Iload jerking under load and blowing black smoke - Hyundai Forums : Hyundai Forum
 
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post #1 of 4 (permalink) Old 02-25-2018, 03:19 AM Thread Starter
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Iload jerking under load and blowing black smoke

Hi Guys, My 2014 Iload Diesel has this problem...

when im driving casually 1800-2000rpm the van hunts, its hard to explain but its a bit like your just tapping the accelerator or tapping the brake as your driving. more noticeable under a little bit of load.
If I put my foot down its stops jumping but blows a huge amount of black exhaust smoke.

Ive run through some injector cleaner to see if this helps, but nothing.
Searching this forum I have seen other responses
like a split hose?
Injectors?
EGR?

If anyone has pictures or where I might start looking would be very grateful
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post #2 of 4 (permalink) Old 03-03-2018, 12:54 PM
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I'm not an XL-7 specialist so I can just answer some common diesel sense ;-)

Do you drive often at those RPM's? Good change there is a lot of dirt in the engine: what you could do is trying to drive higher RPM's. If a engine has a lot of torque it is nice almost to idle while driving, but than you should now and than drive some km at high RPM's (just go almost in red) to clean the engine. In combination with a good cleaner is even better. If you can find Protec diesel cleaner or Forté you have good stuf. ( I prefer the Protec).
Cleaning the EGR does not harm anyway.

A diesel has to work! The new driving is no-good for the engine.
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post #3 of 4 (permalink) Old 04-13-2018, 05:48 PM
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G'day mate I have the same problem but my vehicle jerks like mad in forth gear. Lack of power on and off at any other time, new engine and turbo fitted and still have the problem.
Would like to know how to clean or change the egr valve as I think this is the problem or the throttle sensor. Any help anyone could advise would be great as the vehicle is otherwise ok
Cheers
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post #4 of 4 (permalink) Old 03-21-2019, 10:41 AM
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I had the same problem with my 2011 Iload. Looked for leaks on the manifold and found that the intercooler was blown, both sides of the inlet manifold. Got one form a wrecker’s yard which by the way looked like it had been changed recently (lucky me). It feels like a different Iload!! No more smoke, a lot more power, and so far looks like at least 25-50% better fuel economy. It was really easy to change, took me about one hour to dismount and another one to mount back the “new” one. Just need a screw driver and a socket I think 9 or 10 mm.
I hope this helps.
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