Kia Grand Carnival Engine Problems

Cause of high fuel consumption in Grand Carnival?

Answered by CarsGuide 17 Feb 2017

If you're using mostly it around town, as I suspect you are, the consumption is about what I would expect.

Kia's own claims for fuel consumption for urban (city) use is 15.1L/100km, and the driving range is a little over 500km, smack on what you say you are getting.

The average of combined urban (city) and extra-urban (country) is claimed by Kia to be 10.9L/100km.

The bottom line is that it's a big blob of a vehicle with a relatively large engine doing the work, that's not a recipe for fuel low consumption.

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LPG limits for Kia Grand Carnival

Answered by CarsGuide 18 Nov 2010

Fitting LPG will void the manufacturer's warranty with respect to anything that had been modified in fitting the system. To cover the system and the installation you would need to get a warranty from the installer. EMR have a vapour-injection system they have successfully installed on the Kia Grand Carnival with the 3.8-litre V6 engine. The LPG tank is fitted in the rear storage compartment, so it has minimal impact on the rear of the cabin.

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Ask Smithy Xtra Kia Grand Carnival gas conversion

Answered by CarsGuide 9 Nov 2010

It does affect the warranty in as much as the carmaker’s warranty would no longer cover the engine and anything affected by the installation of the system. If you wanted a warranty on those components you would need to buy a warranty from the LPG system installer. As a general rule a vehicle uses around 20 per cent more LPG than it does petrol, but the extra fuel is offset by the lower price of LPG. EMR have a sequential vapour-injection system that is said to work well, and the tank goes in the storage cavity in the rear, so there is minimal impact on the boot space.

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Ask Smithy Xtra Kia Carnival engine fault

Answered by CarsGuide 27 Jul 2010

Kia never recalled the Carnival, instead preferring to rebuild engines as needed. The problem was with the head gaskets of the early cars and Kia’s approach was to replace the head gaskets when the engine was rebuilt, but some owners report having the rebuilt engine fail as well. That suggests the fix wasn’t altogether successful.

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