Navara 2019 model, currently has over 60,000 kilometers. When changing the spark plugs, there was oil in the cylinders. The 4S technician said the valve cover needs to be replaced due to internal leakage and should be replaced together. I want to ask everyone, is this a common issue with the Navara?

10 Mazda 3 Star Version 2.0 frequently has the warning light on, with an instant fuel consumption of 30-40 at startup. Spark plugs, intake manifold solenoid valve, rear oxygen sensor have been replaced, throttle body and mass air flow sensor have been cleaned, but the light comes on again. The first row mixture is too lean. Any suggestions?

When coming to a stop, the idle speed suddenly drops and it feels like the car is about to stall. This occasionally happens when shifting from D to P while stationary. I've replaced the spark plugs, ignition coils, injectors, high-pressure fuel pump, PCV valve, carbon canister solenoid, air flow sensor, and engine mounts. I've also cleaned the intake carbon deposits and combustion chamber carbon deposits. The problem still exists. Can anyone help me figure this out? [crying][crying][crying][crying]

Is there a solution for the Kia Sportage valve cover oil leak? Is it a common issue? I bought a 10-year-old manual second-hand car.

Hello everyone, has anyone experienced this with the 2019 model 35p automatic? Currently, I've driven 60,000 kilometers, and occasionally when I brake at a red light, the idle speed fluctuates. How did you deal with it? I've cleaned the throttle and replaced the spark plugs, but I still don't know why it's happening.

I'd like to ask Mazda 5 owners, why is the noise level so high in this car? How can it be resolved, and how do you deal with valve cover oil leakage? What are your Mazda 5's fuel consumption rates in the city and on the highway? My 2011 automatic Mazda 5 costs 0.9 RMB per kilometer in the city.

I've got a 2013 Kia Sportage Manual GL 2.0, and the steering wheel shakes when idling. I've cleaned the carbon buildup in the engine cylinders, the injectors, and the idle valve. I also replaced the spark plugs and engine mounts last year. Any experts out there have any advice?

Navara 2019 model, currently has over 60,000 kilometers. When changing the spark plugs, there was oil in the cylinders. The 4S technician said the valve cover needs to be replaced due to internal leakage and should be replaced together. I want to ask everyone, is this a common issue with the Navara?

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.

Does replacing the valve cover gasket and reapplying sealant on the 2021 Forester require lifting the engine? Both the 4S shop and outside mechanics say that the new engine bay has become smaller and that lifting the engine is necessary to replace the valve cover gasket. Is that true?