Case Study: 2003 Trailblazer with Rough Idle P0017 Tech Tip
October 26, 2010
A 2003 Chevy Trailblazer with a rough idle condition comes in for repair with variable cam timing engine with P0106 and P0017 codes. Bill Fulton goes into detail talking about these codes, the conditions that can causes them, and how to complete your diagnostics by using your scope to accurately interpret the related data you get from the scan tool as well as your scope.
In this clip from the Fuel Pump Manufacturers Council, shot here in the AVI garage and presented by instructor Dave Scaler, we are presented some great ‘must know’ tips regarding fuel pump diagnostics. The clip contains info on voltage drop testing and on car hands on demonstrations.
In this excerpt, Bill Fulton current ramps the fuel pump on a high-mileage 2004 Dodge Status with P0300 and P0171 codes. In doing so, he determines whether there is a weak fuel supply or a bad pump. Watch Now.
In this excerpt, Mike Cleary gives you several quick fixes on various Powerstroke engine problems. Tech tips include 1994 ½ EEC tests, injector spill spouts, camshaft position sensor codes, and dead accelerator pedals. He also covers dual mass flywheels, air cleaner updates, injector replacement procedures, and loose IPR jam nuts, as well as injector performance analyzers, oil consumption, no start relay ratcheting, and much, much more!
In this tip clip from the Ford Powerstroke 6.0 class Mike Cleary shares some diagnostic procedures that are a shoe-in for profit potential. Fuel in Oil, Inferred EBP, Fuel Filter Replacement and Stiction are just a few of the items diagnosed here. Mike answers these questions with some tips and procedures on how to use your scan tool to aid in your diagnosis.
In this clip instructor Jim Wilson talks about TPMS sensor service tips that will save you time and money by outlining the appropriate tools and procedure you should be using in order to avoid sensor failure.
Through this case study Bob Augustine brings home a true understanding of why the Diagnostic Process demonstrated in this clip is so important for both time savings and shop profitability.
John Thornton discusses a case study about a high milage 1997 Chrysler Concorde with rough idle issues. The vehicle has no codes and the coil, plugs and wires have all been recently replaced. John goes into great detail on how he went about diagnosing the problem by using scan data and waveform analysis.
Dave Hobbs presents an interesting case study of a Chevy Malibu exhibiting battery discharge issues, no start problems and with a B1516 BCM code. Dave discusses the associated TSB and smart charging system components related to this issue.
Using scope patterns, Jim Wilson discusses and demonstrates a procedure for diagnosing EGR related misfire issues by examining scope patterns of the different cylinders.
In this training tip clip from the Complete Hybrid Training Program, Craig Van Batenburg talks about the battery backup for the brake by wire brake system and no start issues on the Toyota Prius. He touches on no start issues and concerns such as wrong or too much oils P309 High Voltage leak codes, corridor resolver connections and low battery pack issues.
Peter Orlando with the third of his ABS Tech Tip clips, this time with a hydraulic tip that you can use on any brake system. Peter gives us the breakdown on some tips for monitoring and controlling contaminate issues during a brake system service that can cause problems with the ABS system.
In this clip instructor Peter Orlando gives us some hands on instruction on resistance testing ABS solenoid assemblies. Peter gives several in depth tips tricks and gotchas related to resistance testing the isolation valves and working with the component schematics to perform the pin out testing
In this tech tip clip, Instructor Peter Orlando gives you a helpful tip concerning your new ABS wheel speed sensor. He explains to you how to use your voltmeter and a screwdriver to test if the new part is bad or good BEFORE you even put it in the car.
In this tip clip case study instructor Dave Hobbs presents the case study of a 2004 Malibu with a no start condition. Diagnostics later revealed a short in the radio causing the rest of the components on that bus to be unable to communicate. In this Tip Clip Dave gives some helpful info on diagnosing these types of interconnected problems.
From 1993 to 2008 the GM 4l60E transmission used a pressure switch manifold to tell the computer what gear was selected. In this Tip Clip instructor Wayne Colonna gives a detailed technical overview of this component with some helpful info on diagnosing associated problems.
Orange cables in hybrid vehicles means SAFETY SAFETY SAFETY. In this Tech Tip Clip instructor Dave Hobbs gives us instruction and insight on what to look for in safety equipment and multimeters for use in Hybrid applications. Remember techs, safety first when dealing with hybrid vehicles and high voltage.
Data-bussing and multiplexing can be complex and aggravating. In this clip instructor Dave Hobbs teaches us simple and easy tricks for diagnosing data bus and module issues.
In this clip Jim Wilson teaches us about graphing MAP and RPM in your scan data to test for glitches in the pattern in order to isolate mechanical, fuel or ignition problems.
Cummins are one of the easiest systems to work on, if you are not doing diesel repairs this is a great way to get yourself involved in the diesel market.
In this video ATSG instructor Pete Luban gives us the lowdown on several scenarios concerning diagnosing and repairing a Ford 500 with a noisy transmission.
Have you spent hours trying to repair a driveability or emission problem and couldn’t resolve the issue? Many of these problems can only be repaired thru flashing. John Thornton gives you the training you need so you can be prepared when you come across a problem that cannot be fixed without a software update.
The electrical system is the perfect place to begin building a foundation for an automotive education. This program takes a complex system and gives you the fundamentals in terms easily understood by students and technicians of all levels.
In this excerpt from Mark DeKoster’s new thoroughly detailed breakdown of today’s Ford Enhanced EVAP Systems, learn the difference between the current emission standards, and what your shop needs to do to comply, along with analysis of stubborn EVAP codes, how they are set, and how to diagnose.
In this program, Dave Hobbs provides extensive information on GM safety restraint systems to help you with issues in steering column repair. He tells you what to do and what to avoid when working on and handling airbags while providing plenty of tips and test procedures on these systems.
If things don’t match the book’s description of problems, where do you go? The customer, of course! This class explains why questions are the answer. Find out as Dave Hobbs goes under the hood with some off-the-wall diagnostic troubleshooting of GM’s recent powertrain innovations.
The new 6.4L Powerstroke is different from the 6.0L and 7.3L and this class will help you understand the differences. Former Ford factory trainer Mark DeKoster provides an overview of the major systems on this engine with component locations, maintenance issues and information that Ford provides to their own technicians.
Mode $06 has become a mainstay in automotive diagnostics these days, but many technicians still struggle with determining DTC sources. In this program, Jim Wilson will show you detailed steps to show you how to access the most intuitive tests through Global OBD II and Mode $06.
Tire pressure monitoring systems (TPMS) are now required on all vehicles in the US. Dave Scaler from MEA brings you this TPMS class so that you can be completely up to date on these systems. Learn the latest information on the changes that have been made, new techniques and answers to tough questions that techs have with these systems.
Jim ‘The Injector Guru’ Linder shares his BEST FUEL SYSTEM TIPS based on his actual results with proven testing procedures and service techniques. Fuel up on knowledge and learn more about fuel system diagnostics in this video clip.
This updated air conditioning clip on what’s different on the TXV systems is just what you need to keep your customers cool this summer. These tests procedures are universal for most of the vehicles you are working on today, check it out and learn more today.
