A economical fix for the 2010 Acura RDX by our local garage
Posted By RichC on September 24, 2023
Our 2010 Acura RDX with 155,000 miles was sputtering and burning excessive fuel for the last couple of weeks (according to the car’s driver — Brenda) and 
by the time she asked me to take a look at it, a plethora of lights were on the instrument panel. A quick start-up and I knew something wasn’t right and it was time to either dig into it or take it to the repair shop.
Its been a long while since anything beside brakes, oil, filter and air filters have been changed and after remembering the coil packs and spark plug access on my Honda Pilot, I decided to send the Acura to my local mechanic (although did first check the Internet). 😊
A sputtering engine can indicate a number of problems. If your Acura RDX has a sputter, it is most likely going to be caused by bad fuel system, ignition system, MAF sensor, or bad catalytic converter.
Your RDX’s engine is a giant pump. It pulls in air (where it is measured by the mass airflow sensor). The air is then guided into the cylinder where fuel is added and compressed. Once compressed, the mixture it is ignited by the spark plugs. It is then expelled through the exhaust, where it is then scrubbed by the catalytic converter before being sent through the exhaust pipe.
Thankfully after a rather short diagnosis it was a relatively simple solution. The PCV hose had degraded, collapsed and was being sucked in. The hose was replaced with a short piece of hose — not a new part (???) —and everything reset and the car functioned as it should. Although I might have preferred a new part, I’m liking the “saved you money” kind of repair.
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