Coming accross frequent noises on your car tends to be annoying, a motor vehicle is so sophisticated that it is most of the time complicated to find its source and even more hard to find the part that causes it. In case you too have previously came accross a cold engine noise on your Toyota FJ Cruiser, we can surely help you. In fact, we chose to produce this content page in order to analyze the main causes of an engine that rattles when cold on your Toyota FJ Cruiser. First we will check out engines that is rattling only when turned on, then because of unsuitable oil and finally because of glow plugs.

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The engine of my Toyota FJ Cruiser is rattling only when starting

If the engine of your Toyota FJ Cruiser makes a cold rattles, especially when starting and which fades quickly afterwards, it is possible that your engine lubrication is at fault. In fact, the oil strainer (the part that sucks up the oil and makes it rise to the top of the engine) can be broken and therefore take some time to make the oil rise when it is still very viscous. If this is your case, after a few tens of seconds the engine that slams your Toyota FJ Cruiser should return to normal operation because the lubrication of the engine will be done naturally, remember to check the condition of the engine.

Engine of my Toyota FJ Cruiser that rattles when cold because of too fluid oil

Another option which can explain an engine which cold rattling on your Toyota FJ Cruiser is that during an oil change the choice of oil was not perfect, in fact, engine oils differ on their viscosity, which we will compare with the “W” value, the higher this value is the thicker the oil will be and vice versa. If a too fluid oil has been chosen, it is possible that when cold, the lubrication it allows is not sufficient to limit engine slamming, compare the oil used and the oil recommended by the manufacturer, if your engine clicking is strong or if it persists on your Toyota FJ Cruiser, do not be reluctant to replace it with the right oil.

Engine that rattles when cold on my Toyota FJ Cruiser cause of the glow plugs

If you have a diesel engine, your engine is rattling when cold, and it has problems starting when it is cold, it may be your Toyota FJ Cruiser glow plugs that are defectives. In fact, a dead spark plug will induce the attached cylinder not to heat up and will cause a stronger rattles on an engine Toyota FJ Cruiser, so think about examining the state of your spark plugs individually using a multimeter, it may be that only one is involved like all of them. Here, we have described to you, the main factors of an engine that cold slam on a car, do not be reluctant to have a look at our page specialized to your car to find more info on all the breakdowns related to your motor vehicle.

If you want more guides on the Toyota FJ Cruiser, go to our Toyota FJ Cruiser category.