Posts tagged ‘pump’

Diesel Fuel Nozzles Don’t Fit in Standard Fuel Cars

Diesel cars are not popular in North America. But, diesel engines are fairly popular in pickup trucks and are becoming more popular in North American cars.

Although they have a limited history in America, foreign car manufacturers sell many diesel models in Europe.

Diesel engines are generally very efficient and that behind their new found demand. As diesel becomes more popular, you will likely see more diesel pumps.

This is good if you have a diesel car, potentially bad if you don’t. Diesel pumps present a slight risk to your standard gasoline vehicle — you do not want to put diesel fuel in a car that uses standard unleaded fuel.

Standard engines use spark plugs to burn the fuel, diesel engines use pressure and heat to cause a reaction in diesel fuel. That means standard engines will not burn diesel fuel. If you inadvertently put diesel in an unleaded car, the engine will stop very quickly. It’s not usually a total loss, the fuel system will have to be cleaned, filters will need to be changed and the whole process can cost as much as $600.

But, there is an easy way to avoid this costly mistake. First, diesel fuel dispensers are usually clearly marked with text and with a special color handle (the color varies by station).

Second, the nozzle on the end of a diesel fuel pump is slightly larger than a standard fuel nozzle. That means it won’t fit in your car’s gas hole, at least not that way you’re used to a pump nozzle fitting. If you notice that the nozzle isn’t going as far in as it usually does, check the pump, you might be holding a diesel trigger.

This same principle was used in the 80s when we transitioned from leaded to unleaded fuel. Leaded fuel nozzles wouldn’t not fit in unleaded gas holes.

Checkout some other gas related Broken Secrets:

Broken Secrets | By: Chad Upton

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Sources: Answer Bag, WTSP, Dixon Nozzles (PDF)

Photo: teachernz (cc)

June 9, 2010 at 5:00 am 5 comments

Locking the Gas Pump Trigger

UPDATE: It is illegal in some places to leave the gas pump while filling your tank. After doing some further research, it appears this is done for two reasons. 1. To prevent you from getting back in your vehicle, which can cause a static buildup that could cause a spark (and fire) when you touch the pump handle again. 2. To ensure you are nearby if the auto-stop fails and fuel begins to spill. So, even if your station provides a locking mechanism, the safest option is to hold the handle while filling.

If you’re like me then you like to lock the fuel pump trigger so you can clean all the garbage out of your car while the tank is filling.

Some gas stations remove the device that locks the trigger so you can’t walk away from the pump while it’s filling. But, there is a secret to locking the trigger without the built-in mechanism: stick your gas cap under the trigger.

That’s it. Now you can do other things while your tank is filling, like tidy your trunk or complain about gas prices with some sucker who is attached to their pump.

Gas Pump Cap Hack

Keep an eye on your pump and use this tip at your own risk.

December 21, 2009 at 12:01 am 14 comments


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