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Old 12-29-2017, 11:38 AM   #35 (permalink)
EcoModding Lurker
Join Date: Jan 2017
Location: UK
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An update on the story. Its been in the garage for three MONTHS. I've just turned 1000 miles on the hire car I've been using. The UK head of engineering for Hyundai is apparently getting involved and so far replaced parts.. that I know of..

2 lifters
12 valve springs
2 valves

the heads been on and off more times than the average lightswitch and they *still* can't find the problem. Yet with aero mods, pulse and coast and fuel octane additive it was doing 42mpg before it went in in September. The Kia Rio with the 16v version of the same engine is barely managing 36.

what's really annoying me is the guy is refusing to give it back until he's fixed it while I'm stuck with a blatantly obvious courtesy car with a 1000 insurance excess!
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