Question about 1996 Chevrolet Cavalier

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1991 Ford 6cylinder

Running ruff no compression on 2 and 3 cylinder, smoking blue. Can anyone tell me what I will need to do. and what amount of money I'm looking at. We have been told that it has original miles 52,000, but has been setting in garage about 2 yrs.

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Most likey a bad head gasket between #2 and 3 cylinder. Pull the valve cover and see ifthe valves are working, and blue smoke could be valve guide seals and the valves may be stuck open.

Posted on Sep 27, 2009

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Either a blown head gasket, or needs a valve and piston ring job.

Posted on Sep 27, 2009

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1 Answer

Blue smoking


Blue skying...

Without a make, year (engine) or model...

Generally on gets blue smoke from the oil being introduced into the combustion... A simple wet / dry compression test should tell you everything you need to know about your ring (cylinder) wear.

IF EVERYTHING IS WORN EVENLY... Consider increasing the viscosity of your oil... Discuss with a MECHANIC.

Worn piston rings are the biggest concern... BUT I had a big beautiful FORD 400 V8... (1975) that had dried ... cracked and gone VALVE GUIDE OIL SEALS...

SIXTEEN simple little seals to change.

The real way to do it is remove the heads... the RISKY WAY
IS TO shoot COMPRESSED AIR into EACH cylinder ... You MUST find the TDC of each cylinder you are going to change.

HOLDS THE VALVES SHUT... (MAYBE or maybe not)... With the piston in the HIGHEST position.. you stand a REAL-GOOD-CHANCE of coaxing that valve back up ...

SO JUST DON'T DROP IT...!! do one at a time! Be careful.

Release the valve springs (if any) and place the new seals...
advance to the next cylinder's TDC... (etc.).

Put it all together again....

I'm just saying... If I could do it ... anybody can.

More Information for FEL PRO SS13364

Oct 06, 2016 | Cars & Trucks

2 Answers

Smoking no power ?


Black smoke will be an indicator that fuel is leaking into the manifold. Blue smoke means the rings are cracked or worn or there is a hole in the piston.

Oct 06, 2016 | Cars & Trucks

1 Answer

What do i do about blue smoke coming out of exhaust on a 1991 honda civic?


Blue smoke is oil being burned in the cylinders with the gas.

You need to determine:
How bad is it?
Where is it coming from?

It could be anything from not too serious to your engine is on its last legs.

On the "not too serious side" is a chance that it is bad valve seals. If this is the case, your oil consumption will likely not be high and the blue smoke will likely be mostly right when you start the engine.

On the "really bad" side, it could be the piston rings, or a cracked block or head. This would mean the fix is either an overhaull or an engine replacement. On the positive side, this is a relatively easy engine to overhaull and good used engines are readily available. 88-91 1.5L Honda Engines are interchangeable. If it is one of these, you will probably see blue smoke all the time and maybe more when accellerating. Oil consumption will likely be high (you will have to add oil often.)

Start with a compression test. Are all the cylinders about the same or is there a big variation? Do it with the engine warmed up and at normal operating temperature.

When you pull the spark plugs, for the compression test, look at each one. Do they all look about the same or is one or more fouled with oil?
You should see nothing liquid on the "business end" of the plugs and if you see oil, you have a problem..

If one cylinder has low compression, then you may want to charge the cylinder with it set to Top Dead Center (TDC) on the compression cycle with compressed air or nitrogen and listen to where it is leaking.

If it is hissing out the exhaust, it is probably an exhaust valve or seal.
If it is hissing in the block, listen where you put the oil in, then it is probably rings. If it is hissing out the tube that connects to the air filter, it is probably an intake valve or seal.

If all cylinders are low, it is likely worn out piston rings.

Another check that will help identify the problem is to squirt some oil into the spark plug hole of all 4 cylinders and recheck the compression. If it comes up significantly, it is likely rings.

Good luck. Blue smoke in the exhaust is one of the things you should always look for when buying a used car. Another simple thing is look at the air cleaner - if you see any oil in the air cleaner housing - walk away. (it is from what is called "blow-by" and means the engine is worn out). Take a look at the dipstick at see if the oil looks like oil and has no milky or foamy look and does not have a strong burned smell to it. When the engine is running and warmed up, look at the coolant container. Are there air bubbles coming up? Yes means blown head gasket or cracked block. Also look for oil mixed with the coolant (same thing). There are a number of easy checks you can make that can save you from buying someone else's expensive problems. (or at least know what you are getting)

Blue smoke in the exhaust is always a bad thing, but not always a catastrophic thing. If it is a small leak from a valve seal, and gives you a little blue smoke at startup, you may be able to ignore it for many tens of thousands of miles. If you see a lot of blue smoke and all the time, expect the spark plugs to foul out soon, and the car may not even start in cold weather. Also expect to add a lot of oil or else have the engine run out and self destruct. If the oil light comes on (and the temperature starts to go up quickly) the engine bearings are starved for oil and it is about to become a boat anchor.

Jun 02, 2014 | 1991 Honda Civic

2 Answers

My ford bantam has blue smoke from the exhoust what does this mean


blue smoke from any internal combustion engine indicates it's burning oil along with the air/fuel mixture........this can be caused by gaskets or seals. in higher mileage engines it can be caused by worn internal parts

Apr 21, 2014 | Ford Bantam Cars & Trucks

1 Answer

My 1996 explorer is running a little ruff and blue smoke is coming out the muffler


Blue smoke is oil, Thats either valve seals or rings, The miss is likely to to the oil fouling the spark plugs

Jun 08, 2010 | 1996 Ford Explorer

1 Answer

My 1996 explorer is running a little ruff smoking blue


How many miles....?
First check engine oil label. after that check the pcv valve. could be open all time.

Mar 24, 2010 | 1996 Ford Explorer

1 Answer

My 1999 turbo diesel escort has got a fuel prob iv changed the fuel filter,and it still juders,trys to stoll and blue smoke comes from the exhaust iv also added a injector cleaner to the fuel. please help


Sounds like the turbo seal is leaking just from the symptoms but the blue smoke can also be valve guides or valve seats. It can also be the piston rings that have seized to the piston body.

It is time to save yourself a $75.00 shop charge and buy a compression tester. (make sure you have the Diesel compression test adapter also) Then check the compression on all cylinders. If the compression is good then your looking at either turbo or cylinder head repairs. The blue smoke is telling you it is time to do something as it will be sitting on the sidelines come the next SMOG test.

Feb 15, 2010 | 1999 Ford Escort

2 Answers

White smoke from tailpipe, running poorly.


Blown head gasket for sure if its a petrol engine.

If its diesel then its overfuelling.

Jan 13, 2010 | 1994 Plymouth Voyager

1 Answer

92 Camry with smoke and "shuttering"


Blue smoke means oil is being burned
do a compression check

May 02, 2009 | 1991 Toyota Camry

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

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