Question about 1996 Nissan Sentra

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Nissan b14 rough idle, black smoke

Help!
GA 15 engine, has been rough idling initially and even cutting off sometimes, engine smokes black and has almost doubled its fuel consumption. i have chaged the throttle body, distributor coil pack, plug wires, plugs, distributor cap, condenser, ran a number of injector cleaners through the fuel, took out injectors and cleaned outer surface and nozzles, even removed the cat convertor, but problem still persists!!!

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  • banarjib3 Dec 03, 2008

    i have a b14 with a rough idle,keeps stalling, uses gas as if it is out of style.i have changed the air filter-no improvement. i am going to service the idle sensor.will keep u up to date.

  • Anonymous May 10, 2009

    GA 15 engine, has been rough idling initially and even cutting off sometimes, engine smokes black and has almost doubled its fuel consumption. i have chaged the throttle body, distributor coil pack, plug wires, plugs, distributor cap, condenser, ran a number of injector cleaners through the fuel, took out injectors and cleaned outer surface and nozzles, even removed the cat convertor, but problem still.

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I have a nissan b-14 idle roughly sometimes cut off when in traffic. any solutions???????

Posted on Dec 01, 2009

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Problem solved by changing a fuel regulator on the fuel mono rail return line.

Posted on Oct 04, 2008

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Engine heat , black smoke , high consumption of fuel , and poor pick up are the problems.

Posted on Oct 09, 2013

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Have you looked into the fuel pressure regulator?

Posted on Jul 19, 2012

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1 Answer

While driving my dashboard displayed the warning sign for oil. the oil level was correct, but still it is rough on idle and makes a lot of smoke. how may i diagnose the problem?


Bummer deal! Rough idle and black smoke indicates a possible bad fuel injector leaking gas - or failing spark plugs. Bad or dirty injectors are a cause of sticky valves, and when sticky do cause rough idle and sometimes valve tapping - beside black smoke. Check those items first as they are most common failures. Rarely, a engine head sealing gasket may leak coolant into the motor to cause such problems. That would make a white steamy smoke. In that case it would overheat - did it? In this case, serious engine work, or a new engine is needed. I like the products at this web sites to end those issues. Hope this helps. DIY fuel injector cleaners fast acting Ends several tune up problems

Nov 04, 2014 | Cars & Trucks

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Idle speed rough black smoke


More information needed, what model vehicle and what engine? Fuel injected or caburettor? That sort of info.

Terry

Nov 25, 2012 | Cars & Trucks

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NISSAN CEDRIC 2001, ENGIN STOPS WHEN PRESS BRAKE PEDDEL


There are few possibilities that can cause such problem.
I recommend you few help links related to your problem.Click the link below and follow the troubleshooting;-----Idles rough and quits when gas pedal is pressed less? http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html-----------
Brake pedal stuck? http://howtobyme.blogspot.in/2012/03/brake-pedal-stuck.html

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Car only starts when gas pedal is pressed? http://technoanswers.blogspot.com/2012/01/car-only-starts-when-gas-pedal-is.html

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Car won't start without hitting the gas pedal? http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-without-hitting-gas.html

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emits whitish bluish smoke and bad fuel smell from exhaust

http://schematicsdiagram.blogspot.com/2011/12/van-emits-whitish-bluish-smoke-and-bad.html

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White smoke and Acrid Smell? http://whoisbyme.blogspot.in/2012/07/white-smoke-and-acrid-smell.html
---------- Car stalls and throws white smoke from exhaust? http://repairhelpcenter.blogspot.com/2012/01/car-stalls-and-throws-white-smoke-from.html

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This will help.
Thanks.

Jul 20, 2012 | Cars & Trucks

1 Answer

Black smoke together with rough idle, but only sometimes


is the "service engine soon" light on?? it should be on and flashing is the car is misfiring. that means spark plug or coil is not firing. if the light is on, scan it with a scanner that you can buy at walmart in automotive section. that will cost you about $60 to buy and you have it for future problems. dealer would charge you alot more to scan. or even some autoparts stores will scan it for you for free. scanner will tell you which cylinder is not firing. start there.

Dec 04, 2011 | 1998 Nissan Maxima

1 Answer

Black smoke when i start engine, very rough idle.


sounds like possible a sensor went bad or is loosly connected. O2 sensor??? Also check the air filter. Sounds like whatever it is, is making the truck run rich----that would be the black smoke.


Hope this helps

Aug 08, 2009 | 1999 Ford Super Duty F 450

1 Answer

MY 96 Nissan Maxima has rough idle and is blowning


blown head gasket. black smoke means that oil is getting into the cylinder.

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2 Answers

Im having problems with my nissan b14. it idles rough, smokes and sometimes cuts off.please help


Check out this site Auto Specialist it has a lot of info on auto diagnosis same as your problemm.

May 10, 2009 | 1996 Nissan Sentra

1 Answer

Rough Idle, and Black exhaust smoke.


coolant temperature sensor boken, check and replace if defective.

Feb 25, 2009 | 1991 Saturn SC

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