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BIG PICTURE DIAGNOSTICS
| 题名： | BIG PICTURE DIAGNOSTICS |
| 正文语种： | eng |
| 作者： | ROY DENNIS RIPPLE |
| 作者单位： | Ford dealership |
| 摘要： | An automobile is a compilation of many systems that work together to make a single get-up-and-go and stop-when-you-need-to vehicle. It's almost biological. In the same way the nervous system depends on the cardiovascular system, and the cardiovascular system is useless without the respiratory system, the drivetrain depends on the engine, and the engine is useless without the fuel delivery system. When a system includes several different components, each component relies on the others. Every vehicle is different, even when they're the same make and model year, and they need to be treated accordingly. A 2010 F150 with 150,000 miles used on construction sites is a different truck than a 2010 F150 with 60,000 miles that carries home groceries every Sunday."Big Picture Diagnosis" is the practice of scrutinizing the vehicle, taking in what it is. It's not just make, model, and year, but condition, use, and abuse. Finding a defective component or seeing a newly installed part should raise the question, "Why did this go bad?" A new bumper bracket could mean a crash. One new tire or wheel might mean a curb-hit or an encounter with a pothole. High-flow exhaust or an aftermarket air intake system is a good sign that a performance tune may have been installed in the engine control module. Every vehicle has a history to reveal, from the rubber remnants of past burnouts on the quarter panel to uneven front tire wear on a pickup suggesting payload overload. Factors like rust, usage, and maintenance schedule determine the plan of attack when diagnosing and servicing a vehicle. Familiarizing yourself with the entire vehicle aids with the diagnosis and helps find the factors that could prevent your repair from coming back. |
| 出版年： | 2022 |
| 期刊名称： | Motor age |
| 卷： | 141 |
| 期： | 7 |
| 页码： | 18,20,22-24 |
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