Uh Oh…My Check Engine Light Is On

March 30th, 2017

So you come out to start your car one morning and the Check Engine light on the dashboard comes on…and doesn’t go back off again. You can’t really notice any difference in the way the car runs and drives, but it’s on anyway.

What does it mean?Check Engine Light

Since the late 80s, most engine functions have been controlled by a central drivetrain computer. This includes emissions controls, fuel metering and delivery, ignition timing, shift points and many other elements of drivability and performance. The drivetrain computer relies on information from a chain of sensors that monitor exhaust composition, camshaft position, throttle position and many other factors.

The voltage readings from any of these sensors are supposed to fall within a certain range. When ...[more]

  Posted in: Auto Repair 101

What's Leaking From My Car?

July 14th, 2016
You go out to your car, start it up, pull out of your parking space and see a puddle of...something...where you were parked a moment ago. This is never a good feeling. What could it be? 
 
Fortunately, some automotive fluids are dyed different colors to make this a little easier to narrow down. 
 
Does it appear to be water? Were you recently running your A/C? Chances are that's just condensation from the A/C system, which drips out through a rubber tube and is perfectly normal. No worries there. 
 
For years, antifreeze was dyed a bright green to make it easy to identify. Today, other antifreeze formulations can be colored pink or orange, but it's still not hard to figure out -- antifreeze has a swe ...[more]
  Posted in: Auto Repair 101