Common questions

Do you need a fuel tank vent?

Do you need a fuel tank vent? Your tank has to breathe. In order to breathe, your tank must have a vent somewhere that will relieve both vacuum and pressure. Gasoline expands in volume as it warms up and shrinks in volume as it cools down. The fuel level of your tank changes throughout the day, even if you are not driving it. Are vented fuel tanks dangerous? It is these changes in volume due to temperature changes that make gas tank venting necessary.” Higher pressure can lead to dangerous conditions like tank bulging, fuel line leaks, fuel pump problems,...
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What happens when you drive on bad brakes for too long?

What happens when you drive on bad brakes for too long? When the brake system becomes impaired, it can lead to irreversible damage to the tires. Slamming on the brakes due to worn pads, rotors, and calipers, leads to unbalanced tires. This, in turn, affects the tires, causing them to wear down much faster than they should. Do you need to troubleshoot your car's braking problem? Seriously, brakes aren't something to play around with. If your car is having a braking problem, whether it's weak brakes, a mushy pedal, or grinding sounds, you need to troubleshoot and repair it as...
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What does EGR reduce?

What does EGR reduce? The EGR reduces NOx through lowering the oxygen concentration in the combustion chamber, as well as through heat absorption. EGR is also used in gasoline engines, primarily in order to reduce pumping work and increase engine efficiency. Does EGR increase fuel economy? The use of external exhaust gas recirculation (EGR) in stoichiometric spark-ignited (SI) engines improves fuel economy by reducing pumping work and heat transfer losses [4] . Can a bad EGR cooler cause an engine to overheat? If the EGR cooler has any issues that restrict the flow of exhaust gases through the cooler it...
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What does DIC mean in slang?

What does DIC mean in slang? Summary of Key PointsDICDefinition:Do I Care?Type:AbbreviationGuessability:4: Difficult to guessTypical Users:Adults and Teenagers What does it mean when someone says Guy? guy Add to list Share. A guy is a dude, a boy, a man, or really anybody. It's an informal way to refer to a person, especially a male. But a group of people can be guys, even if they're all female. What does it mean if a guy is Urban? adj. : a word used in substitution to 'ghetto'. Often used to refer to something that is not proper and lacks social standing....
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Is there a neutral in a transfer case?

Is there a neutral in a transfer case? The transfer case NEUTRAL position disengages both the front and rear drive shafts from the powertrain and will allow the vehicle to roll, even if the transmission is in PARK. The parking brake should always be applied when the driver is not in the vehicle. What does N mean in 4WD? Neutral (N) Neutral — This range disengages the front and rear. driveshafts from the powertrain. To be used for flat. towing behind another vehicle. Is the 4Lo button on a blazer working? I also now notice (in testing it) that the...
Easy lifehacks

How to get the AC mode selector out of defrost?

How to get the AC mode selector out of defrost? You will need to take a few trim panels off to get to the mode actuator. Remove upper dash panel above shelf (the one with the passenger side vent) - Pops out. Start on right hand side. Remove the five screws in the shelf area (three on top. two on bottom) and remove shelf. Remove kick panel under the glove box. Pops out. Why does my AC only blow out defrost? Symptoms/Behavior: AC only blows out defrost and floor - unable to get air to come out middle front vents....
Common questions

How long does it take for a gas tank to run out?

How long does it take for a gas tank to run out? Regular gasoline has a shelf life of three to six months, while diesel can last up to a year before it begins to degrade. On the other hand, organic-based Ethanol can lose its combustibility in just one to three months due to oxidation and evaporation. Tracking the age of the fuel in your tank can be a challenge. What to do when your gas tank goes bad? If you know your gas will sit in your tank or the storage container for a couple of months, then the...
Easy tips

Why do I have blue smoke coming out of my engine?

Why do I have blue smoke coming out of my engine? What happens is that the piston rings or the valve guide seals or other components of the engine are worn or broken, causing oil leaking. The oil will flow into the combustion chamber, then it is being burnt together with the fuel, creating blue smoke. What causes white smoke from exhaust when idle? What Causes White Smoke From Exhaust When Idle? If you have white smoke from exhaust when stopping or idling, your combustion chambers engine might get oil inside, which cause them to burn off the exhaust. This...
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What temp is too hot for an Allison transmission?

What temp is too hot for an Allison transmission? Temperatures from 230-240 have been reached with no damage to the transmission. If you are seeing temps above 225 degrees on a regular basis you should check your fluid level. Fluid levels to high may cause excessive temperature. What to do about a Duramax 6.6 LB7 engine? If you are having a problem with your 2001-2004 Duramax 6.6 LB7 diesel engine, please feel free to give us a call. We carry a full line of repair and performance parts for these engines that we install in our shop on a regular...
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What causes a car to run rough in the weather?

What causes a car to run rough in the weather? If the engine temperature sensor fails, it sends the wrong temperature signal, and the result is a fuel mixture that is too lean, which makes the car run rough. As the weather warms up, this is rarely a problem. Why is my car hard to start cold or runs poorly? Those are your main causes of cold start enrichment failure. I suppose a fuel pump could be weak, and not be able to deliver enough fuel. Or a fuel pressure regulator could be going out. Generally speaking, any other cause...