Marietta Auto Repair

You turn the key, the engine catches for a second, then quits. It feels random, yet there is always a reason. Cold mornings, short trips, and small faults in air, fuel, or spark can all cause a stall right after startup. The good news is that these problems leave clues. With a few focused checks, you can stop the stalls before they turn into a tow. What “Starts Then Stalls” Usually Points To Engines need the right mix of air, fuel, and spark, along with a stable idle strategy. A stall in the first five seconds often means the engine did not get enough air past the throttle plate, did not hold fuel pressure, or lost sensor input the computer depends on. Modern engines will try to catch themselves, so a stumble followed by a quit is common. Repeated failures may trigger a light, but even without a light the computer usually stores helpful data. Airflow Problems: Throttle Body, IAC, and Vacuum Leaks A dirty throttle body can stick the thro ... read more