Question about Cars & Trucks
How do I know if it is preheating or not and where do I start, to find out where the fault is? When it finally starts the smoke is white for a while,
When you park your truk at night,the engine is warm/hot.Now its start to cool down.In doing so,condensation collects under the hood and around the cooling off engine.The condensation freezes,making everything wet,including the wires.Tht's why its hard to start in the morning.
Trick is: when engine is parked and off,place a heavy blanket over the engine,close the hood.The blanket will absorb any condensation.Just remember to remove the blanket in the morning before you start the engine.
Posted on Nov 14, 2014
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Posted on Jan 02, 2017
SOURCE: F-350 turbo-diesel hard starting
Imagine the white smoke is unburnt diesel. Anybody standing in the middle of it will be able to tell you soon enough.
Most likely culprit is that one or two of the glow plugs aren't getting hot enough. Usually just that the plugs need replacing, but worth checking first that the busbar which runs between them all is getting +12V at the appropriate stage of the process.
Posted on Jul 20, 2008
Could possibley be a coolant leak, but no guranteed, if too much fuel is being injected for the amount of air entering, diesel fuel can cause a white smoke. I would check the air filter first. Is the boost gauge working, and if so how many PSI of boost are entering the engine?
Posted on Oct 25, 2008
SOURCE: my truck blows white smoke
There are two differnt reasons for black and white smoke coming from the tail pipe.
Black smoke means fuel runs rich (car getting to much gas). Check fuel pressure/air filter.
In some cases the white smoke means car is burning oil or transmittion fluid. Have tem checked/replaced.
If you can feel a smelly smoke it can be catalytic converter.
In a worsest scenario if car blowing white smoke it can be engine coolant is getting into an engine cylinder from a bad head gasket ,or a warped/cracked head. So you need to keep your eye on coolant level and check your engine for overheat. Also might be good to check your oil for traces of coolant (on a dipstick it would be a milky substance mixture of oil and coolant).
Posted on Dec 07, 2008
SOURCE: white smoke from exhaust
The white smoke is from coolant entering the combustion chamber(s). Coolant can enter through the water passages sealed bu the head gasket. You have probably blown a head gasket. You should check your coolant level. You may have acracked head if you continue to drive it and overheat. The temp gauge only reads when exposed to coolant, not air. Take out thhe spark plugs and look them over. A white glossy apperance will indicate water in the combustion chamber. You may need to surface the head once you have it removed so that it is flat. Hope this helps.
Posted on Apr 03, 2009
If the engine is using oil then first remove the dipstick and run the engine, check to see if heavy smoke is coming out of the tube, this would indicate worn piston rings,if it is not so dense, yet you are using oil and it smokes bad from the exhaust, then its likely the valve seals are worn. either way, unless you have mechanical knowledge, tools etc , you need to take it to a mechanic for the engine repairs or live with the oil consumption. There are no quick fixes for engine wear.
Posted on Feb 25, 2010
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