Are you having problems with your Nissan? Let our team of motoring experts keep you up to date with all of the latest Nissan issues & faults. We have gathered all of the most frequently asked questions and problems relating to the Nissan in one spot to help you decide if it's a smart buy.
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There were a lot of problems with the 3.0-litre turbo-diesel some years ago, but we haven’t had any reports of engine problems on later models like the one you’re looking at.
The DPF requires a certain drive cycle to do the automatic burn it must do to rid itself of the accumulated carbon. Your driving cycle obviously doesn't meet the criteria so the automatic burn hasn't been done and the dealer has attempted a forced burn in an attempt to save the DPF. In one sense you're lucky that it only cost $3200 as many people find they also have to replace the catalytic converters and the cost can climb as high as $6000 or more when that happens. You might have a case against Nissan, consult the consumer affairs people in your state and get their advice.
The reason you can’t find a kit for it is that there has been so much trouble with Nissans converted to LPG that many system manufacturers have withdrawn their kits from the market, or simply haven’t bothered to develop them. The problem stems from the catalytic converter being located so close to the engine, and when the converter starts to break down as it does over time, the powder that results can be sucked back into the engine when the inlet valve opens. It’s very abrasive, so when that happens, and it can happen on petrol as well as LPG, the engine wears and begins to burn oil. The problem for anyone who converts his or her car to LPG is that Nissan refuses point blank to honour its warranty. The short answer is don’t convert Nissans to LPG. It also happens on cars not running LPG, so anyone with oil burning problems should be concerned.
The reason you can't find a kit is that there are issues with the Pathfinder V6. The catalytic converters are located very close to the engine and particles can be blown back into the engine from the converter and cause a major engine issue. There have been a number of issues with the Pathfinder and most of the kits that were developed have been removed from the market because of the problems with the cats. It's not worth the risk to convert it.
The battery is a piddly little one with barely enough capacity to keep the Tiida afloat. If the volts drop below 9.2 there's not enough grunt to sustain running and the car will crank without starting, as the dealer has told you. The answer is to buy a better battery with a decent capacity.
The problem is that your driving routine doesn't meet the requirements for the Diesel Particulate Filter to conduct an automatic burn that it must do to get rid of the carbon that has accumulated in it as part of its normal function. The auto burns happens without you knowing, there is no effect on the engine operation while it's going on, but if it doesn't happen the warning light comes on, the engine warning comes on, and eventually the car goes on to a limp home mode that virtually forces you to go to the dealer who can do a forced burn to restore the filter to normal operation. If it's not done it can result in a damaged filter, and can also result in damage to the catalytic converters and that can lead to a very large repair bill in the many thousands of dollars. There isn't much the dealer can do, other than what they have done on your car, and the suggestion to buy a new car is a sign of the frustration they are feeling. Nissan's reputation in the trade is that they are very uncooperative when it comes to warranty claims, although in this case there is little they can do, the solution needs to come from Japan.
The battery in the Tiida really is only marginal for the job, and if the power drops the car won’t start, even though it might crank over. The on-set of winter has exacerbated the issue. Buy a better battery.
The air-conditioning is not working. It could be the battery you bought. The original factory-fitted battery was barely up to the job, and you can have trouble when the voltage drops, so if you’ve just bought a straight replacement it too might lack the necessary grunt.
Since we last responded to your question we have found out that the X-Trail does have an issue with the breakdown of the catalytic converters in the exhaust system, and the abrasive powder formed can be sucked back into the engine because of the valve overlap Nissan employs to control NOx. Once in the engine it can cause rapid wear of the bores and rings, and the oil trial like yours shows.