i30 Owners Club
GOT PROBLEMS OR ISSUES? => DIESEL => Topic started by: Abhi6789 on September 23, 2023, 07:29:25
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Hello
I am new here and was hoping to get an insight at what's happening with my recently purchased Hyundai i30 1.6 crdi 2017 mk3 Diesel Manual.
Firstly, it was all fine until I got it tuned to stage 1 and it started to lug/ hesitate at around 1600-1900 rpm especially when going ascent like a sudden jolt and after that it seems fine but it would occur in 3rd and 4th gear predominantly.
I immediately got the tune removed and the problem still continues. I changed the oil and filters and it seemed to be fine for an hour but the problem still persisted. I recently used a wynns diesel cleaner and the car was relatively smoother for a day or two but the problem is back. I still have the jerking at 3rd and 4th gear around 1600-1900 rpm it's like the car is suddenly going out of breath and coming back to like after a second and after that, the acceleration feels normal.
One more important thing... While in normal acceleration, if I stop it suddenly, the idle would be rough and the rpm comes down from 1000 rpm to idle rpm slowly like 3 to 4 seconds to get to smooth idle.
May I please get some suggestions here??? I cleaned the oxygen sensor of carbon formation too but it's still the same.
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I’m having a very similar issue, 2013 Hyundai i40 1.7L Diesel. I’ve posted on here about it but no response for me, looking forward to seeing if someone suggests a fix for you
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Crankshaft sensor maybe - check for codes