The intercooler in your truck maintains the engine’s optimal temperature and prevents it from overheating. Like any other part of your truck, the intercooler is susceptible to wear and tear over time. When you know which signs of intercooler failure to look out for, you can address them before they worsen and keep your truck in top shape! Check Engine Light The check engine light might illuminate if there’s a problem with the intercooler. You should never ignore this warning sign because ...