Question about 1996 Chevrolet K1500

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1996 K1500 Chevy Z71 Silverado with 165000 miles, burns oil, but not seeing black smoke out tailpipe? No oil leaking I can see? Any ideas

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How much oil is it consuming between oil changes (5,000km)?

Posted on Sep 04, 2010

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2005 3.5l some times smokes oil then stops


Smoke oil? For what your thinking that is oil? Smoke coming from the tailpipe is not good news, but does not necessarily mean the engine needs rebuilding. First, you need to determine what color of smoke is coming from the tailpipe
* White smoke is caused by water and or antifreeze entering the cylinder, and the engine trying to burn it with the fuel. The white smoke is steam. There are special gaskets (head gaskets are the primary gaskets) that keep the antifreeze from entering the cylinder area.
* Blue smoke is caused by engine oil entering the cylinder area and being burned along with the fuel air mixture. As with the white smoke, just a small drop of oil leaking into the cylinder can produce blue smoke out the tailpipe.
* Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Another term for excess fuel is "running rich." Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm.


If you confirm us that is oil smoke, check and keep in mind that the car has many seals, gaskets, and O-rings that are designed to keep the engine oil from entering the cylinder, and one of them has failed. If too much oil leaks into the cylinder and fouls the spark plug, it will cause a misfire (engine miss) in that cylinder, and the spark plug will have to be replaced or cleaned of the oil. Using thicker weight engine oil or an oil additive designed to reduce oil leaks might help reduce the amount of oil leaking into the cylinder.

Keep us updated.

Apr 15, 2011 | 2005 Mitsubishi Diamante

2 Answers

I've changed the oxygen sensor and the O2 sensor and new plugs on my 97 dondge 3.9 van and it still blowen black smoke (rich) seems to run real good on top end but theres is a flat spot where theres no...


Black smoke indicates no air, check your air filter, if you have done that and it is ok, check the PCV valve. Thats about all that I can suggest. Hope that helps.

Dec 07, 2010 | 1996 Dodge Dakota

1 Answer

I have a 1993 chevy blazer k1500 4x4 350 5.7 truck is running too rich.I replaced the cts,trottle body,spark plugs,wires,o2 sensor and still it runs too rich sometimes you could see some black smoke from...


Back to some basics, but did you check the timing and or possible choke sticking? A little deeper (and more expensive) could be bad rings or even a leaky gasket in the intake or head.

Original motor? How many miles?

Nov 27, 2010 | 1996 Chevrolet K1500

1 Answer

2001 CHEVY SILVERADO 5.3 Z71 The truck uses 1 gal of antifreeze


check for a wet tailpipe,which might indicate a leak between water jacket & combustion chamber.i.e.headgasket.check heater hose isn't leaking onto exhaust manifold,'cooking' the anti-freeze as it leaks.

Oct 05, 2009 | 2001 Chevrolet Silverado

1 Answer

I have a 05 chevy z71 with 5.3 and 119,000 miles between oil changes I have had to put in 5 quarts of oil. it isnt leaking and no loss of power what could it be


OIL IS LEAKING BY VALVE GUIDES.BURNING WITH FUEL OR REAR MAIN SEAL LEAKING. CHECK AROUND FLYWHEEL AREA TO THE OIL PAN .ALSO IF FRONT CRANK TIMING COVER SEAL LEAKS IT WILL LEAK WILL CAR IN MOTION.OIL WILL LEAK ALONG THE HIGH WAY YOU WILL LOSE OIL THAT WAY.

Sep 14, 2009 | 2005 Chevrolet Silverado

1 Answer

Low on engine oil


Well, if there are no leaks, then it has to be piston rings or valve seals. If it's only burning a quart every 1500 miles, you would barely see any smoke, and by the standards of 20 or 30 years ago, that was normal.

Jul 30, 2009 | 2005 Chevrolet Silverado 1500HD

1 Answer

I lose coolant every 1000 miles , with no signs of leaks on the ground, my truck has 165000 miles on it. 5.3 vortec motor


Stop at rad shop & have then add dye to your coolant, then check exhaust with black light for signs. I believe intake gaskets were problematic on those too. You may want to check a dealer for any TSB's. Either way, dye test will give you an idea if it's going out the tailpipe.

Jul 20, 2009 | 1999 GMC Sierra

1 Answer

What kind of oil to us my car uses a qt every 600 to 1000 miles in between oil change change oil every 3000 miles it don't smoke or leak


5w30 is comon, sounds like its got a few km`s on it , chech tailpipe for oil deposits, it may burn but you dont see it that easy

Apr 25, 2009 | 1999 Saturn SL

2 Answers

2004 S40 Light Smoke


Most likely it is oil smoke, if the smoke is black, and the check engine warning light is on, it could be over fueling for numerous reasons.How many miles on the engine?

Nov 13, 2008 | 2004 Volvo S40

3 Answers

Black smoke from exhaust


hi nishga
im dave; hope i can help

First you need to determine if it is actually black smoke or if it is blue smoke. There are three colors of smoke that can come from the tailpipe. It is not white smoke obviously because that is easily differentiated from blue or black and generally indicates water or antifreeze leaking past the head gasket and into the compression area of the motor. White smoke is the steam of the water/antifreeze being emitted

Blue smoke is caused by engine oil entering the cylinder area and being burned along with the fuel air mixture. As with white smoke, just a small drop of oil leaking into the cylinder can produce blue smoke out the tailpipe. Blue smoke is more likely in older or higher mileage vehicles than newer cars with fewer miles. The car has many seals, gaskets, and o-rings that are designed to keep the engine oil from entering the cylinder, and one of them has failed. If too much oil leaks into the cylinder and fouls the spark plugs, it will cause a misfire(engine miss) in that cylinder, and the spark plug will have to be replaced or cleaned of the oil. Using thicker weight engine oil or an oil additive designed to reduce oil leaks might help reduce the amount of oil leaking into the cylinder.

Black smoke is caused by excess fuel that has entered the cylinder area and cannot be completely burned. Another term for excess fuel is "running rich". Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm. Excess fuel will usually effect engine performance, reduce fuel economy, and produce a heavy fuel odour in the engine compartment. Some of the causes of excess fuel are a carburetor that is out of adjustment which is not likely unless you have installed an aftermarket carburated system on your non-carburated car, a faulty fuel pump, a leaky fuel injector, or a faulty engine computer or emissions sensor. If black smoke is present, check the engine oil to make sure excess fuel has not contaminated it. Do not start the engine if a heavy, raw fuel smell can be detected in the engine oil. Check the above mentioned systems and after detecting the trouble replace the faulty parts and then the engine oil and filter.

Jul 20, 2008 | 1996 Pontiac Firebird

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