05 tahoe - flex fuel to gas only
#1
05 tahoe - flex fuel to gas only
So I'm wondering what, if anything, would need to be done if I were to replace a flex fuel motor with one that was built for gas only.
I've got a high milage 5.3 with the flex fuel option, and a mechanic friendl has a freshly built moto that he'd sell me for almost nothing. It came from a gas only truck, and was rebuilt to those specs.
I know I would lose the ability to use the e85 (I dont use it anyway, so that's not a concern to me), but i was curious if there was any reason why a gas only motor wouldn't work if i dropped it in?
Would this be a straight plug and play, or would my flex truck need reprogrammed, or other parts replaced to go this route?
I've seen a lot of discussions about converting a non- flex motor to one that is, but what about going the other direction?
I've got a high milage 5.3 with the flex fuel option, and a mechanic friendl has a freshly built moto that he'd sell me for almost nothing. It came from a gas only truck, and was rebuilt to those specs.
I know I would lose the ability to use the e85 (I dont use it anyway, so that's not a concern to me), but i was curious if there was any reason why a gas only motor wouldn't work if i dropped it in?
Would this be a straight plug and play, or would my flex truck need reprogrammed, or other parts replaced to go this route?
I've seen a lot of discussions about converting a non- flex motor to one that is, but what about going the other direction?
#3
As tech2 said it's all in the fuel system. Stainless lines and a alcohol sensor in the fuel line to measure how much ethanol is in the fuel so PCM knows how to fire the injectors.
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tech2 (April 16th, 2021)
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