Question about Hyundai Elantra

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<!-- from fixya rte -->Elantra 2007 crdi heavy black smoke - Elantra Hyundai Cars & Trucks

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Go URGENTLY to an Hyundai auto repair shop, since black smoke means Turbo problems...

Posted on Nov 18, 2014

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Posted on Jan 02, 2017

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dmsr63
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SOURCE: my accent crdi engine was over hauled recently but

Black smoke is from too much fuel. Possible coolant sensor problem??? You can have this tested quickly with a live data scanner from a mechanic.

Posted on Aug 25, 2011

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Accent crdi diseal car gives a basic problem of not starting in morning,bad...


accent crdi diseal car gives a basic problem of not starting in morning,bad miladge,black smoke,pickup.as daily problem of these i found an easy way to by servising injectar at 50000 km to solve these problem

on Aug 02, 2010 | Hyundai Accent Cars & Trucks

1 Answer

2012 elantra, white smoke and loss of power during heavy acceleration, pinging noise in valves. Does not seem to be losing any coolant


pinging ( detonation) is from lean mixture ( white smoke)( heated oxygen sensor/s in the exhaust manifold /s), incorrect ignition timing
The lack of power could be a valve timing problem from the advance mechanism being faulty
best to have the fault codes read to determine the problem area first

Nov 06, 2017 | Cars & Trucks

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2007 kia carens 2.0 crdi seems to be syphoning the oil from the sump and burning out of the exhaust as blue smoke, also loosing power up hill


has this engine had a re-ring/rebuild lately
how many miles has it done
has it been overheated at any time lately
have you run the fault codes at all
to get some sort of reasonable answer to your statement then re-ask the question and include all the information

Aug 31, 2015 | Kia Cars & Trucks

1 Answer

Hyundai Accent CRDI. The car is perfect in cold conditions with less smoke and regular pick up. However post the engine heating up, with AC on pick drops by 70% with heavy black smoke.


Bad coolant temp sensor. This part takes the place of old style choke, and when bad ECM doesn't know engine has warmed up so fuel mix stays too rich.

Jun 22, 2015 | AC Cars & Trucks

1 Answer

2006 HYUNDAI Elantra develops heavy black smoke and low pulling power runs 147198kms. Please supply the causes


the cause of the heavy black smoke is un-burnt fuel. is from excessive fuel pressure, faulty injectors,ignition timing out. If it is a turbo operation then the turbo is not producing the correct boost for the fuel settings . Check turbo for vane actuation . low power comes from overfuelling, low air flow. run the fault codes to see which sensors are out of parameter.

Nov 18, 2014 | Hyundai Elantra Cars & Trucks

1 Answer

I have 2005 hyundai accent crdi .it has run145000. It gives starting trouble during first start.


Check the glow plugs but it sounds like the injectors and pump needs to be serviced.

Mar 23, 2014 | Hyundai Accent Cars & Trucks

1 Answer

Black smoke and bad fuel consumption what is the problem? Oh it an 07is volvo s40 20d


Hi there:Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Another term for excess fuel is "running rich." Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm. Excess fuel will usually effect engine performance, reduce fuel economy, and produce a fuel odor.
How did the fuel get into the cylinder in the first place? Some of the causes of excess fuel are a carburetor that is out of adjustment, a faulty fuel pump, a leaky fuel injector, or a faulty engine computer or computer sensor. If black smoke is present, check the engine oil as in the white smoke example to make sure excess fuel has not contaminated it. Do not start the engine if a heavy, raw fuel smell can be detected in the engine oil. Call your mechanic and advise him of what you have found.
Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.
Thank you for using FixYa.

Mar 04, 2012 | 2007 Volvo S40 2.4i Sedan

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My accent crdi engine was over hauled recently but severe black smoke was coming when accelerated what to do


Black smoke is from too much fuel. Possible coolant sensor problem??? You can have this tested quickly with a live data scanner from a mechanic.

Aug 25, 2011 | 2003 Hyundai Accent

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