Question about 1994 Ford Ranger Supercab
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Posted on Jan 02, 2017
Go to your local auto parts store and look for a chiltons or haynes repair manual for your make and model of car. 2000 daewoo nubria. They might already have one open and available for your reference, otherwise its probably $20.00 for one. Do a search online in a forum specifically for daewoos. there might be someone else that has this info available.
Posted on Feb 27, 2009
I dont think it is the PCV but its a good idea to replace the PCV at least once a year either way, and its very cheap, usually $2-$5 at autozone.
Posted on Mar 31, 2009
SOURCE: 3.8engine using oil 1 qt week
Your pcv system is designed to handle normal amounts of internal crankcase pressures. If your rings are a bit worn, you will have higher internal pressure that can and will drive oil out through pcv or sometimes even the dipstick tube. This wear can be detected by doing a cylinder leakdown test (air is blown into each cylinder and the amount of pressure drop is measured) . If leakdown is greater than normal, you will then need to decide if it is worth it to do a ring replacement (major job), drive it as is and perhaps use a heavier oil, or sell it. If your engine uses any other venting for the crankcase, make sure that is not plugged up (I don't remember seeing anything lkie that on your engine though)
Posted on Apr 10, 2009
There are a number of things that can cause this condition. First, be sure the engine is properly tuned-up. Have the spark plug and plug wires been replaced? Distributor cap and rotor, fuel filter and oxygen sensor? Then scan PCM (computer) for fault codes. This will tell you if any engine control components have failed. Also check for vacuum leaks or bad vacuum hoses.
Posted on May 27, 2009
Remove and plug the PCV valve hose with bolt to check and see if this is the issue, many times the crankcase is not venting properly and the PCV valve needs replacment it is inexpensive enough just replace the PCV valve located on one of the valve covers it has a hose going to it.
Posted on Sep 06, 2009
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The most common cause of blue exhaust smoke is oil leaking past engine seals and into the cylinders where it then mixes and burns with the fuel. This is most frequently seen in older or high mileage cars with worn seals and gaskets. It only requires a very small amount of oil leaking into the cylinders to cause excessive blue exhaust smoke.
Blue exhaust smoke only at start-up can indicate worn piston seals or damaged or worn valve guides which may also cause a rattling noise. An external engine oil leak can drip onto hot engine and exhaust parts causing what appears to be blue exhaust smoke. Other possible causes of blue exhaust smoke include: piston wear, worn valve seals, a dirty or non-functioning PCV valve, worn piston rings, an intake manifold gasket leak, worn engine oil seals and possibly even head gasket failure.
Oil leaking into the cylinders can cause a rough idle, misfire and fouled spark plugs. In addition, a reduction in power and oil loss can be indicators that the blue exhaust smoke is caused by an internal engine oil leak. Internal engine oil leaks can also allow fuel to mix with the oil in the crankcase which will degrade the oil and prevent it from adequately protecting the engine.
Operating a car with a severely dirty oil filter, air filter or improperly functioning PCV valve can also sometimes result in engine oil blow-by, oil loss and blue exhaust smoke. Periodically checking the engine oil level with the oil dip stick will indicate if there is excessive oil consumption. Higher viscosity engine oil can sometimes temporarily reduce the amount of blow-by; however, this is not generally recommended. Excessive blue exhaust smoke indicates a possible internal engine oil leak that should be inspected by an ASE certified mechanic.
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