5.3 liter flex fuel

360

Asked by Brent Jun 08, 2017 at 09:27 PM about the 2009 Chevrolet Silverado 1500 LT 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

6 Answers

F_O_R answered 7 years ago

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

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360

Brent answered 7 years ago

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

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F_O_R answered 7 years ago

Read the description. The reviews look pretty good.

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F_O_R answered 7 years ago

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

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10

Morepower7399 answered 4 years ago

My 08 GMC Serira has a vibration when it switches from v8 to v4 with the flex fuel can someone tell me way

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Your Answer:

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