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Why my 4d56 engine hard to start when warm

My 4d56 engine stall new standard piston ring, then we test drive, the engine stop after 1 hour at 90 km/h without over heating

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 20 Answers

SOURCE: 2000 hyndai accent, starts hard, wont start when engine gets warm

ask hundai if there is a main relay. These are often the cause of this kind of problem and normally reside under the dash.
This is common in Honda, Accura, toyota and huyndai.
Replace main relay or take it apart and resolder all connections.

Posted on May 08, 2009

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SOURCE: Dear Sir,

The piston rings were a good idea but not necessarily a problem. The white smoke could be from a bad head gasket, cracked head or cracked block.

Posted on Oct 03, 2009

  • 49 Answers

SOURCE: my santro stalls when it travels for a 15 to 20

maybe thermostat not opening to allow cold coolant into the engine

Posted on Apr 19, 2010

SOURCE: hard start after hot soak- 2003 accent

Have the fuel pump checked out

Posted on May 10, 2010

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My Alto VXR 2004 has a problem that its engine oil is getting lesser fast in quantity. I am using Zic A as engine oil.local car mechanic says engine weak he says gas kit and engine head problem


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what i need is ,
1: speeds driven. avg.
2: and what weight, oil , is it hot there, sure, then run 10w-40 oil.
3: how many liters of oil per miles.
some cars go for years, burning 1quart of oil per 3000 mile.s
1L/5000 km to 1L /1000 km. (new car to old)
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if the engine runs good, drive it and change oil more often.
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all engine burn oil by design. its a fact.

do an engine compression test.
2 times wide open throttle.
on a warm engine
if lower that spec, 150psi?
then add 1 teaspoon, of oil to spark hole , see if compression rises
if it does, its rings are old.
post the numbers, if all are 150 or more , drive it like you stole it.
half joking there, but drive it. and change oil often and check oil levels
every fill up or every other (depends on reality)

GASKET.
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1992 nissan maxima, hard start,runs fine until it starts puffing white smoke then its gutles as hell and wants to stall,before when i attempted to start it,it would sound like it would backfire or...


if it is puffing white smoke,you have lost a piston ring or broke it.the white smoke is coming from oil burning around the piston.your hard strating is due to the fact that you are loosing compreshion in the motor.take it into a mech.and have them run compreshion test on it.GOOD LUCK pretty spendy!

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I would recommend getting this problem properly diagnosed by a professional. Failure to fix misfire codes promptly can cause severe engine damage and destroy high-dollar parts like oxygen Sensors, catalytic converters, engine blocks and cylinder heads.

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Whats the standard fuel consumption of mitsubishi gls sport 2o1o,engine is 4d56?I think it drinks very hih in diesel?pls reply,ty!God Bless adrie of phils


Hi,

I just got mine Paj Sport, 4D56, AT, RWD. I drove only 350 km but the consumption is pretty low. On the Highway, 2000 RPM, only 6,7 liter !!!! I guess in the mix (city and highway) it will be around 10-11 liters/100 km.

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'90 900 manual starts, stalls, and can't start again


The complete loss of oil suggests that you might have a piston problem!

First, check the compression on all cylinders; all values should be within a range of 10% from highest to lowest. Typical value about 140 psi.

One cause could be a blown piston or rings, allowing pressure into the crankcase, and blowing oil out of the filler pipe - very fine and barely visible, not spouting. You might feel the pressure pulses from the damaged or leaking cylinder.

If one cylinder has zero pressure, it's more than likely the cause of the problem. Do a wet compression test (pour a little oil into the cylinder immediately before connecting the compression tester - it usually seals any leaking rings for a little while) and if it holds pressure, that points to the rings; if no pressure again, that points to the piston.

Let us know the compression test results.

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