2003 Nissan altima white smoke from exhaust

L and have been having trouble with white (or possibly blue) smoke coming from the exhaust. It used to be very frequent, but then I discovered that there was a hole in my crankcase ventilation hose, so I replaced that along with my PCV valve, and now the vehicle only smokes on cold startups. Nissan Altima smokes more than Cheech and Chong. Anh everytime i hit the gas peddle to pass someone, it look like there extra smoke coming out.

Some white exhaust smoke is normal, especially when you first start the car. Condensation can turn to vapor, providing what looks like white exhaust. But excessive white smoke likely means coolant is leaking into the engine combustion chambers. My wife has been using to commute for work the past week, and it just started on Sunday (or I started noticing on Sunday). On startup, there is a puff of white smoke for no longer than about 3-seconds, then it goes away and all is well.

The smoke disappeared. Average repair cost is $0at 104miles. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Qwest is blowing white smoke from exhaust and. We noticed a light mist of smoke from the tile pipe in the summer time.

I called to the dealer the dealer stated that was normal. Hi, I had a quick question. A General Discussion forum for Altima owners, and a great place to introduce yourself if you are new to the NICOclub Altima Forums!

I need to change the motor because of the catalyst have enter some residue into the motor, so it take so oil like. White smoke on startup is a very good indication of a bad PCV valve. I have a problem with my nissan altima 2. Someone must be pretty new to automobiles for not checking it first. Glad you got her fixed.

When there is white smoke coming from the exhaust , it can mean a few things. There is a chance that the white smoke was caused by water splashing up from a puddle onto the exhaust pipe. Keep an eye on the coolant level in the radiator in any event. Consumer writes in regards to a reimbursement for engine expense the consumer stated the catalytic converter faile which caused damage to the engine. There was excessive smoke coming from the exhaust.

According the invoice, there was possible ring wear, and possible damage to the pistons. I suspected that my car developed problems with the exhaust system, and two Nissan dealerships confirmed that the catalytic converter is cracked. I stopped and got gas and noticed the tail pipe that exhaust fumes were barely exiting had a little smoke coming out whereas the tail pipe that good exhaust fumes were exiting, was not?

Unless it’s a very, very, very small amount of oil or your car has a high compression ratio then your white smoke is not from burning oil. I believe it is behind the heat sheild where the exhaust pipe conects to the headers. It will also shoot out a lot of white smoke from the exhaust. If it’s really col the car will just. For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio.

Coolant was boilng over, white smoke from exhaust. Hello, thank you for writing in. Several things will need to be done. Smoke coming from the exhaust indicates a problem with your car, but the color of the smoke can point you towards the correct diagnosis. Different smoke colors can be caused by the following issues: grey or black smoke can be a rich condition, white smoke can be burning coolant, blue smoke can be burning oil.

When white smoke is spewing from your exhaust , it is usually an indication that something is burning. A backyard mechanic can diagnose the problem by observing and smelling the smoke. Locating where it is coming from and accessing.