Question about 1995 GMC Sierra C1500

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How to stop a 1995 gmc from smoking blue smoke

How to stop a 1995 gmc from smoking

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Try adding some engine restorer to the oil and see what that does.Thanks for asking and I hope it helps.

Posted on Jul 21, 2010

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Posted on Jan 02, 2017

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I have a 1995 GMC sierra truck smoke when it stop at red light.


It probably smokes all the time , when moving you don't notice it > What color smoke ? White - coolant is getting in to the combustion camber , head gasket , intake manifold . Blue - oil is being burnt - rings , valve seals , Black - running rich , leaking fuel injectors . leaking fuel pressure regulator . Smokes from were , exhaust ? Engine bay etc....

May 01, 2016 | 1995 GMC Sierra C1500

1 Answer

Why does truck smokes when stop at a red light.


White smoke is coolant leaking into the cylinders, White with a blueish tint is oil burning. Black smoke is too much fuel.

May 01, 2016 | 1995 GMC Sierra

1 Answer

What's the firing order on 1988 GMC S-15 4x4 and can jumped timing cause blue smoke out of the exhaust?


Blue smoke is almost always oil in the cylinders. It's caused by bad valve seats or bad rings. Timing won't cause blue smoke.

Nov 24, 2015 | 1988 GMC S-15

1 Answer

Blue oily smoke


Is there any creamy residue in the oil or sump area?

Dec 30, 2017 | 1995 GMC Safari

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

Van is smoking blue from the tailpipe no oil on the plugs no oil either real bad miss do that sound like heads gaster is gone


Well blue smoke is almost always oil burning.
It could be rings allowing pressure into the crankcase or valve guides allowing oil to leak into the cylinders. Most of the time a leaking head gasket causes problems with the cooling system.
The engine can burn oil and not show oily spark plugs for a long time.

Jan 22, 2013 | 1995 GMC Safari

2 Answers

White smoke


White Smoke ----is just two words

Can you actually compose a sentence
& some datails ?

White smoke out the exhaust is either fuel
or coolant

Dec 17, 2012 | 1995 GMC Safari

1 Answer

My 1990 gmc k2500 sierra four wheel drive has blue smoke coming out of tail pipe and runs low on tranny fluid and i need to add 2 qts a week but there are now leaks.how am i loosing tran fluid?


Pull the vacuum line of the transmission modulator valve. If there's oil in the line, the diaphragm in the modulator valve is cracked and engine vacuum is pulling trans fluid into the engine intakee

Oct 18, 2017 | 1990 GMC Sierra

1 Answer

Excessive oil consumption. Some smoking when accelerating. No visiable external leaks. Any Idea? 1995 GMC Sierra 2500 5.7 L


excessive oil consumption and smoking is usually due to worn rings and/or valve guides in the engine. If you observe blue smoke coming out of the tailpipe, it signals a worn out engine.

If no external leaks, that's what it is. Maybe try to change the oil with a high mileage oil when changing the oil and filter.

I'm afraid, that these conditions don't get better with time.

A replacement motor, or overhaul of the present one is recommended if you cannot pass emissions tests in your area if required by law.

Nov 12, 2010 | GMC Sierra 2500HD Cars & Trucks

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