Fuel Checker Prevents Terrifying Mistake

by Mark R

I’m not certain if this is one of the most useful or useless devices that I have ever reported on. This next device is for those who try to refuel their car with the wrong type of fuel. So if you’ve ever put diesel instead of unleaded in your car by mistake, perhaps this could prevent you from ruining your engine all over again.

Yes, I have never done that either, but I guess it couldn’t hurt to have a little preventative measure like this. All that is required is to install the gadget on the inside of your fuel flap, and go ahead and hold the fuel nozzle up every time you fill ‘er up. If you put the wrong type of fuel in, a little light will go off.

I don’t know about you, but most of the gas stations have the diesel pump separate from the regular, premium, or unleaded choices. Also, isn’t the nozzle of the diesel pump slightly larger than that of regular gas tanks?

I see one good use for this. Parents can put it on their gas tanks so when their kids fill the car up for the first time, there will be a warning in case the wrong gas is used.

So, you may not feel that you need something like this, but for those who are incredibly cautious, you can purchase it for about $40.


8 reviews or comments

John Says: August 5, 2008 at 12:42 pm

Diesel pump nozzles are green-handled. The “Diesel Checker” is black: the same color as the gasoline pump nozzles. Cheers to confusing the confused!

Robert Says: August 6, 2008 at 4:09 am

I don’t know where John is from, but in South Africa Diesel pumps are black (low-sulphur diesel is yellow), unleaded petrol is green.

I think this is quite a useful little gadget. In SA we have pump attendants – not allowed to pump your own fuel. Since I drive a ‘normal’ car that has a diesel engine, I always have to get out of the car and make sure the attendant puts diesel in. They often fight with me and I have to point out the filler cap that says “DIESEL”. Then again, if they don’t read the filler cap, they probably wont look at the Fuel Checker either.

Bruce Says: August 6, 2008 at 4:14 am

John, you just identified that the whole universe doesn’t revolve around America (in spite of what Americans think!). These products are from the UK, where PETROL (we use gas for cooking!) is unleaded and identified in green, and diesel is identified in black, hence the product colours.
A larger diesel nozzle doesn’t stop someone from filling a diesel with ‘regular’/’gasoline’/’unleaded petrol’ and destroying the engine & fuel system.

I guess the product might be especially applicable to American visitors to the UK who rent a vehicle!!

joe Says: August 9, 2008 at 1:02 pm

aren’t the nozzles different sizes anyway for diesel…

moos Says: August 13, 2008 at 4:08 am

this happens all the time in europe. deisel is used for cars quite often and so the mistake can be made easily. i’ve done it a couple times myself.

joe Says: September 3, 2008 at 5:18 pm

If you dont know what type of gas your car takes…you have bigger problms lol

William Says: December 26, 2009 at 9:27 pm

Bruce, you just identified that people from the UK are jerks! John’s comment is completely honest as I had the same question. What if these were made in the US with the color designations opposite of that in the UK, you would have the same question you wanker. Don’t be so quick to judge because if it were not for us(US) you might be speaking German. Gehen und spielen mit den schwestern spielzeug.

D Williams Says: October 12, 2010 at 3:34 pm

What a totally useless writeup. “just because I haven’t done it…”
Well MILLIONS of people have done it and if you ever DO do it I hope it costs you THE best part of a week’s paypacket to put it right, just to have it emptied out, Because that it what it costs, and so what this gadget potentially saves. Oh I am thinking an overpaid writer earns £500 a week.
Cor I could be a writer.

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