The engine fault code flashes at idle and stays on when starting. The fault indicates a misfire in cylinder two. After replacing the ignition coil and spark plugs, and cleaning the injectors, the fault code disappeared but returned after two days. Do you know what might be causing this?

I've got a 2012 Changhe Liana, and it's been having issues with shaking at idle, while driving, and even more when the AC is on. I've already replaced the spark plugs and ignition coils, and cleaned the fuel injectors and throttle body, but the problem persists. The check engine light comes on frequently. Does anyone know what might be causing this issue?

The fault code shows two P0420s, one yellow and one red, both indicating the first bank. Is it the catalytic converter that's faulty or the oxygen sensor?

After replacing the battery in the MDX vehicle, a fault code appeared, and it cannot start.

After the power reset of the Coaster, the fault code light is on and it can't accelerate. What's going on? Can any expert advise, please?

Is there an issue with the electrical system in the 2017 MG GS automatic model, as it shows faults during summer after two years of use?

Why does the transmission often show a fault code and then disappear on its own shortly after?

The engine fault code flashes at idle and stays on when starting. The fault indicates a misfire in cylinder two. After replacing the ignition coil and spark plugs, and cleaning the injectors, the fault code disappeared but returned after two days. Do you know what might be causing this?

If your 2010 Suzuki Swift 1.5 automatic is still shaking after replacing the spark plugs, ignition coils, PCV valve, and EGR valve, there could be other issues at play. Some potential causes could be: - Engine mounts: Worn or damaged engine mounts can cause vibrations. - Fuel injectors: Clogged or malfunctioning fuel injectors can lead to engine misfires. - Throttle body: A dirty or faulty throttle body can affect engine performance. - Air intake system: Check for any leaks or blockages in the air intake system. - Transmission issues: Problems with the transmission can also cause vibrations. You may want to consult a professional mechanic to diagnose the issue more accurately.

The engine malfunction light on my 2010 City recently started flashing. Diagnostic code 14 indicates irregular misfires. I've replaced the spark plugs, ignition coils, and cleaned the fuel injectors, but the issue still occurs intermittently. Every time the light flashes, I restart the engine and the issue disappears for a while before reappearing. Any knowledgeable experts or fellow car enthusiasts have any advice on how to handle this issue?

When braking, does this taillight light up? After the dashboard is powered on, all the fault codes light up, but they all disappear once the engine starts. Is this situation normal?