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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: Jun 08, 2025
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: Jun 01, 2025
For Brakes' Sake (Brake Rotor Service in TUCSON)
Think of how much abuse your brakes take. Day in and day out, they stop your vehicle when it's going fast and when it's going slow. Maybe your vehicle has been vibrating when you brake, or maybe it se...
Published on: May 25, 2025
Read a Good Tire Lately? (Tire Wear)
There's lots of good information to read in books and online. You might not know that you can also "read" your tires and learn a lot about what shape they're in and if they are in need of attent...
Published on: May 18, 2025
Not Too Hot and Not Too Cold (Temperature Gauge)
You know your body temperature is supposed to be 98.6 degrees F, 37 degrees C. Your vehicle has a normal temperature, too, and if you pay attention to it, that can save you some big headaches do...
Published on: May 11, 2025
Regular Schedule or Severe Service Schedule at Garrigan's Auto Repair Shop?
Today's Garrigan's Auto Repair Shop article focuses on severe service maintenance. Many TUCSON drivers are not aware of them and yet there are also very vocal advocates in AZ who think that severe s...
Published on: May 04, 2025
Idle Talk about Engines (Causes of Rough Engine Idling)
When you slow down at stoplight, your vehicle's idle should be smooth as silk. But what happens when the engine is missing or idling roughly? That's your engine's way of telling you, "Hey, I've ...
Published on: Apr 27, 2025
The Truth about Tire Pressure (Tire Inflation)
Most light vehicles (under 10,000 pounds/4,500 kg) in North America sold from 2008 model year on have a feature that many people are confused about. It's the tire pressure monitoring system (TPM...
Published on: Apr 20, 2025
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