Thermostat problems? A cold running engine is bad news for fuel economy, DPFs and carbon buildup.
⚠️ #didyouknow that a cold running #engine will– cost you more at the pump ⛽– increase your #emissions creating buildup
thermostat
⚠️ Declining MPG? Keep an eye on your engine temperature as a faulty thermostat could be the culprit
⚠️ Declining MPG? Engine running cold? Keep an eye on your engine temperatures as a faulty thermostat can be the