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I will change the oil pressure sensor and see what happens, It's not expensive.

No particular reason. Was busy and just sent it in for an oil change. Might have to switch it back to synthetic.

I've been using synthetic oil for about 7 years on my 2010 CX-9, I had the oil changed with normal oil about 4 weeks ago and now my oil light flashes when the vehicle has been driven about 3 miles or more. I checked my oil level and it is fine. Is this because of the oil change or is it a bad...

Sorry about the late update, but the problem was the front right caliper. One of the valves had a leak I replaced both front calipers. Eventually the TCS light and brake light came on.

Thanks for this info, I spoke with the mechanic he will recheck the hoses and bleed it again. I always use OEM parts. I changed the rotors to slotted and cross drilled initially when I bought the CX9 because the braking was not sharp on the OEMs.

I will relay these questions to the mechanic. I know that he bleed the brakes when he changed the master cylinder. Thanks for the suggestions.

Hi last year my brakes became hard to press when braking so I changed the brake booster and it went back to normal. Now my brakes feel spongy, I can't hold a sudden brakes. Changed the master cylinder and problem still exist, changed the brake booster again and it is still spongy. I am lost...

Here's one on ebay https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F231618667510

Rear right side brake and park light not working. Does that mean I need a new light assembly?

I have about 77k miles on my CX-9 I've owned it about 3yrs now. My HID lights seems fine, I did buy new osram D2S bulbs but I never used them seeing that the ballast is what was bad. Sent from my SM-G935F using Tapatalk

Well... I just dropped it off to have the ballast changed. They have to take off the front bumper so fingers crossed. Update just got a call it's ready so it was just the ballast [emoji123] Sent from my SM-G935F using Tapatalk

Hi sorry for the late reply was away, now tackling this. It's not the D2S bulb so I'm going to have the ballast replaced. I have another question I noticed my park lights were blown so I am also changing those, when I inspected I noticed there are side marker bulbs but I have never seen them...

Is replacing the HID bulb as easy as replacing a standard bulb? I haven't looked at it as yet. Sent from my SM-G935F using Tapatalk

Hi, about a month now the passenger side HID headlight on my 2010 CX-9 GT would flicker on start up. Today it's not lighting at all. Any suggestions? I'm thinking of getting the oem ballast replaced.

Ok, so the mechanic told me its the fan control module CY031515YA that needs changing #12 in the diagram left side. its around $300 (boom02)

Checked the condenser and everything looks fine. With the engine on I noticed the fan is still not spinning. So what ever activates the fan is where the issue might be.

If it were leaking refrigerant wouldn't it eventually stop cooling altogether whether outside was hot or cool?

I have a 2010 cx-9 A/C has always blown cold no problems but recently I've noticed the A/C is not cooling during the hot parts of the day. I was hearing a high pitch sound when the A/C kicked in so I had the left side fan motor replaced but the problem still exist. Any ideas?