Question about 1997 Ford F350 Crew Cab

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Just replaced high pressure oil pump still smokes bad fills like a cylinder is kind of missing too

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Is the smoke kind of white and when you check the oil does it look like milk or when you take the oil filler cap off can you see anything wrong with the way the oil looks kind of white creamy? if so you have a head gasket gone and you should change it

Posted on Aug 31, 2010

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I'm having rough idle and smoke all of a sudden with my golf mk4 The oil warning lights up in dash. Oil level ok. Spark plugs not burning well. Replace spark plugs, changed oil filter, changed


Smoke is not a good sign. Running rough is not a good sign. Oil light not a good sign. You could have a combination of bad things, most likely expensive. Suggest professional help. Smoke can be bad rings or holed piston. Low oil pressure can be bad bearing or oil pump.

Nov 04, 2014 | Volkswagen Golf Cars & Trucks

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How do I check for a blown head gasket on my 1990


Pretty much same answer as I gave for 87 Reliant see below. Shops have equipment to do cylinder leakage test. Do basic stuff below before doing last test ...cylinder leakage...which costs $$$.

Main point you are losing antifreeze/water. Check to see if you have water on the dipstick mixed in with oil. If so...probably a head gasket. If oil looks normal..... Before you do any test, tighten every hose connection. Check for loose connection into antifreeze reservoir. Sometimes there are small cracks on top which lets out pressure from cooling system. Look for leaks on water pump and radiator. Look at spot where you park the car...any liquid on floor? Not sure?..Put piece of cardboard under car to see if liquid is dripping from car. No leaks?...Start with a pressure test of the system. The pressure test is simply equipment that replace the radiator cap, a hand pump connected to it then air is pumped into cooling system. You watch the gauge to see if pressure is dropping. If pressure does not drop ..problem is most like a worn radiator pressure cap or stuck thermostat.. Do not buy the kind with button on cap to push down and release pressure. get original type and correct pressure. If overheating still, thermostat could be stuck, replace. Overheating of engine causes vapor lock, bubbles in fuel, which causes car to stall and kill. When cools off, fuel cools down and fuel will flow through fuel system again. Large amount of oil disappearing with overheating also sounds like head gasket or cracked head....Tighten up all bolts to gaskets, look for oil leaks on garage floor or driveway. If engine has developed a miss when running, pull plugs out and look for wet fouled plug. If antifreeze leaking into cylinder...plug tip will be whitish, if oil leaking into cylinder, grimey oil fouled. Do compression test on cylinder that is fouled and that will pinpoint if bad head gasket or cracked head. When doing compression test, radiator cap is removed and you listen to hear bubbles in radiator from the cylinder leaking into cooling system. 87 Reliant not worth pulling engine apart if head gasket or cracked head. Best oil treatment to reduce oil consumption is "Engine Restore" Used on my 58 Impala 348 tri power for 28 years. If I did not add it after oil changes it used oil and smoked....I swear by it for ANY engine after 100,000 miles.

Oct 19, 2014 | Cars & Trucks

1 Answer

High oil ressure and smoking.


That shop didn't fix the original problem and made it worse. They need to take care of the problem or at least refund your money for the failed repair unless you authorized them to take guesses at it. If they said that what they were doing would fix it then they're responsible for making it right.

Apr 01, 2017 | Cadillac Escalade Cars & Trucks

1 Answer

Smoking bad and bad miss and smells like gas in the oil on 1992 toyota paseo


I would look towards the fuel pump to see if there is any possibly way that it has failed and is leaking gas in to the oil. I have heard of that happening.

Another possible thing to check is ring wear, if your rings are to worn you will have blow-by which could cause gas in your oil.. Do or have done a compression test and see what your compression is. If the compression is low squirt a little oil in to the low cylinder and retest if the pressure comes up your rings are bad and that could be where your gas in your oil is coming from. If the pressure does not come up you have a bad valve. Seems to me that there should be no more then 15% max between high and low, any more then that needs to be repaired.

Nov 25, 2011 | Toyota Paseo Cars & Trucks

1 Answer

Expansion bottle filling with oil


Water ways and oil ways are never in contact with each other in normal circumstances. The usual reason for your problem is that the cylinder head gasket has failed allowing a gap in the gasket to allow water and oil to come into contact with each other. I imagine there is a high probability that there is also water in the oil (Take the oil filler cap off, you will probably find white/grey emulsified oil in the top of the cap).

Sorry to say this is pretty bad news, you probably find that the vehicle is losing power too, as one or more of the cylinders will be compromised (Symptom: Engine "Missing" misfiring on one or more cylinders). Other classic signs are excessive white smoke from the exhaust as a consequence of water and or oil getting into the combustion chambers.

This will almost certainly be the case, requiring the cylinder head to be removed and the gasket replaced. It's likely that this is the result of an overheat of the engine at some stage. If you have an aluminium head, there is also a high probablinty that the head may have warped and it may need skimming before it is re-fitted

Jul 25, 2011 | Chrysler Town & Country Cars & Trucks

1 Answer

My 91 honda civic has alot of white smoke coming out of the exhaust, and have oil on the spark plug in the #3 cylinder not sure what the problem is (bad vaulve/seal)??? one month prior to problem blew...


I'll tell you what few might be problems
Oil on spark plug could be:

1. bad cylinder rings 2. value seals
For Value Seals you will take off head again and then take off value over. Take all (Lifters or Cam) and springs off and you will see seal rings in each of values.
For cylinder rings, you will maybe need to take motor out and take head off, oil pan and rod bearing unbolts to get cylinder out to replace new rings. Or you can try do that without motor out. just take oil pan off under the car.
Try change oil with 1 qt of Lucas Oil and 4 or 5 normal oil. Best oil is Castol High Mileage
Lucas Oil should help stop leaking oil inside the cylinder. Or another kind bottle called (Stop Smoke) at auto store.

Feb 13, 2011 | 1991 Honda Civic

1 Answer

Fuel mixing in with oil


This could be many different things. The most common is a bad fuel pressure regulator or an injector sticking open.You dont say if it is missing or blowing black smoke out of the exhaust? If it is missing on one or more cylinders start bypulling the plugs and checking compression on those cylinders. unburned fuel accumulating in a cylinder with low compression can leak past the rings and dilute the oil with gasoline.

Jan 30, 2011 | 1991 Ford Explorer

1 Answer

Car smokes and engine stalls


The colour of the smoke is important and should point to the fault.It can be a faulty fuel pump, fuel injectors or it can be a bad engine with failure of the oil rings that makes the oil burn up on the cylinder.
If more fuel is consumped with smoke, it is the fault of the pump and should be calibrated.
On the other hand if there is high oil consumption, the oil level drops drastically, the oil colour blackens, then the engine is packed up , needs an overhauling with possible change of oil rings, cylinder sleeves .
Hope you take this advice. Credit if it has helped.

Aug 21, 2010 | 1992 Lexus Sc 300

2 Answers

Smoke


Hi snhinehunny1

I have read both of your problem posts and it sounds like your Sebring needs some TLC attention. In this response we'll only address the smoke and missing issues, as there is probably some connections with the other symptoms you described.

Smoke and oil consumption / oil loss are definitely related, but you need to know the difference between oil consumption, which is the burning of oil that mixes in with the air/fuel mixture, and oil loss. If your exhaust system is in good condition (no exhaust leaks at the exhaust manifold, catalytic converter, muffler and tailpipe, then consumed oil would only cause smoking from the tailpipe. This is caused by worn or defective piston oil control rings and/or worn valve guide seals, or possibly a leaking head gasket, and this condition can contribute to engine misses, as the cylinders with oil control problems receive an air/fuel mixture ratio that is thrown off by the introduction of the oil. The smoking due to consumed oil will only show up under the hood in the case of an exhaust leak.

Oil loss is the leaking of oil to the outside from around gaskets and seals, and underhood smoking is most likely due to oil escaping from around the valve covers. This oil then drips onto the hot exhaust manifold where it is burned and smokes. This type of smoking is not apparent until the engine warms up, but it is accompanied by a strong burnt oil smell AND the tale-tell oil spot on the ground under where the car is parked, and can cause engine misses by oiling spark plugs and wires to the point of breakdown.

A third possible source of the smoke is caused by compression blow-by, and blow-by is caused by weak, worn, or broken piston compression rings. When the cylinder is fired, part of the power stroke compressed gas escapes past the rings into the sealed crankcase. Modern engines are designed to operate with slight negative pressure in the crankcase, and this is done through the Positive Crankcase Ventilation (PCV) valve. This negative pressure helps keep crankcase gases controlled within the crankcase, but if an engine is blowing-by more gas than the PCV can evacuate, than the crankcase becomes pressurized, leading to oil being forced out around gasket and seals, and (possibly) oil being drawn into the intake through the PCV system, and this will also cause underhood smoke. This is usually seen in well-worn high mileage engines, and in engines that have experienced a severe overheating episode---the excessively high temperatures causes the piston rings to lose their temper (springiness --- NOT ANGER MANAGEMENT! Ha!) and consequently, their ability to form an effective seal against the cylinder wall.

In your case, I suspect that you may very well have, to some degree, all of the above conditions. A good technician / diagnostician can give you a more accurate evakuation by doing such things as a compression check and reading the spark plugs (for oil coating / caking), evaluate engine blow-by by feeling over the oil filler looking for slight suction or whether there is pressure there, and by visually inspecting around gaskets and seals for oil leaks.

The oil pump would not be involved in any of the above.

I hope this helps you figure out what the problems are, but please don't hesitate to ask if you have questions or to post further comments on this problem. And PLEASE be so kind as to rate my advice --- that is my only compensation for serving you! I will address your starting problem under that posting.

Best of luck and thank you!
-WildBill

Jun 24, 2008 | 2001 Chrysler Sebring

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