Question about 2010 Chevrolet Silverado 1500

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Rough start Starts hard and puffs black smoke when cold pls help

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It is getting extra fuel during cranking suggest to test the fuel pressure regulator it has a small tube on it if gas is in it then the diaphragm is ruptured.

Posted on Apr 19, 2014

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Posted on Jan 02, 2017

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My Chevrolet Astro Van 1998 is exhausting BLACK SMOKE on starting. What could be the cause and solution. PLS HELP


Well over here in ireland when this happens it usually means that you engine need ti be cleaned.
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The other way is to get it out on the motorway and drive it extremely hard till you see a puff of smoke from it then it will take off very fast which means it is cleaned out.

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1988 v8 318 4x4 ram charger starts and runs rough then puffs white smoke out of throttle body and dies what could cause this


Have you checked youre water level? White smoke can indicate water. May be headgasket. I would also dble check valv clearances and timing for tge rough running. 180° out of timing may be the rough running too.Just go through top to bottom your work. could be wires not in correct position.

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2010 Chevy silverado starts hard and puffs smoke when cold


Black smoke is too much fuel. My guess would be that there is an injector that is stuck open draining the pressurized fuel into a cylinder or several cylinders. And that is a considerable amount of fuel. And it would account for the hard start because there isn't any fuel being pumped into the other injectors until the pump builds the pressure back up.

Apr 19, 2014 | 2010 Chevrolet Silverado 1500

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My 1979 buick reagal runs rugh when is hot




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
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Rough idle, staling and Erratic shifting?

http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html

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Its a hot start issue.

Can be related to low fuel pressure or problem with crank sensor.


Also it can be weak battery or starter.


But possibilities are to be inspected to confirm what exactly it is.------


To troubleshoot and confirm the issue,i suggest you refer few solved help links with similar types of problem like yours:------


Click the link below:------


1991 Toyota Trecel: Engine Starts fine but dies when gets Warm?

http://whatisbyme.blogspot.in/2012/05/1991-toyota-trecel-engine-starts-fine.html

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1994 Toyota Pickup: Starts fine but dies in few seconds?


http://howtobyme.blogspot.in/2012/05/1994-toyota-pickup-starts-fine-but-dies.html

------------

1995 Lexus LS400: Running Hot?

http://whatisbyme.blogspot.in/2012/05/1995-lexus-ls400-running-hot.html

------------

2002 Toyota Camry: Puff of Blue or White Smoke while Starting?

http://whatisbyme.blogspot.in/2012/05/2002-toyota-camry-puff-of-blue-or-white.html

------------

Multiple problems on car: Car runs hot, A/C blows hot and car starts surging?

http://schematicsdiagram.blogspot.in/2012/04/multiple-problems-on-car-car-runs-hotac.html

--------------

Delay starting on Toyota Prius?


http://schematicsdiagram.blogspot.in/2012/02/delay-starting-on-toyota-prius.html

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Honda car will not start intermittently?

http://technoanswers.blogspot.in/2012/02/honda-car-will-not-start-intermittently.html

--------------

Vehicle Starts, Runs and Loses Power

http://whoisbyme.blogspot.in/2012/07/vehicle-startsruns-and-loses-power.html

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Intermittent starting issues on Volvo 760?

http://schematicsdiagram.blogspot.in/2012/02/intermittent-starting-issues-on-volvo.html

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Car starts and cuts off immediately?

http://repairhelpcenter.blogspot.com/2012/01/car-starts-and-cuts-off-immediately.html

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Car won't start when cold?

http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-when-cold.html

===========

These details will help.

Thanks.

Dec 04, 2012 | Cars & Trucks

1 Answer

97 f250 5.8L starts to run rough and puffs out thick black smoke. It comes and goes. Any ideas?


Exhaust problems. Black smoke=exhaust, blue smoke=oil, white smoke=water.

Aug 05, 2010 | 1997 Ford F250 SuperCab

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It starts and runs fine maybe idles a little rough when you go to restart when hot or cold it stumbles and has a hard time getting a stable idle .


Sound to me like a bad EGR valve. Do you see black smoke if you try to give it gas whaen its stumbling?

Mar 08, 2010 | 1997 Chevrolet Tahoe

1 Answer

1989 chevy 350 automatic, white smoke


white smoke is antifreeze try checking the compression

Nov 08, 2008 | 1989 Chevrolet C1500

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