Most everyone who is looking to buy a new car or maintaining a used one is concerned with fuel economy. Fuel economy, when measured in gallons, is a function of how far one gallon of fuel will get you down the road. Typically stated in terms of city miles, highway miles, and combined miles, the […]
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When low-efficiency catalyst codes PO420 and PO430 appear, the last place that most technicians would consider would be a defective air filter seal or damaged/distorted airbox, allowing air filter by-pass. Often, the mentioned codes result in oxygen sensors and the catalytic converter getting replaced, which may be a short-term expensive fix, especially when the condition […]
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