John's 4X4 Center
6367 Arapahoe Rd, Boulder, CO 80303 303.449.2640

Engine and Exhaust

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Deep Breathing In Boulder: Engine Air Filter

{{ image('MzAx') }} Your vehicle engine really needs clean air to operate efficiently. It takes about twelve thousand gallons of air to burn a gallon of gas in your vehicle engine. And clean air is m...
Published on: Mar 02, 2025

When it Comes to Air Filters, Change is Good (Clogged Air Filter)

Engine air filters may not seem like a big deal, but when they’re clogged up with dirt, dust, and insects, your engine could wind up choking for air and not delivering you the power and performa...
Published on: Dec 08, 2024

Clean Air For Your Engine Engine Air Filters In Boulder

We’ve all been in for an oil change and told that our engine air filter’s dirty.  Here’s what goes into the determination of when to change the filter:  First, your owner&r...
Published on: Jul 06, 2023

Replace Your Engine Air Filter At John's 4X4 Center

Your engine also needs clean air to burn the fuel – and it needs a lot.  In fact, a typical vehicle needs about 216,000 gallons of air for every tank of gas.  All that air passes thro...
Published on: Apr 18, 2022

Simple Answers from John's 4X4 Center: Engine Air Filter

{{ image('MzQ5') }} Question:What's the harm in putting off replacing my engine air filter a little longer? John's 4X4 Center Answer:That's a fair question from Boulder drivers because the harm take...
Published on: Jun 25, 2021

Engine Air Filter

Today we want to talk about your engine air filter.That's the filter that cleans the air before it's burned in your engine. Many people in Boulder wonder how often they should change their engine air ...
Published on: Mar 24, 2017

Engine Air Filter

Today we want to talk about your engine air filter.  That’s the filter that cleans the air before it’s burned in your engine.  People wonder how often they should change their en...
Published on: Nov 19, 2016

MAF Sensor and Engine Air Filter

Today's John's 4X4 Center post focuses on the importance of protecting your mass air flow sensor or MAF. Air and fuel are mixed together to be burned in your engine. The amount is controlled by how ha...
Published on: Apr 29, 2016