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What sensor have your car smoking - Cars & Trucks

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Be more specific with the symptoms, there are many sensors.

Posted on Nov 28, 2014

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Posted on Jan 02, 2017

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Misubishi pickup 2003 model .Over smoke ,smoke colour black .pls give me answer


black smoke is an indication that its over fueling and burning properly. check fuel pressure as too much pressure can cause excess fuel to be injected into the cylinder. also check the plugs and air filter as they may need to be replaced. check for codes as it could also be a bad temp sensor, throttle position sensor, maf/map sensor.

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I have a nissan Narvara 2006 hard starting and a black smoke coming out


Check the MAP sensor and the oxygen sensor for proper operation

Jan 24, 2014 | 1997 Nissan Pickup

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I put a 91 roadmaster in a chevy truck and now it smokes real bad then it clears up i put a map sensor on it already what else could it be?


since you've replaced the map sensor I'll assume you're dealing with black smoke. a bad coolant and/or intake air temperature sensor could create black smoke, also a bad injector could do it, especially if it's monopoint injection.

Mar 04, 2013 | 1995 Buick Roadmaster

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Ford Festiva '93 Smoky on startup


Well it has fuel injection instead of a carb, so there is no choke.
You are right in thinking the black smoke is fuel and the blue smoke is oil.
It could be a leaking fuel injector, or a problem with the engine temp sensor. The temp sensor could be telling the computer the engine is much colder than it really is.
It may have an air temp sensor too.
I don't know if you can hook up a scanner to see what the sensors are reading since the car was made in Korea by Kia Motors.

Jan 31, 2013 | Cars & Trucks

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Blowing black smoke and hesatation on accelration replaced lower and up in take gaskets maf and iac and crak postion sensor changed all the plugs it is not showing any codes now but blowing black smoke and...


NEW CRANKSHAFT POSITION SENSOR HAS TO BE REPROGRAMM.PROBLEM IS THE CRANKSHAFT SENSOR COULD HAVE INTAKE GASKET LEAK OR FUEL INJECTOR SEALS LEAKS WILL CAUSE ENGINE ROUGH IDLE SMOKE BLACK.

Sep 06, 2011 | Pontiac Bonneville Cars & Trucks

1 Answer

Keeps stalling out and smoking in back, plus it idles real high and sometimes when giving gas it doesn't seem to go.


WELL SOUND LIKE VACUUM LEAK AT INTAKE.CHECK PVC STUCK OPEN OR LEAKING HOSE AND CHECK MAP SENSOR VACUUM HOSE OR SCAN FOR MAP SENSOR SENSOR FAULT.THIS IF YOU GETTING BLACK RICH SMOKE.IF SMOKING HEAVY WHITE SMOKE YOU HAVE BLOWN HEAD GASKET.

Jul 29, 2010 | 1999 Oldsmobile Alero

1 Answer

Smoking


Smoking is caused by a few different things. First, you have to look at the color of the smoke to determine what's burning. If the smoke is blue(most common), then it's oil burning, if it's white, then it's antifreeze, and if it's black, it's unburned fuel. Blue smoke is oil escaping into the cylinder prior to ignition. On high mileage engines, the usual places are worn valve guides, where the oil runs down the valve stem and into the cylinder. On Occasion, a faulty PCV valve will cause this under certain moderate-high throttle conditions, but usually intermittently, with a sudden drop in performance. Worn Piston rings will also cause a constant blue smoke emission, another very common occurrence in high-mileage or worn engines. When you're burning oil, you will usually get excessive deposits on your spark plugs. Black smoke is a mismanagement of fuel by the car's computer and sensors. It means that it's running way too much fuel in the mixture of fuel to air, and not all of the fuel is burning. Black smoke isn't very prominent, and rarely lingers. The average person won't notice it as being out of the ordinary. Causes include faulty oxygen sensors, airflow sensor, map sensor, vacuum leak, and a myriad of other sensor issues. White smoke is caused from antifreeze leaking into the engine prior to ignition. It's usually caused from a blown head gasket or cracked head, and often is accompanied by a cylinder or two misfiring on startup. It's most prominent when you first start it up in the morning.
All of these require additional troubleshooting measures, and this is not an all-inclusive list of possible problems causing each smoke, however it should give you a good start on determining what's up with your car, as these are the most common causes. Hope this is what you were looking for.

Dec 30, 2009 | 1992 Pontiac Grand Prix

1 Answer

1986 C Lebaron turbo 4 cyl. black smoke when


Black smoke is excessive burnt fuel. White is excessive unburnt fuel. Have your turbo checked and the air filter. Good Luck

Aug 22, 2009 | 1986 Chrysler LeBaron

2 Answers

Black smoke, using alot of petrol, no loss of power, funny smell


MASS AIRFLOW SENSOR THERE ABOUT £6O WHEN THEY PLAY UP THE CAR WONT IDLE PROPERLY AND POOR RUNNING/HESITATES BEFORE IT PICKS UP AGAIN, NOT SURE ON THE BLACK SMOKE THOUGH, GOOD LUCK .

Oct 05, 2008 | 2001 Volkswagen Golf

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