Why does my car blue smoke when I start it in the morning?

Why does my car blue smoke when I start it in the morning?

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. 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.

When do you get blue smoke from the exhaust?

As soon as you notice a blue smoke, determine the cause and fix it immediately. Very often, you can notice blue smoke during the morning when you start the engine for the first time. If you don’t follow proper maintenance procedures, the blue smoke from the exhaust problem is more likely to occur.

Why do I see blue smoke every morning?

Lately, every morning I see a puff of blue smoke coming from the exhaust tail pipe. During the day nothing else. What may it be? Is it bad? I want to keep that car for long time. What should I do. I need help. Thank you very munch. I have had the same with my ’96, 140,000 miles, no change for years.

What can I do about Blue Smoke on start up?

After the initial cloud which is the oil that has oozed into the valve ports the problem may still be there; just not as noticeable. The valve cover could be pulled and the valve train area inspected for oil sludging or coking. Valve seals could be replaced if desired without too much engine disassembly.

Why does my car have blue smoke coming from the intake manifold?

The PCV Valve releases the pressure which builds up in the oil pan into the intake manifold where the engine gets its air for running. The intake manifold is connected with the air filter of the engine as well. If the PCV valve gets stuck, it will keep mixing the oil with air and other gases inside the engine.

Lately, every morning I see a puff of blue smoke coming from the exhaust tail pipe. During the day nothing else. What may it be? Is it bad? I want to keep that car for long time. What should I do. I need help. Thank you very munch. I have had the same with my ’96, 140,000 miles, no change for years.

As soon as you notice a blue smoke, determine the cause and fix it immediately. Very often, you can notice blue smoke during the morning when you start the engine for the first time. If you don’t follow proper maintenance procedures, the blue smoke from the exhaust problem is more likely to occur.

After the initial cloud which is the oil that has oozed into the valve ports the problem may still be there; just not as noticeable. The valve cover could be pulled and the valve train area inspected for oil sludging or coking. Valve seals could be replaced if desired without too much engine disassembly.

Why does my truck have a blue puff at startup?

This…my truck doesn’t do it often, but if I start, move, shutdown my Redeye while its still cold, looks like a blown motor the next time I start it. You must log in or register to reply here.