On Board Diagnostics for Greeley Motorists


Some Greeley vehicle owners wonder why Advanced Auto Pros and other Greeley auto repair shops charge a fee for vehicle diagnostics.

Receiving a diagnostic charge at Advanced Auto Pros for a tricky automotive problem shouldn't be a surprise. In the Greeley area, automotive diagnostics can cover quite a range. If you hear a noise in your vehicle brakes when you slow down in rush-hour traffic on a busy CO road, 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 vehicle engine, however, a Advanced Auto Pros diagnosis may be much more involved.

Much of the Greeley driver'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 CO drivers that the trouble code tells the Advanced Auto Pros technician exactly what's wrong. They wonder why there is a diagnostic charge - because the scanner quickly gave the diagnosis.

In reality, it is not that easy and straightforward. 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 vehicle computer's trouble code just tells the Advanced Auto Pros 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 malfunction.

There are many problems that could cause a troublesome sensor reading for Advanced Auto Pros customers. The service advisor makes a list of the most likely causes and begins tracking down the source of the problem. This takes time.

Greeley service centers subscribe to databases that document possible causes for all the possible trouble codes. The databases outline procedures for confirming a diagnosis and provide the documented repair. These  databases are specific to each vehicle and engine combination.

Some diagnoses are quick and easy. Others are more involved, time-consuming, and difficult. Of course Advanced Auto Pros wants to figure out what's wrong with your vehicle and get you back on the road as quickly as possible.

Advanced Auto Pros
2527 8th Avenue
Greeley, CO 80631
970-373-1153

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