Stratford Auto Repair

A popping sound from the tailpipe can be startling, especially if it happens when you let off the gas or start the car in the morning. Sometimes it is a harmless burble that comes and goes. Other times, it is a sign that the engine is not burning fuel cleanly, and the exhaust is dealing with the leftovers. Either way, the sound usually has a cause you can track down with a little pattern-spotting. What The Popping Sound Usually Is Most tailpipe popping is extra fuel igniting in the exhaust instead of inside the cylinders. That can happen when the air-fuel mixture is too rich, when a cylinder misfires, or when outside air sneaks into the exhaust and changes how things burn. People often call it a backfire, but on most modern cars it is more of an afterfire happening downstream. The difference matters because it helps narrow the list of likely problems. A true intake backfire is less common on newer vehicles. Tailpipe popping is much more often about fuel control, ig ... read more

A highway vibration can make a perfectly normal commute feel stressful. The car may drive fine at 35 mph, then you hit 60, and suddenly the steering wheel buzzes, or the seat feels like it’s humming. It’s distracting, and it can make you wonder if something is about to fail. The good news is that most highway vibrations come from a short list of causes. If you pay attention to where you feel it and when it happens, you can usually narrow it down quickly and get it fixed without chasing random parts. Why Highway-Speed Vibrations Have A Pattern Vibrations at higher speeds often show up because rotating parts amplify small problems. A minor tire imbalance or a slightly bent wheel may be hard to notice around town. At freeway speeds, that same issue can create a clear shake because the wheel is spinning faster, and any imbalance repeats more often. The pattern matters. If it starts at a specific speed range and fades above or below that range, tires and whe ... read more