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Selecting the right maintenance schedule is imperative for the health of the engine in preventing major engine repairs or in extreme cases preventing a total engine replacement. Neglecting the required service interval can result in an accumulation of sludge and deposits that can restrict the flow of lubricant to vital engine components. Consider the following: […]
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The vehicle received a full service including an oil and filter change. The system was leak checked and the engine had good oil pressure. Two days later, the customer calls reporting a loss of oil pressure symptom. Mechanic A says…a defective oil filter is the cause of the loss of oil pressure. Mechanic B says…a stuck […]
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Nothing is more frustrating for the vehicle owner than a puddle of oil on their carport floor or the stench of oil on a hot engine or exhaust system following a lube service. It is equally frustrating for the lube shop as they must correct the problem, losing billable labor time. We have seen customers […]
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When diagnosing engine performance complaints such as misfire symptoms, be advised that several systems and components can contribute to those symptoms. When considering single or multiple misfire codes, some checks may seem farfetched but trust me if not all are considered the symptoms can elude the most experienced technician, resulting in a misdiagnosis. When this […]
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Pinpointing the reason for a crank but no-start, extended cranking, rough idle or misfire symptoms can be a challenge that can consume a lot of diagnostic time to resolve the complaint. Often the Malfunction Indicator Light (MIL) will be illuminated and a PO300 random misfire code may be stored in memory. If you are lucky, […]
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The 2013 Ford F150 equipped with a 3.5L EcoBoost engine was running perfectly. With the exception of a drop in fuel economy, there was no indication of a problem until the Check Engine light in the dash illuminated. A system scan revealed P2098 code stored in memory, which represents Post Catalyst Fuel Trim System Too […]
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When filters bulge, gaskets blow, or filters dislodge from their mounted position on the engine, the oil filter is almost always blamed. Some install the second or third filter still convinced the filter is the cause. The filter is the victim, as over pressurization is the reason for the event and these issues have plagued […]
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Vehicles today incorporate a maze of electronic components that must be considered when troubleshooting a performance related symptom. A vast arsenal of test equipment is necessary to communicate with the electronic systems and components. Systems are so connected that it is difficult for the technician to distinguish between a mechanical, electrical, fuel or emission related […]
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Four-Wheel and All-Wheel Drive vehicles have flooded the market. Look around your neighborhood, parking lots, daily traffic routes, etc. They come in the form of trucks and SUVs, many of which will never encounter off-road or inclement weather conditions that would require a four-wheel drive application. With these additional driveline components come some challenges for […]
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When dealing with oil consumption complaints, how much should be considered as too excessive? Is the engine consuming an excessive amount of oil or should the amount consumed be considered a normal characteristic? This is especially a concern with the extended service intervals, which may result in the vehicle being driven twice the mileage when […]
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