Quote:
Originally Posted by 4X4Toyer
GM's AFM is a dissaster. Many engines are being worked on right now for lifter problems. In real life driving the AFM is useless.
It only kicks in when driving downhill or severely flat areas.
I test drove several of the GM twin trucks with the AFM and I couldn't get them to stay in the 4 cyl. mode for longer than 10 seconds. Some of them made a smooth transition to the 4 cyl mode and others were not as smooth.
That right there raised major red flag questions in my mind
This technology is nothing but an added issue that will cause engine problems down the road.
Chevy claims that with the AFM they are getting the best MPG's of any full size half ton.
If you look at all the reviews done by independant companies the Tundra actually gets the best real world mileage. The Tundra has the most HP and it gets the best MPG's.
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I know Toyota V8 are pretty good on Mpg vs other's in this class but even still it's not all that very good . I was test driving a 2009 Honda pilot and Honda is using an engine very similar to Gm But without problems I am sure
. If Honda can do this so can Toyota it's not rocket science
honda calls there system Variable Cylinder Management™ (VCM
2009 Honda Pilot - Official Honda Site