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-   -   Low speed misfiring on 2014 rlx (https://www.acuraforums.com/forum/rl-15/low-speed-misfiring-2014-rlx-7817/)

dque54 02-03-2022 06:37 PM

Low speed misfiring on 2014 rlx
 
Hi
I have a 2014 Acura RLX with about 83,000 miles. Once the car warms up, the engine starts to misfire, only when I accelerate. I just recently replaced the spark plugs, and ignition coils. Before that one of the first things I did was to use gas additives, (Juel Fuel, and DB-K44), about 6 times. There are no indicators on the dashboard. I can see the tachometer drop a little when the misfiring happens. I usually back off the gas when this happens, but often I can push through the misfire depending on how I step on the gas. It doesn't happen when I'm going up a hill, and most of the times I can push through the misfire to go faster (50 mph and higher. The is no misfiring while I'm cruising on the highway at 60 or more.

babafats 02-07-2022 12:17 PM


Originally Posted by dque54 (Post 17233)
Hi
I have a 2014 Acura RLX with about 83,000 miles. Once the car warms up, the engine starts to misfire, only when I accelerate. I just recently replaced the spark plugs, and ignition coils. Before that one of the first things I did was to use gas additives, (Juel Fuel, and DB-K44), about 6 times. There are no indicators on the dashboard. I can see the tachometer drop a little when the misfiring happens. I usually back off the gas when this happens, but often I can push through the misfire depending on how I step on the gas. It doesn't happen when I'm going up a hill, and most of the times I can push through the misfire to go faster (50 mph and higher. The is no misfiring while I'm cruising on the highway at 60 or more.

Change the IAT and the CTS intake air temp sensor and the coolant temp sensor and recheck the condition they re abt 40 each from pep boys

dque54 02-08-2022 10:42 PM

Thank you. I'll post what happens.

babafats 02-28-2022 09:53 PM

chk your vaccum hoses 2 ALL of them


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