Question about 1986 Pontiac 6000

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My 1986 Pontiac 6000 2.5 liter idles rough and smells like it's not burning all the gas, black smoke at times and fumes make eyes water.

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  • Pontiac Master
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Black smoke at times is a indication of a rich running condition, This is where a mechanical condition of the enigine is necessary such as the compression test

Posted on Dec 14, 2016

  • Ron Baker
    Ron Baker Dec 16, 2016

    Thank you, also stalls out on stopping sometimes and chugs. I pulled the cover off air breather and I could see a puddle of gas on top of choke while running and when accelerator applied it opened and dumped it somewhere. It seemed to run much better when breather cover was off. Also while motor running I pulled a spark plug wire off and noticed no difference in engine pitch so we pulled one more and still no noticeable diff. On a 4 cylander! No idle adjustment but what about timing?

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I would like to know what makes that the Jeep smoke after rearranging the vacuum lines is it the EVAP system on HBO or the engine vacuum lines vacuum lines


the book is free,
and real
and posted here over 300 times, search much.
all that is covered in the SM. (how to put it back as it was new)

no clues as to what the smoke is.
or where it emits from. (tail pipe end)
white smoke or black
black is rich running.
white can be burning oil and smells like burning oil (lingers)
white can be steam,aka, antifeezes burning, goes the vapors dont linger like oil smoke does and smells sweet, unlike oil smoke.

EVAP is only FUEL vent , fumes. gas fumes.
there are lots of vacuum lines
to engine
evap
brake booster
the engine hood sticker covers the majors, (smog related, )

SM , serv. man. click WK and read.

free
http://www.morris4x4center.com/knowledge-base/index.htm?utm_source=cj#service

Dec 11, 2016 | Jeep Cars & Trucks

1 Answer

Engine concern


Smoke (blue or black) or steam (white)? White smoke is really steam that is caused by water leaking onto hot surface. Could be leaking from hose running to heater coil under dash, or something else. Check radiator water level to make sure water level is ok. Blue smoke is oil burning. This could be dangerous, caused by similar scenario of oil leaking on a hot surface (from a gasket leak, etc), or exhaust fumes. Black smoke means something is actually burning and could indicate fire. Black or blue some could fill vehicle cabin with toxic fumes, even if you don't smell anything bad.

Jan 02, 2014 | 1995 Isuzu Trooper

1 Answer

1999 jeep smelling gas fumes and blows out black smoke.


burning very rich, is the check engine light lit?

Sep 08, 2012 | Jeep Cherokee Cars & Trucks

1 Answer

2000 pontiac sunfire starts only when gas pedal is held to floor, idles rough and white smoke comming to exhaust changed IAC valve..no change


If you have excessive white smoke coming from the vehicles exhaust, it sounds like your headgasket is failing. Especially having a rough idle too. Check your coolant level, does your exhaust smoke smell sweet, like Antifreeze? If so, the gasket has blown. Hope this helps...

Mar 12, 2011 | 2000 Pontiac Sunfire

1 Answer

ROUGH IDLE,WET SPARKPLUGS,KILLS


The Symptoms tell me it is a head gasket. A leaky or bad head gasket would cause all of the problems that you mentioned.

Burning water causes White Smoke, Burning Oil causes Black Smoke. The oil and water are mixing with the gas in the cylinders and causing it to run bad. Pull out the dipstick and look at the oil on it. Does it look like good oil? Or does it look watery and or foamy or grey colored. Open up the radiator and look inside, do you see oil?

This seems almost text book to me... I would have someone local to you to have a look at it to be sure.

Nov 23, 2008 | 1992 Mercedes-Benz Mercedes Benz 300 Class

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