Common questions

Is the 5.3L V8 available as flex fuel?

Is the 5.3L V8 available as flex fuel?

It appears both are available as Flex Fuel or just gasoline. Not sure why GM needs four 5.3L V8 engine varients available in the same truck, other than to confuse the consumer! another good question. right now i have the all aluminum 5.3.

Which is better aluminum block or 5.3 flex fuel?

The aluminum block 5.3 is only available for the 4wd EC and CC models instead of the iron block IIRC. The aluminum 5.3 is only available in the crew-cab,not the extended-cab. E85 is a joke for an alternative fuel. Good dont use it there will be more for me than. I would get the flex fuel option.

How to disable Active Fuel Management on GM LS?

There are two ways to disable or delete Active Fuel Management on your GM or Chevy Gen IV LS or LS-based Vortec engine—one is to install an AFM Disabler, and the second is to install an AFM Delete Kit. Here’s what you need to know: 1.

Is the 5.3 liter Chevy engine reliable?

Despite its reliability, there are some fundamental issues that this 5.3 Liter Chevy engine has. Noise and misfire seem to be very commonplace for this 5.3-liter engine. These misfires happen as a result of various kinds of Active Fuel Management Lifter.

Can a Chevy Silverado 8L have Active Fuel Management?

8L model [&does&] not [&have&] [&active&] [&fuel&] [&management&]. For the old timers out there, it is the same issue as the Cadillac V8-6-4 engine. Make no mistake, If your vehicle has [&active&] [&fuel&] [&management&], you have a problem! GM is aware and do not have a fix for this issue.

It appears both are available as Flex Fuel or just gasoline. Not sure why GM needs four 5.3L V8 engine varients available in the same truck, other than to confuse the consumer! another good question. right now i have the all aluminum 5.3.

What does Active Fuel Management ( AFM ) do?

Active Fuel Management (AFM), otherwise known as Cylinder Deactivation is a General Motors engine technology that shuts down half of the engine’s cylinders in light driving conditions to improve fuel economy.

The aluminum block 5.3 is only available for the 4wd EC and CC models instead of the iron block IIRC. The aluminum 5.3 is only available in the crew-cab,not the extended-cab. E85 is a joke for an alternative fuel. Good dont use it there will be more for me than. I would get the flex fuel option.

What’s the name of the 5.3 liter Chevy engine?

Generation-five Ecotec3 5.3 Problems The Vortec 5300 namesake was finally replaced with the fifth-gen smallblock family, starting with model year 2014 trucks and SUVs. The 5.3 engine is now known as the Ectotec3 5.3-liter V8. The major difference between these engines and the Vortec 5300 engines is the fuel injection system.

Which is better aluminum 5.3 or flex fuel?

The aluminum 5.3 is only available in the crew-cab,not the extended-cab. E85 is a joke for an alternative fuel. Good dont use it there will be more for me than. I would get the flex fuel option.

What kind of fuel does a Silverado 1500 use?

I found an 08 SLE1 with a NFL package. 20″ rims (which I am up in the air about…like the look probably stink in the snow) and the 5.3 Flex fuel motor. I know it will burn the E85 which I have never seen available in my state or any state around me.

What kind of engine does a GM Tahoe have?

It was produced for GM’s 2006-2014 GMT900-based SUVs, including the Chevrolet Tahoe and Suburban as well as the GMC Yukon and Yukon XL. The arrival of the all-new 2015 Tahoe/Suburban and Yukon/Yukon XL has resulted in the LMG being replaced by the all-new 5.3-liter V8 EcoTec3 L83.

What kind of engine does a GM 5.3L LMG have?

GM 5.3L V8 Vortec LMG Engine Specs Type: 5.3L Gen IV V8 Small Block Displacement: 5328cc (325 ci) Engine Orientation: Longitudinal Compression ratio: 9.6:1 Valve configuration: Overhead valves

How does variable valve timing work on a Chevy 5.3L?

Variable valve timing helps the 5.3L optimize performance and efficiency and reduce emissions, while GM’s Active Fuel Management cylinder deactivating technology helps improve fuel economy in certain light-load driving conditions. It is also E85-capable.

What kind of car has a 5.3 liter V8?

GM 5.3L V8 Vortec LMG Engine Vehicle Applications Vehicle Transmission Chevrolet Tahoe (GMT900) MYC-6L80 Chevrolet Suburban (GMT900) MYC-6L80 GMC Yukon (GMT900) MYC-6L80 GMC Yukon XL (GMT900) MYC-6L80

It was produced for GM’s 2006-2014 GMT900-based SUVs, including the Chevrolet Tahoe and Suburban as well as the GMC Yukon and Yukon XL. The arrival of the all-new 2015 Tahoe/Suburban and Yukon/Yukon XL has resulted in the LMG being replaced by the all-new 5.3-liter V8 EcoTec3 L83.

Is it good to have flex fuel in a truck?

If you find a truck that has it and it has everything else you want great, but on the other hand you find a truck that has everything else you want and doesn’t have that flex fuel, don’t worry about it. Especially if it is not easily available. My personal opinion is that E85 is short lived.

The aluminum 5.3 is only available in the crew-cab,not the extended-cab. E85 is a joke for an alternative fuel. Good dont use it there will be more for me than. I would get the flex fuel option.

How does the fuel composition sensor work on a Chevy Tahoe?

Your fuel composition sensor has nothing to do with your oxygen sensors nor your catalytic converters. Your upstream oxygen sensors detect oxygen level in your exhaust stream and this information is used by the PCM to determine what the pulse width (Open and close time) of your fuel injectors along with input of some other sensors too.

What should the fuel pressure be on a flex fuel engine?

Flex fuel engines: 48-54 PSI. These are the test steps: Connect your fuel pressure tester to the Schrader valve. Have your helper crank the engine while you observe the needle on the fuel pressure tester gauge. The fuel pressure tester should give you a reading between 55 to 62 PSI. CASE 1: The fuel pressure is within the indicated specification.

What should the fuel pressure be on a Chevy Silverado?

If you want to save some bucks on this purchase take a look at my recommendations here: Where To Buy A Fuel Pressure Test Gauge. FUEL PRESSURE SPECIFICATION: The fuel pressure specification for the 1999-2006 4.8L, 5.3L, 6.0L Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL) is 55 to 62 PSI. Flex fuel engines: 48-54 PSI.

What’s the fuel pressure on a 99 5.7L?

Not sure what this means in real life. My 99 5.7L was always a little below the low end of the fuel pressure specs – even with a new GM pump (still ran fine). Thanks for your reply. Key on, engine off for my truck is 55 psi. Driving is 45 psi. I just can’t believe 45 is enough for this engine.

I found an 08 SLE1 with a NFL package. 20″ rims (which I am up in the air about…like the look probably stink in the snow) and the 5.3 Flex fuel motor. I know it will burn the E85 which I have never seen available in my state or any state around me.

If you find a truck that has it and it has everything else you want great, but on the other hand you find a truck that has everything else you want and doesn’t have that flex fuel, don’t worry about it. Especially if it is not easily available. My personal opinion is that E85 is short lived.

How many miles does a 2003 Chevy Tahoe have?

Water pump , fuel pump changed , 37 people found this helpful. 260,0000 miles 2003 Chevy Tahoe 4.8 L Still running great Only replaced fuel pump at 230,000 25 people found this helpful.

What’s the mileage of a Chevy Vortec 5.3?

Before we dig into the common problems, let’s talk about engine reliability. The Vortec 5.3 is widely regarded as extremely reliable, with most engines having a lifespan within the 200k-300k mileage range.

How long is the life of a Chevy Tahoe on average?

How long is the life of a tahoe on average. THANKS Most newer cars are good for 200k miles easily. That said, you might want to check out www.carsurvey.org, where real owners post problems they have had with their vehicles. Read what kinds of problems others are experiencing and see what you might likely face.

What kind of gas should I use for a Silverado Sierra?

Truck is a ’09 Silverado with the 5.3L. Thanks in advance. Re: Very, very stupid question… For your 5.3L, GM recommends 87 octane or higher. If it was a 6.2L, you should use premium 91 octane or higher. Make sure to fuel the vehicle with quality fuel.

What kind of gas should I use for a 5.3L truck?

For your 5.3L, GM recommends 87 octane or higher. If it was a 6.2L, you should use premium 91 octane or higher.

Where is the oil deflector valve on a GMC ACM?

This valve is located on the oil pan rail and prevents excessive oil pressure from negatively impacting the AFM components. The original version sprayed oil on the cylinder walls and increased oil consumption. In 2010, GM added a deflector (p/n) NAL-12639759 to redirect in into the pan.

Which is Chevy 5.3 liter long block crate engine?

The Chevy GM 5.3 liter Vortec 325 LMG Long Block Crate Engine Sale has begun! Of the 325 series of engines the LMG is Flex-Fuel motor with a cast iron block and features “DOD” (displacement on demand) technology which was designed to increase fuel efficiency in V6 and V8 trucks.

Can a summit 150153 crate engine replace a GMC Sierra?

The Summit 150153 crate engine can replace the factory LS based v8 in a GMC Sierra. You will need to have the computer programmed to accept the larger camshaft and additional power. 0 of 1 found this answer helpful.

Is the LMG 5.3 long block crate engine rebuilt?

The LMG can be distinguished from the other 5.3 engines in the series by ensuring the 8th digit of the VIN is a “0”. A rebuilt LMG engine in most cases can have a prematurely shortened life. Our long block OEM replacement engines are completely remanufactured using upgraded parts specifically designed to extend the life of your LMG engine.

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Ruth Doyle