Apprentice: Faulty Injectors can also play a part. How do I know if I have faulty injectors?
Allan: You’d be wanting to look out for things link black smoke, hard starting, or diesel injection knock. The smart way is to work on a mileage basis.
If you keep fuel clean, you’d probably have to think about changing about changing injectors at 100-150,000 km. You’d always go to a specialist to fix or change injectors, unless you’re well and truly clued up on diesels, you could to some real damage.
Should I be using fourth or fifth as my main gear when driving long runs?
Fifth gear uses probably four or five horsepower just to run the gear. If you were towing a trailer, ran into a headwind or were on a constant uphill, you’d be far better off, fuel economy wise, to use less throttle in a lower gear like fourth. Fifth gear isn’t as robust as fourth either and will wear out quicker. Fourth gear, in a gearbox, is generally straight through and not using any gears at all, where fifth is using just about everything.
Maintaining and servicing your 4WD can be a costly process. If you go off-road a lot, you’re probably more than aware of some of the issues that can arise – poor quality or badly fitted parts can break and cause more damage, heavy towing or rough conditions can accelerate wear, and the expense involved in making sure your rig is running smoothly can skyrocket. But there are a few bits and pieces that can be carried out at home to make sure your problems (and costs) are kept to a minimum......Read More