Exhaust

  • PCV Valve: What Is It?
    Most Humble drivers know something about preventive maintenance on a vehicle. We know we should routinely replace the oil and wiper blades and other fluids. But have you heard of a PCV valve ? This li...
    Published on: Apr 04, 2016
  • Positive Crankcase Ventilation – PCV Valve Service at CMC Auto Care
    Hello Humble! Did you know that the first federally-mandated emissions control device was introduced in the 1960's? The Positive Crankcase Ventilation valve, or PCV valve, has been installed in TX veh...
    Published on: Jul 09, 2017
  • What Is an EGR Valve? (EGR Valve Service)
    If you've ever felt your vehicle hesitate, go, then hesitate again, you might think there's something wrong with the transmission.  After all, it's not moving smoothly  down the road.  ...
    Published on: Nov 29, 2020
  • The Sign of the Shield (Heat Shield Repair and Replacement)
    Even in the months where temperatures are cooler, heat is still an enemy of your vehicle.  When your engine runs, it creates heat, so there are numerous heat shields that protect other parts from...
    Published on: Oct 17, 2021
  • Sounds Like a Hot Rod (Noisy Exhaust System)
    Driving along, your exhaust system's rumbling so loud that people turn and stare at you pass by.  You're wondering when the police are going to pull you over for illegal noise. Your mind immedia...
    Published on: Jan 09, 2022
  • Sounds Exhausting! (Exhaust Service)
    Most of us know a bad muffler when we hear it.  That loud, rumbling sound is unmistakable. Did you also know you can get a ticket for driving around with a loud exhaust system? If your exhaust s...
    Published on: Sep 24, 2023
  • Catalytic Converter Replacement
    Many of us have become aware of how important it is to keep our planet’s air clean, and your vehicle has a key component that helps do just that: the catalytic converter.  It’s in the...
    Published on: Feb 11, 2024
  • Making Sense of the O2 Sensor (Oxygen Sensor Replacement)
    As you know, today’s vehicles rely on a lot of computers in them to keep them running clean and efficiently.  Those computers depend on information delivered by several sensors throughout t...
    Published on: Jul 21, 2024
  • Why did my vehicle fail its emissions test?
    We all want to breathe clean air and keep our planet green.  One of the ways to do that is by requiring all vehicles with internal combustion engines to pass an emissions test.  That’s...
    Published on: Nov 10, 2024