On Board Diagnostics For Pewaukee Motorists

Some motorists are confused by Nelsons Automotive of Pewaukee charges for diagnostic services for a vehicle repair. Many services at Nelsons Automotive of Pewaukee and other Wisconsin automotive repair shops include diagnostic fees.

When you take your laptop into a Brookfield computer repair shop for a problem you’ll likely have to leave a deposit for diagnostics. When we visit our Pewaukee doctor for a medical problem, we’re paying him to diagnose our ailment and of course for the tests that go along with it.

On Board Diagnostics For Pewaukee Motorists

So receiving a diagnostic charge at Nelsons Automotive of Pewaukee for a tricky automotive problem shouldn’t be a surprise. In the Brookfield area, automotive diagnostics can cover quite a range. If you hear a noise in your BMW brakes when you slow down in rush-hour traffic on a busy Wisconsin expressway, you pull off the next off-ramp and take a quick visual check. That is usually enough to know what needs to be done. If you’re having an intermittent problem with your Sedan engine, Nelsons Automotive of Pewaukee diagnosis may be much more involved.

Much of the Brookfield public’s confusion comes when the problem involves the check engine light. The check engine light comes on when the engine management computer has sensed a problem.

There’s a common misconception among Pewaukee, Sussex, and Waukesha drivers that the trouble code tells the Nelsons Automotive of Pewaukee technician exactly what’s wrong. Why then is there a diagnostic charge, the scanner just gave the diagnosis?

Reality is more involved than that. The computer monitors many sensors throughout the vehicle. When one of these sensors has a reading that’s out of parameters, the computer will record a trouble code and turn on the check engine light.

The Sedan computer’s trouble code just tells the technician what engine parameter is out of range – not what’s causing it. The technician needs to determine the underlying problem that’s causing the symptom.

There are many problems that could cause a troublesome sensor reading. Our technician makes a list of the most likely causes and begins tracking down the source of the problem.

Our service center subscribes to databases that document possible causes for a given trouble code. They outline procedures for confirming a diagnosis and provide the documented fix. These databases are specific to each vehicle and engine combination.

Some diagnoses are quick and easy. Others are more involved and difficult. Of course Nelsons Automotive of Pewaukee wants to figure out what’s wrong with your Sedan and get you back on the road as quickly as possible.

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