Hey Again Everyone,

Pleased to report that since getting my ignition coils and spark plugs swapped, My car is no longer misfiring! However,there is a one or two concerns/ questions I have with the car. Sorry for all the questions of what might seem basic things, I had a friend die in a very severe car accident 10 months ago and it gives me stress about car safety, efficiency, and reliablity Also, I have had the car for around a month, when I bought it quickly discovered the misfire issue. So for all I know this could be 100% normal.

1) When breaking, and the car comes to a complete stop, there is a slight single "click" That can be heard coming from the vehicle.

2) Idle RPM with no Lights and or AC on seems a little low. Mechanic I took it to said that the car reads about 650 RPM without anything on and 750 with AC on. Is this normal?

 

Yes that idle speed is normal. Not sure what the clicking could be.

 

Clicking is from brake hardware (caliper sliding pins and pad support springs)

 

@doctor J so would that be something to get looked at or is it fine? I appreciate your help

 

For a minimum, I would take out two 12 mm caliper bolts and do visual inspection