I started noticing the problem about 2 tanks after the new exhaust was installed, first i thought it was a coincidence or something…
-I check my tire pressure on a regular base, it stays within specification
i looked at my air filter, nothing special about it
-My brakes make no noise, also i checked if they were (too) hot after a drive, nothing special here too.
– oil is changed every year
– fuel filter is about 1.5 years old
I don’t really know what my car is equipped with emission wise, it has 3 box like things in the exhaust system.
I do have a sensor in the exhaust manifold, also in the intake manifold.
No check engine light has come up…