2003 Nissan Altima "smoking bad exhaust making loud" Questions

...exhaust upon acceleration throughout the day. Her mechanic has told her she needs an engine rebuild costing $1,700, however my research has pointed toward a bad gasket. Is she being taken? thanks... ...

...smoking very bad but wouldn't stay started now it won't start at all but will turn over. The engine was smoking very badly? Was any smoke coming out of the tailpipe? If not, either the exhaust ...

exhaust is puffing out smoke in intervals makes an extremely loud popping noise. the car has been off for a while and while i'm driving it when i press on the accelerator it starts making even

...bad exhaust sounding noise, but it's coming from under the hood. I just change my O2 sensor(upstream) a few months ago. The O2 sensor could have come loose, also look around the area of the O2 sensor ...

...exhaust, would valve adjustment cure problem? you can pull the valve covers and inspect the rocker arms, but you may have a bad main or rod bearing. im leaning toward the main bearing being spun, at ...

...loud sound like something is bouncing around under the hood and light gray smoke comes out the exhausted. This happened all of the sudden. I was driving it fine early and it will barely stay on now. ...

...exhaust. Lost power and steering shuddered when towing small caravan. Shudders when very warm unless you get clutch and revs just right. it looks like u have bad spark plugs, mainly when the car is ...

...exhaust puffs blue smoke and the car knocks almost like a lifter noise for about 30 seconds or so. Very loud and doesn't do it all of the time. Mechanic suggested that it is from using purolator oil ...

...bad way). I didn't drive it for a week and upon trying to start it to better diagnose the problem, it started, but wouldn't contine to run. After "gunning" the engine, the car blew white smoke from ...

If head gasket was bad wouldn't it make a loud sound The most noticeable symptoms of a blown head gasket include: loss of power, loss of coolant, and white smoke from exhaust.