5.3 liter flex fuel

Asked by Jun 08, 2017 at 09:27 PM about the 2009 Chevrolet Silverado 1500 LT1 Crew Cab 4WD

Question type: Maintenance & Repair

I have a 09 Silverado crew cab 4x4 flex fuel 5.3  
with the AFM crap and it has dropped a lifter and
I'm looking to buy a motor. Is there a motor I can
buy that will work in my truck that doesn't have
AFM

5 Answers

74,105

To be legal you will be stuck installing the same type engine but you can turn off the AFM. http://www.autoanything.com/performance- chips/range-active-fuel-management-disable-device

The device that disables the AFM, is it gauranteed to prevent the problems caused by the AFM?

74,105

Read the description. The reviews look pretty good.

Best place to order the new motor?

74,105

Try GM for a new motor. There are other tuners that can deactivate the AFM so do your research. Since your truck is long past the warranty period you don't have that to worry about. http://www.chevrolet.com/performance/crate-engines

1 of 1 people found this helpful.

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