This just popped up today. Any ideas on what to check first?
MFTremor Active Member First Name Matt Joined Apr 20, 2025 Threads 12 Messages 32 Reaction score 55 Location IL Vehicle(s) 2021 Ranger Tremor Feb 28, 2026 Thread starter #1 This just popped up today. Any ideas on what to check first? Sponsored
SigOris Well-Known Member First Name John Joined May 18, 2022 Threads 47 Messages 1,242 Reaction score 4,088 Location Greenwood Maine Vehicle(s) MY23 F150 CC Lariat PB & MY25 Mustang GT Convertible 60th #0807 Occupation Retired DoD EE Feb 28, 2026 #2 Your dealership should be able to remotely access your truck and see what code is being activated I know on my 23 F150 they can and YES, Captain Obvious, I know this is a Ranger forum and thanks for pointing that out.
Your dealership should be able to remotely access your truck and see what code is being activated I know on my 23 F150 they can and YES, Captain Obvious, I know this is a Ranger forum and thanks for pointing that out.
OP OP MFTremor Active Member First Name Matt Joined Apr 20, 2025 Threads 12 Messages 32 Reaction score 55 Location IL Vehicle(s) 2021 Ranger Tremor Feb 28, 2026 Thread starter #3 I just swapped out my engine air filter and the CEL is off. The old filter didn't look that bad, but bad enough I guess.
I just swapped out my engine air filter and the CEL is off. The old filter didn't look that bad, but bad enough I guess.
OP OP MFTremor Active Member First Name Matt Joined Apr 20, 2025 Threads 12 Messages 32 Reaction score 55 Location IL Vehicle(s) 2021 Ranger Tremor Feb 28, 2026 Thread starter #4 MFTremor said: I just swapped out my engine air filter and the CEL is off. The old filter didn't look that bad, but bad enough I guess. Click to expand... These spaceship vehicles with their whiz bang electronics sure are touchy!
MFTremor said: I just swapped out my engine air filter and the CEL is off. The old filter didn't look that bad, but bad enough I guess. Click to expand... These spaceship vehicles with their whiz bang electronics sure are touchy!
RangerBill Well-Known Member First Name Bob Joined Jun 8, 2022 Threads 3 Messages 1,601 Reaction score 2,122 Location PA Vehicle(s) 2019 Ford Ranger Lariat Super Crew FX4 Occupation retired Feb 28, 2026 #5 MFTremor said: I just swapped out my engine air filter and the CEL is off. The old filter didn't look that bad, but bad enough I guess. Click to expand... You should get a code reader such as Forscan so you can troubleshoot without guessing.
MFTremor said: I just swapped out my engine air filter and the CEL is off. The old filter didn't look that bad, but bad enough I guess. Click to expand... You should get a code reader such as Forscan so you can troubleshoot without guessing.
Rp930 Well-Known Member First Name Rick Joined Nov 19, 2018 Threads 20 Messages 1,794 Reaction score 3,514 Location Denver Vehicle(s) ‘19 Ford Ranger Lariat, ‘23 Macan,’21 Shelby GT500 Occupation Retired Feb 28, 2026 #6 Unless it was really bad I think the light will be back.
OP OP MFTremor Active Member First Name Matt Joined Apr 20, 2025 Threads 12 Messages 32 Reaction score 55 Location IL Vehicle(s) 2021 Ranger Tremor Feb 28, 2026 Thread starter #7 I checked it more closely, it actually was pretty nasty. Sponsored