The exhaust had a leak. I got it fixed and the it started blowing oil out the exhaust.
Take it back to the Repair person. Either the repair was faulty or the diagnosis was wrong and the problem was not fixed although work was done to the vehicle.
Depending on who did the repair, some Mechanics have pride in their work and do not like to be defeated by a car. Ideally you want the Repair place to be willing to complete the repair for the price you already paid.
The repair parts may have been faulty. Depending on the State you live in, some require a 30,60, or 90 Day warranty with perhaps 3000 miles. You did not say what repair was made.
Engine work for an oil leak could have been a gasket, but a warped head would either need to be milled or replaced for a new gasket to work. Valve guides can leak oil into the engine regardless of what you do to the head gasket. Likewise for oil rings on the pistons which will also be unaffected by just changing a head gasket.
You have more leverage (advantage) if the Repair facility was a Licensed garage. Complaints against the business through your State can encourage a place to fix it.
Either valve stem seals or head gasket?
Either valve stem seals or head gasket?
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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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