Everything you wanted to know about DASHBOARD WARNING LIGHTS & DIAGNOSTICS
but were afraid to ask. . .
So there's something not quite right about the way your vehicle is driving,
or you've got a warning light on your dashboard that was blinking at you yesterday and now it is on
steady. What do you do? (Here's a hint: the answer is not to put a piece of electrical tape over
the warning light and ignore it.)
What makes a warning light come on?
Today's vehicles are manufactured with complex inter-related systems. On-board
computers continuously monitor and store information concerning the performance
of these systems. A warning light comes on because the computer has sensed a
signal from one of the systems or components that has gone outside of its normal
operating range. The computer then sends a signal to turn on the light to let
you know something is wrong!
Some of the potential causes for a check warning light are not
properly tightening your gas cap to engine, transmission or braking
system performance issues. While warning lights can go on and the
car still appears to be driving "fine", ignoring some lights can
lead to serious issues, such as engine damage or other component
failure. In some instances, this can be a safety hazard. That's
why it is recommended to be safe (give yourself peace of mind) and
have your car looked at by a certified professional as soon as possible.
To learn more about the different types of warning
lights and what you should do when they come on, click here.
How can Precision Tune Auto Care "diagnose" my problem?
At Precision Tune Auto Care, we have the tools, training and technology
to handle diagnostic issues, such as a Check Engine warning light,
by following these procedures to ensure a proper diagnosis:
- Perform a scan test to retrieve the stored trouble codes. Just like a doctor
cannot prescribe treatment without first going through tests, so we must test your vehicle.
- Review Technical Service Bulletins from the vehicle manufacturer relating to the symptoms
your vehicle is exhibiting.
- Perform pinpoint tests of sensors and components to validate or eliminate suspected causes.
- Interpret the findings and determine what part(s) and/or procedure(s) are required to
correct the cause of the Warning Light or driveability issue.
- Discuss the findings with you and the cost to correct the issue.
- Note: Occasionally, complex situations require additional diagnostic time to determine
the exact cause(s) of your vehicle's issue(s).
How long will it take to diagnose my problem?
In most cases, we can actually find AND fix the problem in the same day.
Do I need an appointment?
Most centers do not require an appointment, but please call your
local center for details. It is our goal to make it convenient and
offer what works best for you.
How much will it cost?
Diagnostics are usually handled at an hourly or procedural rate that is specific to each store. So please
use our store locator to find your neighorhood center to call for more details. A Check Engine Light diagnostic
will often be at a fixed rate, unless additional diagnostic procedures are needed.
Why does my parts store offer to "do my check engine light" for free?
Parts stores capabilities are limited to only reading the stored trouble codes, but they do not then perform the diagnostic procedures to determine
what is exactly required to fix your vehicle. Precision Tune Auto Care centers have certified
technicians, whose job it is to fix cars!
What are examples of driveability issues that require diagnostics?
Typical driveability issues that require a diagnosis on your vehicle are:
- Any warning lights on the dash that are illuminated (check engine, ABS, etc.)
- Emissions failures
- Engine or transmission performance
- Steering and ride control
All of the parts we install are guaranteed to meet or exceed manufacturer
standards, and if you wish, we'll return all of your old parts to
you.
This service, like all services performed at Precision Tune Auto
Care, is advised based on your manufacturer's recommendations, or
as needed as determined by our inspection and based on industry
standards.
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12 month/12,000 mile warranty on all our services is good
at any of our centers coast to coast |
