don't have evidence of a faulty sensor then don't start there start with the simple tune up items and check for vacuum leaks and air leaks as I've shown here and I believe you'll have better results and save yourself some money in the process. In short the rule of KISS applies, Keep It Simple Stupid. If you have questions about your own engine performance issues head over to my website and either ask the search function or ask the forum, we'd be happy to help. http://www.ericthecarguy.com/forum/default.aspx --- Click below and Stay Dirty Visit me at EricTheCarGuy.com http://ericthecarguy.com/ Visit EricTheCarGuy Forum http://www.ericthecarguy.com/forum/default.aspx Visit my Facebook Page: http://www.facebook.com/EricTheCarGuy --- Stay dirty ETCG Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information.  EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video.  Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result.  Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.





P0300 random misfire engine code
Troubleshooting P0300 engine code from a 2003 Chevrolet 3800 .





Trailblazer check engine light on - reading codes and other fun facts
This is the most frequent question that folks axe me about. So, I went out and bought two budget friendly code readers to show you the first things to do when the check engine light comes on. The first code reader is the ELM327 (made by BAFX). You use this with an android phone, along with the torque app. This unit communicates with the phone wirelessly over bluetooth. The second reader is the actron cp9125. No phone required. I bought both of those tools from amazon. They had the best price. The last tool is my GM scan tool. I showed this only to prove that the cheaper tools will pull the same codes that the GM tool does.





How to diagnose a misfire that isn't ignition related
Get a compression tester on Amazon HERE→http://www.amazon.com/gp/product/B004K2FSXI/ref=as_li_tf_tl?ie=UTF8& camp=211189&creative=373489&creativeASIN=B004K2FSXI&link_code=as3&tag=httpw wwyou00f-20 How to diagnose a misfire that isn't ignition related Hey- wanna see a cool visual of the valves and pistons in motion to help understand what I'm doing here? Check out the link below at time 1:01 (la informacion es en espanol, pero es muey bien!) http://www.youtube.com/watch?v=LVnG10Rpi4M&feature=youtube_gdata_player





Dakota B Joint & T Rod 2





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