Isuzu D-Max FAQs

Check out real-world situations relating to the Isuzu D-Max here, particularly what our experts have to say about them.

• Why doesn't my Android connect via Bluetooth in my 2017 Isuzu D-Max?

  This topic has been a red-hot one for many years now. It seems a lot of car-makers can’t seem to get it right when it comes to specifying a Bluetooth system that will work for Australian customers. Toyota had all sorts of crazy issues with the Bluetooth in its vehicles of a few years ago, although recent experience suggests that is now sorted.

  I’ve not heard of the Isuzu D-Max as a problem child specifically, but it doesn’t surprise me to hear that you’re having difficulties. There’s a theory that some Bluetooth systems simply don’t play well with some makes and models of phones, and that could be what’s happening to you. A quick check would be to find a friend with an iPhone and see if that will work better in your car. That would at least rule out a blanket problem with the unit in your car.

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• Why wont the RPM of my 2015 Isuzu D-Max go higher than 2500?

  The first thought here is that you’re dealing with a dodgy throttle-position sensor or some other sensor that is giving the on-board computer a reason not to exceed 2500rpm. Or tricking the computer into thinking that the engine is spinning faster than it really is. Have you had the vehicle scanned? It’s a cheap way of reducing a lot of the guesswork in a case like this.

  Like any engine, of course, a turbo-diesel won’t rev beyond the speed that the fuel supply can support. You say you’ve changed the fuel filter, but have you checked the pump pressure and the fuel-delivery rate? A problem with the pump or fuel lines could easily produce the symptoms you have. You could even have a blocked fuel pick-up in the tank.

  The other problem with modern turbo-diesels is that they are prone to clogging their intake systems with a black gunk that is a by-product of soot and oil mist from the vehicle’s exhaust-gas recirculation and crankcase-ventilation systems respectively. This black, ooze can sometimes almost completely block the intake path for air entering the engine and will cause all sorts of dramas, including the one you’re seeing.

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• Why doesn't the radio work in my 2016 Isuzu D-Max?

  Blowing a major fuse suggests that your car has suffered a short-circuit somewhere within its kilometres of wiring. But a modern vehicle like your Isuzu will also have fuses protecting the various systems it needs to operate, so there’s a chance there’s a second fuse that protects the stereo system that has also blown when the problem occurred. Your owner’s manual should be able to identify the locations of the car’s various fuses. Don’t forget to replace them with a fuse of the correct amperage or you could cause more damage if the fuse ever needs to act as a circuit-breaker again (which is exactly the fuse’s role).

  The other possibility is that the stereo unit itself has an internal fuse. Check around the rear of the unit (usually where the wiring for the speakers exits the stereo) and you might be able to locate the fuse in question. This is often the case in aftermarket stereo systems.

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