Throttle body relearn made simple for DIYers If your car idles rough, stalls, or hesitates after throttle body work, your ECU likely needs a relearn. This resets its throttle position memory so ...

A dirty throttle body can cause rough idling, poor fuel economy, and sluggish acceleration — but cleaning it is a quick, affordable DIY fix. With basic tools, the right cleaner, and safety gear, you ...