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What is a EVAP pressure sensor?

What is a EVAP pressure sensor? The EVAP Pressure Sensor, also known as a Fuel Tank Pressure (FTP) Sensor is a device that measures air pressure or vacuum in the evaporative emission (EVAP) system. This sensor is typically found on top of or inside of the fuel tank. What causes an EVAP system pressure sensor to be low? An EVAP system pressure that is unusually low indicates a problem not just in the sensor itself but the entire system. What are the Possible Causes of the P0452 Code? A P0452 code is most likely caused by a gas cap left...
Easy tips

Are there transmission problems in a 2002 Chevy Silverado?

Are there transmission problems in a 2002 Chevy Silverado? The vehicle was towed to an independent repair shop where the contact was informed of the problem. 2001-2002 Silverado pickup with allison lct1000 auto-trans. Bulletin 02-07-30-011b I have had this switch fail twice, gm knows of the bulletin but fails to see how dangerous the truck becomes when switch fails. Why does my Chevy Silverado Trans not move? I'm looking for a little info on my 4L80E trans that will not move when switched to reverse, there was a slight squealing noise when going from drive to reverse and then it...
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Is a 96 an OBD2?

Is a 96 an OBD2? Hear this out loudPauseAll cars and light trucks built and sold in the United States after January 1, 1996 were required to be OBD II equipped. In general, this means all 1996 model year cars and light trucks are compliant, even if built in late 1995. 2) There will be a note on a sticker or nameplate under the hood: "OBD II compliant". How does the Innova GM code reader work? The INNOVA GM Code Reader accesses the vehicle's on-board computer to retrieve engine and electronic transmission codes and ABS vehicle computer codes. It connects...
Common questions

Which trucks have an Allison Transmission?

Which trucks have an Allison Transmission? Chevrolet Silverado.Chevrolet Kodiak/GMC Topkick.GMC Sierra.Hummer H1.Chevrolet B-Series. Are all Duramax Allison Transmission? The Allison 1000 has been the standard automatic transmission for the Duramax diesel since its inception in 2001. GM sold Allison Transmission in 2007, although Duramax powered pickups continue to use their transmissions. Are there any changes to the Allison 1000 transmission? Allison 1000 Transmission Features. Moderate changes have occurred to the transmission throughout the years however the platform itself has, for all intents and purposes, remained the same since 2001. The most notable modification has been the transition from a five...
Easy lifehacks

What happens when you change rear brake pads?

What happens when you change rear brake pads? The aluminum housing corrodes internally and when you press the piston back in it will stick almost everytime. Replacing the brake fluid yearly helps this problem but it does not guarantee it won't happen again next time you change pads. Can you replace the rear brake pads on a Silverado? Yea replacing the rear calipers is pretty much a nessesary procedure when doing rear brakes on 99-04 1500 silverados. The aluminum housing corrodes internally and when you press the piston back in it will stick almost everytime. Why do my rear calipers...
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What happens when the ABS light comes on?

What happens when the ABS light comes on? The vehicles that correct itself after turning the engine off OR when the ABS light comes on, then the entire system is disabled and the pump stops, so no more feedback in the brake pedal. The leak can be an internal seal leak and you will not see it on the outside of the ABS module so beware. Can a parking brake light be activated by ABS? Usually, the brake fluid level sensor and the parking brake are the only two items that can activate the BRAKE light. But, not all vehicles...
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What does it mean when there is a warning sign on a Chevrolet?

What does it mean when there is a warning sign on a Chevrolet? If a warning light has appears on your Chevrolet and you’re unsure what it means, it’s often a good idea to safely pull off the road to investigate – particularly if the warning symbol is red or flashing. Red warning lights represent the most urgent and without swift action may result expensive repairs. What are the warning lights on my dashboard? So, what is that light on your dashboard? What follows is easily the most complete list available of symbols and warnings that may appear in and...
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Why does coolant disappear from Radiator reservoir?

Why does coolant disappear from Radiator reservoir? Call it antifreeze, a coolant, or even radiator fluid; the purpose is to maintain the engine’s cool. There may be times when the coolant system may fail due to one reason or another. The mystery arises though when magically the coolant disappearing from reservoir is noticed with no potential signs of leakage. Why does my car have low coolant levels? Low coolant levels or running with aged coolant are common problems that are observable in cars. The curiosity arises when the coolant mysteriously disappears from the reservoir, and you don’t even witness any...
Easy lifehacks

How do you read an air filter restriction indicator?

How do you read an air filter restriction indicator? The indicator is easy to read. As the air filter plugs, and restriction increases, the yellow position indicator moves in the clear window and locks at several points. When it reaches and locks in the red zone, the air filter should be changed and the indicator reset to zero. Which gauge is used for low pressure measurement? Ionization gauge: The ionization gauge is a special type of instrument used for measuring very low pressures in the range mbar to 1 mbar. What causes TYRE pressure to drop? One of the most...
Easy lifehacks

Where is the water pump on a Chrysler 3.0 engine?

Where is the water pump on a Chrysler 3.0 engine? The pump or the pump gasket will leak. It can be hard to pinpoint the source, but if it is coming up from high on the engine, the pump is the likely source. This repair is difficult, owing to the location of the water pump on the front of the engine, under the timing belt cover. How do you replace a water pump in a Dodge Ram? If your water pump contains a thermostat, install it into the new pump with the spring end inside of the pump. Some thermostats...