Tech Tip: Top 10 Domestic Diagnostic Codes and Fixes
A Check Engine Light that’s illuminated is always a sign that something is wrong. But what? You usually can’t tell until you plug in a code reader or scan tool and read out the code(s) that have turned on the light. At least then you have a starting point for further diagnosis. Some people think a code is all you need to fix a fault and turn off the Check Engine Light. A diagnostic trouble code certainly helps, but it only tells you that some kind of fault has occurred, and maybe the circuit or component associated with the fault.
Who’s at Fault?…Top 10 Domestic Diagnostic Codes & Fixes
A Check Engine Light that’s illuminated is always a sign that something is wrong. But what? You usually can’t tell until you plug in a code reader or scan tool and read out the code(s) that have turned on the light. At least then you have a starting point for further diagnosis. Some people think
Scan Tools: Scan Tools Offer a Window Into a Vehicle’s Inner Workings
Scan Tools Offer a Window Into a Vehicle’s Inner Workings Larry Carley, Technical Editor [email protected] Technicians who attempt to make driveability or emissions repairs today without a scan tool are troubleshooting in the dark. A scan tool is absolutely essential because it provides a window into the inner workings of the engine management and onboard
Hybrids: Service & Diagnostics
What do you do when a customer with a Toyota Prius hybrid says his Check Engine light is on and wants you to diagnose his problem? Can you do it? Or, would you send your customer back to the Toyota dealer? To help alleviate anxiety over the complexity and reliability of its hybrid systems, Toyota
40 years of the Mazda Rotary Engine
On May 30, 1967, Mazda launched the world’s first twin-rotor rotary-engined car, the Mazda Cosmo Sport. The company now celebrates that engine’s 40th anniversary. In these past 40 years Mazda has produced nearly 2 million vehicles powered by the rotary engine. It was not until 1970, however, that Mazda sold rotary-engine-equipped cars in the United
Flashing Signals / Reprogramming PCMs
You don’t have to be Microsoft A+ certified to flash reprogram automotive PCMs, but the process requires a certain amount of know-how as well as special tools and access to the latest OEM software upgrades (which are not free!). What’s more, it’s not a risk-free endeavor. Certain precautions must be undertaken before you begin, and
Computers: Why You Can’t Do Business Today Without Them
It’s hard to imagine any automotive repair shop doing business today without the benefit of multiple computers. Yet some shops continue to do business and fix cars the "old fashioned way" with no computers whatsoever. I can’t help but wonder how much longer some of these shops will stay in business.
Business Tools: Computers… Why You Can’t Do Business Today Without Them
It’s hard to imagine any automotive repair shop doing business today without the benefit of multiple computers. Yet some shops continue to do business and fix cars the “old fashioned way” with no computers whatsoever. I can’t help but wonder how much longer some of these shops will stay in business. The computer has become
Buying an Import Scan Tool
Thinking about buying a new scan tool? Choosing a tool that provides the best coverage and the most diagnostic bang for your buck isn’t easy with so many different products to choose from today. There are simple code reader tools, entry-level “generic” scan tools, professional-grade tools with bi-directional communication and additional test capabilities, OEM scan
Tech Tip: Diagnosing Ignition Misfires
A flashing Check Engine light and a P0301 to P0312 diagnostic trouble code is a sure-fire indication that one or more cylinders are misfiring. Occasional misfires may pass unnoticed, but a steady misfire is hard to miss. The engine usually feels rough, lacks power and uses more gas than usual.