My Nissan Micra makes a whining sound when accelerating. Is this something I should be concerned about?

A whining sound might be a symptom of an underlying problem, so it's best to investigate the source of the sound. First, it could be in your Nissan Micra's transmission mechanism. Your car might have worn out gears or low transmission fluid levels. To confirm if it's a transmission problem, accelerate your car until you can hear the noise the loudest possible then switch to neutral gear and turn off the engine. If the sound still persists, then the problem lies in the drivetrain or transmission. However, if the noise goes away, then the engine or clutch assembly might be causing the problem. You will need to do a thorough inspection of the transmission to figure out which part is causing the noise. Another possible source of the whining sound would be the worn out gears in the front or rear differential, which may result from the friction in the ring and pinion. You need to inspect the differentials for any signs of wear or damage and do the necessary repairs or replacements as soon as possible.

The fuel gauge, temperature gauge, and speedometer of my Nissan Micra stopped working. How do I fix it?

If all of the dashboard gauges in your Nissan Micra are not operating, the most likely cause would be a blown fuse which you need to replace. However, if that doesn't help, the gauges may not be getting any power. Each gauge on your car has a 12-volt ignition feed and a sender wire. The sender wire is the ground to the gauge. It's possible that this wire is bad or broken, or the electric circuit from the gauge to the sender is not complete. If the sender wire is not working, then the gauge will not register. If the sender wire is in good condition, check all connections to ensure that the colors and wire functions are mating with each other.

My Nissan Micra sometimes loses power then picks back up before losing power again. What could be the problem?

An intermittent stalling problem like what's happening to your Nissan Micra can be challenging to figure out, since it seems to happen at random without any fixed event triggering it. What's even more frustrating is that there will not be a "check engine" light coming on and you won't find any fault codes either. The best way for you to troubleshoot is to wait until your car starts acting up. One common cause of intermittent stalling includes a bad idle speed control (ISC) system. If the ISC valve is messed up with fuel varnish and dirt, it may stick, which will keep the engine from maintaining the proper idle speed when the throttle closes. It may also cause the engine to stall while idling if it doesn't get to compensate for idle loads placed on the engine by the charging system or A/C compressor. Other known problems that may cause your car's engine to stall are low fuel pressure, loss of ignition, leaks in the vacuum or exhaust gas recirculation (EGR).

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