On The Line

Radio Frequency Interference Leaves Muranos with No-Start Symptoms

September 10, 2020

Two ladies in like Nissan Muranos were chatting in a shopping center parking lot. After loading their groceries, both encountered a no-start condition. What are the chances of this occurring with two like vehicles parked next to each other? It is all about the strength of the signal and it is not uncommon to encounter […]

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Pedal Effort Panic! When There’s No Power Assist

June 30, 2020

The location was at a hydroelectric dam that was popular for fishing and water sports. Turbulent doesn’t describe the water conditions created by six generators producing electric power and seventeen flood gates open and spilling excess water from the lake side of the dam. The currents were treacherous and would concern the most experienced boater. […]

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Cabin Air Filters: Are You Recommending a Filter Replacement?

June 23, 2020

Two lungs filled to capacity with air contaminated with rotting bugs, molded leaves, dust, pollens, mold spores, mildew, and other pollutants doesn’t sound healthy. With a contaminated cabin air filter that is exactly what the customer is breathing.

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Throttle Related Symptoms When the Engine Lacks Throttle Response

March 30, 2020

When the customer complaint is poor or no acceleration, or the engine has lost power, where would you start with the diagnosis? Most would assume something major and expensive to repair. Following are some basic checks to consider before getting too deep into the diagnostics.

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From Key to Keyless Ignition

December 17, 2019

The transition from a key to an electronic code (Keyless Push Button Start) comes with a new set of challenges and safety measures that must be considered to prevent injury to the vehicle operator or the technician. Most view the fob as a key and that is not the case. It allows keyless entry to […]

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Gasoline Direct Injection – New Service Opportunities

October 7, 2019

Gasoline Direct Injection comes with a new set of challenges and service opportunities that the technician must be familiar with. Many of today’s vehicles are fitted with a relatively new fuel system technology for the automobile, referred to as Gasoline Direct Injection (GDI). While this technology has been around for 100 years, it has just […]

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Electronic Parking Brakes

September 5, 2019

Practicing Safety When Servicing the System When servicing the rear brakes on a vehicle equipped with an electronic parking brake, are you taking the required safety steps to prevent personal injury? Failure to take the precautionary safety measures may result in severe damage to the hands and fingers.

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Air Filter and Housing Inspection

August 15, 2019

Damaged Housing or Filter Seal Prompts Low Efficiency Catalyst Codes When low-efficiency catalyst codes PO420 and PO430 appear, the last place that most technicians would consider would be a defective air filter seal or damaged/distorted airbox, allowing air filter by-pass. Often, the mentioned codes result in oxygen sensors and the catalytic converter getting replaced, which […]

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Accessory and Suspension Modifications

May 29, 2019

These Can Present Diagnostic Challenges Accessory components and suspension modifications that enhance the cosmetics or performance of a vehicle are readily available for most vehicle makes and models. technicians must consider these components and modifications when performing their diagnostics. When modifications are made to steering, suspension, or tire and wheel assemblies, they can have an […]

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Engine Coolant Leaks

April 23, 2019

Corrosion…Electrolysis…or Excessive Thermocycles? When most think of engine coolant (antifreeze) it is in relation to its freeze-point protection with little consideration of its ability to provide lubrication and protection from system corrosion. Unfortunately, engine coolant normally does not receive any attention until one of the following scenarios occurs: 1) The engine overheats. 2) Freezepoint protection […]

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