How do I know if my car has active fuel management?

1:456:22Why and How to Disable GM's Active Fuel Management (AFM)! - YouTubeYouTubeStart of suggested clipEnd of suggested clipCover the afm cover is ribbed on top with solenoids on the underside. It has an electrical connectorMoreCover the afm cover is ribbed on top with solenoids on the underside. It has an electrical connector on the back. And the non-afm engines all have just a smooth valley.

What does a piggyback ECU do?

Q: What does a piggyback ECU do?

Piggyback ECU's are wired to work with the factory ECU. ... Intercept the signal from the sensors before the factory ECU, and modify those signals so the stock ECU is “tricked” into making the vehicle behave the way you want.

1 Answer:

BOTAK WAI
Piggyback ECU's are wired to work with the factory ECU. ... Intercept the signal from the sensors before the factory ECU, and modify those signals so the stock ECU is “tricked” into making the vehicle behave the way you want.

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How do I know if my car has active fuel management?
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Cover the afm cover is ribbed on top with solenoids on the underside. It has an electrical connectorMoreCover the afm cover is ribbed on top with solenoids on the underside. It has an electrical connector on the back. And the non-afm engines all have just a smooth valley.
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