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1997gcmw4 npr diesel motor, vacum light,brake and battery light stay on in the dash, blow by hose blows excessive white smoke,

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Check out the wirings and the fuse in the main contol module .it must be short there or blown fuse.

Posted on Feb 14, 2009

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Bmw x5 2005 sport diesel Had the turbo replaced as it was blowing smoke.still blowing smoke mainly when slow down or stop when going smoke disappears but not fully anyhelp would appreciated


Then the conclusion I would see is the engine is burning oil or the fuel injection is the source of the smoke (excessive fuel) or the new or rebuilt turbo is defective.

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Diesel engines smoke when under a heavy load. Unlike a gas engines, a diesel engine uses fuel that is more like an oil.Smoking is a good indication the fuel is not completly burning because of loaded engine spee. White smoke indicates the fuel is not ignitingefficiently. Truck, boats, tanks abd anything else using diesel fuel will smoke when it gets more fuel than it can use.. Easing up on the throttle will lessen the smoke but not eliminate.. Of coarse if the demand is lessened by applying less loadyhe fuel consumption drops.Not to worry as long as the smoke doesn't attract the EPA.

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Why is my Toyota Landcruiser 1HZ motore missing and blowing white smoke?


Air leak in the fuel line? All the lines are pressurised to some degree.
Do you mean it was sucking air on the tank to pump side?
Because its a diesel and you have white smoke and a misfire you need specialist help to identify which injector is playing up. White smoke is usually excess fuel or incomplete firing on that cylinder. Toyota lumps are very reliable so get some help, a good diesel mechanic would have a clip on tester that would check each cylinder.
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F450 2011 DRW diesel - check brake system light comes on 3 minutes after crank. Once light comes on no power to dash lights, power windows, sunroof, seats, or mirrors.


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I have a 99 gmc sanoma there is a vacume leak some wears there is a vacume line running throu the driver side finder well and i dont know wear it goes


Have an assistant blow cigarette smoke in the end of the line and look for the leak under the dash,
Thinking that goes either to the brake light switch or the heater control

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2002 duramax smokes at stop sometimes ,also blows some only when taking off. doesn't use oil.


if this is a diesel motor nothing is wrong this is normal for a diesel

if it not a diesel what color smoke is it blowing???

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I have a 1988 ford 250 with a 7.3 diesel and it


Maybe just that the motor is cold or there is moisture in the carbie
Diesles usually smoke when you first turn them on and let them idle

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Having issues with my 1986 Ford 250 Diesel blowing excessive white smoke.


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2004 ford diesel blows white smoke. and drops of


look for block return lines- air leak in suction lines -block fuel line or filter - defective injection pump -inoperative glow plugs.

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White smoke?


It's just condensation. Water will also drip from the pipe.

The colder it is, the worse the 'smoke' will be. I was in Vernal, Utah earlier this week, drove through -18*F weather, my truck never quit blowing white smoke.

And NO IT IS NOT YOUR HEADGASKET

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