Good Question
Timing chains are designed to last the life of the engine and are normally replaced when the engine is rebuilt.
The chain will last the life if the engine and does not require changing.
It varies depending on engine type. A general rule would be 40k miles for petrol, and 80k for diesel.
In a petrol engine, "pinking" refers to abnormal combustion in the cylinders, often caused by premature ignition of the air-fuel mixture. This can lead to a knocking or pinging sound, potentially causing damage to the engine if not addressed. Adjusting the ignition timing and using higher octane fuel can help prevent pinking.
Each engine is rated better for different things. A petrol engine generally has a higher horsepower than a diesel engine, so acceleration and speed is often better on a petrol engine. Diesel engines tend to rate better with torque, so they are better at pulling heavy loads, which is why diesel engines are used in trucks and locomotives.
Timing chains will normally last the life of the engine. You replace it when the engine is overhauled or if it becomes noisy.
A timing chain will normally last the life of the engine and is replaced during a complete engine rebuild.
The 3.0 liter " Vulcan " V6 engine in a 2003 Ford Ranger has a timing CHAIN
you will replace the timing chain when mornig cold start becomes noisy Normally it will last the life of the engine, and is replaced when the engine is overhauled.
Every 4 years or 40,000 miles
In the 1998 Toyota Avensis 1.8 petrol, the crankshaft position sensor is typically located on the engine block near the crankshaft pulley. It may be positioned at the front of the engine, often mounted to the timing cover or the engine block itself. To access it, you may need to remove any obstructing components, such as the engine cover or air intake parts. Always refer to a service manual for precise location and installation instructions.
Unless a timing chain is making a noise or has jumped a tooth, they need not be replaced. Timing belts need changing according to the specs spelled out in the owner's manual.