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Archive Tag: engine

Diesel Service Tips: Rain and Snow Can Trash a Turbocharged Diesel Engine

Diesel Service Tips: Rain and Snow Can Trash a Turbocharged Diesel Engine

April 13, 2021

Air filters are designed to protect the engine from contaminants such as bugs, dust, dirt and other debris. Engines do not perform well when the filters are subjected to water and snow, as these conditions promote a hydro-lock of the filter media. When the hydro-lock condition occurs, the filter can be pulled from the air […]

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Low Speed Pre-Ignition (LSPI): Can Produce a Catastrophic Engine Failure

Low Speed Pre-Ignition (LSPI): Can Produce a Catastrophic Engine Failure

January 21, 2021

New technology poses new challenges as smaller displacement turbocharged engines create some major challenges for the vehicle manufacturers and the technicians servicing the vehicles. When cruising, the turbocharged gasoline direct injected engines (TGDI) consume only a fraction of the fuel the larger displacement engines equipped with port fuel injection require. When called upon for performance, […]

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Turbocharged Engines And the Importance of Timely Service Interval

Turbocharged Engines And the Importance of Timely Service Interval

January 14, 2021

Turbocharged engines are becoming common, as the vehicle manufacturers utilize smaller displacement engines. Turbochargers and direct injection can make a small displacement engine behave like a larger displacement engine, plus achieve better fuel economy, and that is the reason for their popularity. Engines that operate at higher altitudes benefit greatly from the turbocharged arrangement.

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Throttle Related Symptoms When the Engine Lacks Throttle Response

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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Engine Coolant Leaks

Engine Coolant Leaks

March 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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Carbon and Gum Deposits: Their Effect on Engine Performance

Carbon and Gum Deposits: Their Effect on Engine Performance

November 28, 2017

On one vehicle the customer complaint started with a misfire condition which progressed to an extended crank time to start and eventually a no-start symptom. Performing the basic checks revealed…

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Gum and Carbon Deposits

Gum and Carbon Deposits

November 1, 2017

Create Engine Performance Challenges It was a busy morning with multiple vehicles arriving on roll-backs with no-start symptoms. The vehicles ran perfectly the previous day, only to encounter a no-start condition the following morning. The symptoms were that of loss of compression. Each vehicle…

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Scheduled Maintenance: Can Prevent Costly Engine Repairs

Scheduled Maintenance: Can Prevent Costly Engine Repairs

September 13, 2017

Timely vehicle maintenance makes good business sense, especially when compared to costly engine repairs or an engine replacement. The extended service intervals have created a major concern for the old school generation, and especially technicians that have serviced vehicles for thirty-plus years. Our early driving and maintenance experience encompassed less fuel…

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