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I currently own a 2013 Fiat 500 Abarth which has the same motor in the Renegade.... I do NOT like this engine. It has a nasty power dip/ pause at about 3K under medium hard to hard acceleration. I have tried different power modules, intakes, and intercoolers to try to get it to smooth out. It has also a hesitation when starting out from a standstill and it absolutely hates heat. It's power deliver is never smooth or consistent.
The way Fiat designed it's intercooler piping is something of a joke. For instance, on the flex piping, you will have a worm clamp on one side but a a spring locking wire on the other. What this does is enables the flex pipe to rotate and move in out on the hard pipe creating leaks. At 28K miles I ditched the twin intercooler for a single front mount and found two leaks. Now it is possible that Fiat did some upgrades from the Abarth but I am glad the V6 is in the Trailhawk. I just wish you could get a manual.
The way Fiat designed it's intercooler piping is something of a joke. For instance, on the flex piping, you will have a worm clamp on one side but a a spring locking wire on the other. What this does is enables the flex pipe to rotate and move in out on the hard pipe creating leaks. At 28K miles I ditched the twin intercooler for a single front mount and found two leaks. Now it is possible that Fiat did some upgrades from the Abarth but I am glad the V6 is in the Trailhawk. I just wish you could get a manual.