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4d56 Mitsubishi engine hard starting, no idle, white smoke occur in exhaust manifold

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  • Contributor
  • 12 Answers

Blown head. Probably from timing belt

Posted on Nov 14, 2014

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Posted on Jan 02, 2017

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Ajkill
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SOURCE: White smoke exhaust

White smoke is caused by coolant or water coming out the tail pipe. There is a chance that the white smoke was caused by water splashing up from a puddle onto the exhaust pipe. Keep an eye on the coolant level in the radiator in any event. If its less then there leak coolant leak in the car engine which is causing this problem....

Posted on Oct 19, 2008

  • 19 Answers

SOURCE: white smoke blowing out of exhaust?

black smoke is fuel white smoke is oil. change your spark plugs to a hotter plug and run with some hpr 50 engine oil or somrthing nice and thick

Posted on Oct 18, 2009

kapishtech
  • 2272 Answers

SOURCE: White smoke coming out of the exhaust when starting the engine?

Its the problem of oil.The oil is getting burned out. The vehicle is either burning oil or it is moisture in the gas chamber if you notice white smoke from the exhaust. This is a common possibility.but in some cases this white smoke is not due to oil burning.In that case   White smoke from the exhaust is a symptom of coolant entering the combustion chamber. Normally this is a sign of a blown head gasket or cracked head. And  this is not a common problem must be repaired immediately. You must STOP driving this vehicle or you will cause serious engine damage. you will have to get both this possibilities checked.
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Posted on May 20, 2010

  • 5 Answers

SOURCE: Suzuki Vitara V6, MAF sensor, white smoke.

i have a simialer problem but i was getting neat fuel out the exhaust as well . i removed the engine because id got a replacement then stripped the old one and as i thought it was a valve timing problem.looking at the engine from the front the cams on the left bank had jumped one tooth out of time so fuel was not being burnt and coming straight through the exhaust.strangely it didnt seem to have a big missfire and idling and smoke got worse when warm.

Posted on Jun 06, 2010

  • 11800 Answers

SOURCE: My isuzu 4JA1 engine tends to exhaust white smoke

White smoke means that you have a coolant leak. Two possible causes for that - either the head gasket is punctured and must be replaced or the head itself is damaged and must be welded by an expert. 
Either way the engine must be dismantled to make a full diagnose and repair.

Posted on Aug 02, 2010

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1 Answer

Mitsubishi Fuso Truck engine model 6M70 Intermittent opening and closing of exhaust valve.


this is an exhaust brake truck where the brake is in the exhaust manifold
the brake valve is actuated through a solenoid that controls the air pressure to the valve cylinder or the electric solenoid for the valve
it is operated either by the driver through a switch on the steering column or by a switch at the accelerator pedal where when the exhaust brake is switched on then with the accelerator pedal in the idle position it activates the actuator
there the problem will be in the switch at the base of the accelerator pedal, the switch in the dash or in the actuator itself

Sep 04, 2015 | Mitsubishi Cars & Trucks

1 Answer

I have a 1997 gmc sierra 5.7 vortec, just changed plugs and wires, now it hiccups at idle, And excessive white smoke and gas smellout the exhaust any ideas?


If you have white smoke out the tail pipe you have a problem with antifreeze entering the fuel system and burning with the fuel .
You see the white smoke isn't smoke its steam from the water in the antifreeze .
Witch leaves with 1 of 2 problems head gasket or intake manifold gasket .
Being that its a chevy engine I would say its the intake manifold they have had a problem with this disgin for over 30 years not enough bolts to much glue .
Over heat this engine once the glue melts and it starts leaking because of the pressure .
The bigger problem you have is if you run this engine the antifreeze will get behind the pistion rings any wreck the engine in under a month.
So do something quickly if you want to save it
Good luck

May 12, 2015 | 1997 GMC Sierra

3 Answers

Volvo 850 smoke coming from exhaust manifold


Not to worry. Run the engine up to operating temp before jumping to conclusions and let the heat burn off any excess oil. A leaf will not do any damage.Do not let the engine overheat while idling and if the oil light comes on switch off immediately.
The smoke from the exhaust is oil deposited by oily assembly hands just burning off. It should dissipate after about 15 minutes at most.(or 5 miles' drive)

Jun 07, 2010 | 1994 Volvo 850

2 Answers

4d56 Pajero Turbo Diesel, blow's alot of smoke under load. Replaced airfilter and using injector additive atm. Still blows a heap of smoke.


If your car is fitted with Manifold Air Pressure sensor (MAP) check that is operating OK. Sometimes if this is as at fault it can send the wrong signal that the engine is running lean and the engine computer (ECU) in turn compensates by injecting extra fuel. The clouds of smoke are unburnt fuel so not only does it look bad but it is wasteful/costly. The fault on a MAP can evolve slowly and therefore evades the computer diagnostics check for some while before being picked up. Also on the list of things to look at are:- 1) the mass air sensor on the air filter ducting 2) the EGR exhaust gas recirculation valve (perhaps needs a thorough clean) 3) the differential pressure feedback exhaust (DFPE) sensor - lies upstream of the EGR but if faulty can combine to lead to errors in fuel injection quantities.

May 25, 2010 | 1988 Mitsubishi Pickup

2 Answers

Mitsubishi 4D56 engine will not start. Blows fumes into top pan. Behaves like the exhaust and intake are interchanged. Engine turns in the right direction when cranked. Timing is in tact.


Turning in the right direction,does not mean it is in time,have this checked,but check the e g r valve to see if it is stuck open,if not,the valves may be stuck open,or out of time.

Mar 03, 2010 | 1988 Mitsubishi Pickup

3 Answers

1999 mitsubishi montero sport white smoke


the weakest link from water entering engine is intake manifold losing its torque. their are four water ports right next to valve ports. two in front two at rear of intake manifold. they warp fairly easy.so check before re installing

Jan 02, 2010 | 1999 Mitsubishi Montero Sport

1 Answer

WHITE SMOKE FROM EXHAUST. SPUDDER WHEN DRIVING


White smoke indicates water is entering the combustion chambers--look for leaking head gaskets, intake manifold gaskets or cracks in the heads, intake manifold, or block. this type of problem usually occurs after severe overheating of the engine. Probably, this is not what you wanted to hear, but----!! Good luck.

Dec 19, 2009 | 2000 Jeep Grand Cherokee

2 Answers

Suzuki Vitara V6, MAF sensor, white smoke.


Hi:
My first thoughts are that you have a head gasket or intake manifold gasket failure. This is why you have the white smoke. If you run it too long, your catalytic converter will be destroyed. Check for coolant in your oil too.

Dec 01, 2009 | 1999 Suzuki Vitara

2 Answers

Heap of white smoke on startup but not always


White smoke usually occurs when there is not enough heat to burn the fuel. The unburned fuel particles go out the tailpipe and typically produce a rich fuel smell. It's not unusual to see white smoke in the exhaust during cold weather until the engine warms up.

Faulty glow plugs or control module can cause white smoke on engine start up.

Low engine cranking speed may also produce white smoke.

If white smoke is still visible after the engine has warmed up, the engine may have one or more bad injectors, retarded injection timing or a worn injection pump.

Low compression or air in the fuel system can also be a source of white smoke.

May 20, 2009 | 1992 Daihatsu Charade

1 Answer

Reinstallation of cylinder head on 4d56 deisel engine


Suspect cam timing or injection pump timing is a tooth off causing problem.

Mar 31, 2009 | 1988 Mitsubishi Pickup

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