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Archive Tag: diagnostic challenges

SERVICING DIESELS: Identifying Normal Characteristics

SERVICING DIESELS: Identifying Normal Characteristics

September 20, 2022

A major part of the diagnostic process is identifying an issue from a normal characteristic. Following are some examples of customer complaints that could be mistaken as a problem when they may be a normal occurrence for the application. DIESEL ENGINES AND NOISE-RELATED SYMPTOMS Customer complaints of ticking, clicking, or cycling noises on 2017–2022 GM […]

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A Difficult Diagnosis: When Multiple Conditions Create Similar Symptoms

A Difficult Diagnosis: When Multiple Conditions Create Similar Symptoms

July 21, 2022

Customer complaints of rough idle, misfires, crank but no start or long crank time symptoms can be a challenge with today’s technology. Random or multiple misfire codes may be stored in memory. Symptoms that seem like an ignition related issue may actually be fuel related, carbon induced, or in some cases a normal characteristic. Fuel […]

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ELECTRICAL CONNECTIONS OR LOW VOLTAGE: Both Can Create Intermittent Electrical Challenges

ELECTRICAL CONNECTIONS OR LOW VOLTAGE: Both Can Create Intermittent Electrical Challenges

June 27, 2022

Low voltage conditions or the integrity of an electrical connection can pose some challenging events for the technician attempting to make an accurate diagnosis. In the world of automotive diagnostics, electrical problems have proven to be the most challenging, especially intermittent problems. Intermittent performance problems can be affected by connection-relate conditions and the presence of […]

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Vehicle Modifications: They Can Create Diagnostic Challenges

Vehicle Modifications: They Can Create Diagnostic Challenges

May 23, 2019

Vehicle modifications can create some interesting challenges for a technician. The first step in the diagnostic process is a discussion with the vehicle owner, and if possible, have them accompany you on a road test. Always perform the basic diagnostic steps first. Determine if any modifications have been made to the vehicle. With today’s technology […]

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A Diagnostic Challenge: The Symptoms May Be a Normal Characteristic

A Diagnostic Challenge: The Symptoms May Be a Normal Characteristic

April 25, 2018

Often we are faced with customer complaints that are seemingly impossible to resolve. We methodically make our best diagnostic efforts and implement the necessary repairs to alleviate the customer’s complaint. Sometimes, our best efforts fail to provide a solution and when this happens, it looks bad on the technician and the parts supplier.

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