LPG Candles Endurance: Spark Plug Replacement Interval for Gas-Only Engines & 3-Cylinder Symptoms

Question

Every how many km you should change the spark plugs running only on gas. Because at my place after around 10 am to 1 pm. 000 km a few seconds after starting the engine it behaves as if it was walking on three cylinders but it gasped a few times and it's ok

Sady · Answer

It depends on the manufacturer you have candles, cables, the rest of the electrics I recommend NGK and somewhere for 20-30 thousand it should be fine, but the cables should also be replaced

virus123456 · Answer

NGK candles for up to 40,000, and cables so often I think that it is not worth it (I recommend buying 1 time better than changing every year)

T/J · Answer

Hello
The reason for this behavior of the engine during start-up does not have to be worn-out spark plugs, but the rule is: Spark plugs operated on LPG should be replaced much more often than recommended by the manufacturer for a given engine because they operate at a higher temperature and there is a risk of early damage. .
Now is the period of very humid air, so if the car is parked in an open air, the reason may be high-voltage cables, which often get wet and then the engine starts to work as you wrote. Check the dome and switch finger.
I greet and wish you a merry christmas

Slawek J · Answer

Candles can, and for a long time, fulfill their role in a car only every engine and how long it will last. It all depends on the type of gas installation and whether you carry out periodic inspections, i.e. mix adjustments. With older installations, on average, it is replaced every 10 thousand km, while newer ones are replaced every 15 or even 20 thousand km. I do not know what car you have, but if it is powered by gas, I suggest replacing every 10,000 and checking the composition of the mixture. I recommend NGK for candles.
Greetings.

lukasz lodz · Answer

Hello, I do not know if NGK produces candles for Sierra. And the ones I have are Bosh, unfortunately I have very poor cables. I will change and write what effect. I also wish you a Happy Holidays.

hacckker · Answer

I depend on replacing the candles every 10,000 km, so together with the oil, max 15,000 on this is not worth saving

lukasz lodz · Answer

thank you all for the help of the WN cables, the new problem is gone. (they were not old, but the cheapest PLN 25) is not worth saving.

marekMJ7 · Answer

In Peugeot 407 2.2 petrol, I replaced the candles after 55,000 km, after installing the new ones, they do not differ from the old ones. If the installation is well set up and the maps are well matched with gasoline, I think that a mid-range LPG candle of 60,000 should be able to withstand it. When I replaced it, I had the perfect coffee color of the candles without any burn marks. My uncle in Toyota Yaris mentions every 60,000 and it's ok. I also think that every 30,000 is a bit too often. I have Bosch candles, a gap of 0.9 mm for PLN 12 each

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LPG Candles Endurance: Spark Plug Replacement Interval for Gas-Only Engines & 3-Cylinder Symptoms

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