Usually, white smoke is associated with coolant leaking into the exhaust stream, while black smoke is oil getting into the cylinders from a bad piston ring, faulty valve seals or PCV system. The Causes Of White Smoke From Exhaust Thin, wispy vapours or white smoke can sometimes be a build-up of condensation in the exhaust system. The most common reason for white smoke from the exhaust pipe that is condensed in the exhaust pipe. Steam is emitted by condensation in exhaust pipe which is seen at exhaust emission.
White smoking is caused by insufficient combustion and or incomplete burning in a cylinder. This can be caused by many things. ONE, and hopefully the one, is a bad injector where the tip has broken and the fuel is not being atomized.
The most noticeable symptom of internal coolant leakage is when the white smoke is billowing out of the exhaust pipe and leaves a sweet odor in the air. This is generally steam caused by condensation. All that white smoke coming out of the tailpipe is actually steam. As the coolant is dumped into the exhaust system, it quickly vaporizes and turns from liquid to steam and comes out of the exhaust.
As the engine warms up and the condensation dissipates the white exhaust smoke (steam) is no longer seen. If the EGR valve is stuck open it can cause no power and white smoke from fuel. The cooler is located under the intake. My bet is bad head gaskets, esp on an lly. White smoke is usually a sign of coolant making its way into the engine.
EGR Cooler Bypassed After White Smoke Thick white smoke out of the exhaust on start-up this week. Smocking for about 5-minutes and stops. To test, simply disconnect the EGR.
A bad EGR mostly causes a bad idle. You can get a tester from napa to test the coolant to see if has carbon from the exhaust in it. Ask him if the white smoke lingers in the air like smoke or dissipates like steam. EGR cooler or head gaskets.
Condensation can accumulate inside a vehicle fuel tank that is less than full, especially if it has sat for weeks or months. White Smoke - while that pesky Valve can cause an abundance of black smoke billowing from the pipes, a failing EGR Cooler actually emits white smoke , or steam, caused by evaporating coolant inside the cooler. When you see white smoke , call for help.
If there is only smoke on start up, which goes away when the truck gets warmed up, it is likely unburned fuel. An injector with stiction can cause an issue where the combustion temperatures are not high enough to completely burn the fuel. 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. I cleaned the valve but the truck put out a ton of white smoke. The EGR gas has a cooler in circuit but is bypassed when the engine is cold. Does it always give white smoke on idle?
The issue is I smell gas strong. Gas millage is horrible. There is white smoke from the exaust. Every once in a while she seems to hesitate to shift into second after take off. So if it would idle for 10min the smoke would disappear because the high temp would compensate for the lower compression.
I just had new plugs distributor and rotor put in my van and every since when I start it, a bunch of white smoke comes out it a big white clou is this the egr valve? I know I have to replace all the rubber hoses. This will cause white smoke , along with the idle issue.
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