Question about 2002 Isuzu Axiom
I have not seen any oil leaks or smoke. You suggested an additive. What sorta of additive? I have just recently started using 10/40 instead of 5/30 oil.
I also have an pinging (like when your not getting enough gas) it only seems to do so in the warmer months and not through the winter. Would there be something I can do for that as well? My little 02 axiom has 132,000 miles and is a good car. Any advise would be helpful. Thank you.
Use 10w30 oil. The heavy oil 10w40 will cause the pinging due to the hydraulic cam advance oil valve control. It is not uncommon for these motors to use oil between changes according to the isuzu rep. Have you changed the pcv valve? How much oil is it using? reply
Posted on Aug 12, 2009
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Posted on Jan 02, 2017
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Apr 28, 2016 | Cars & Trucks
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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