My jetta cli 2.0 8v releases a lot of black smoke from the exhaust and it smells petrol.When I start it in the morning,the idling is not steady (it goes up and down) like somebody is revving it.they've replaced plugs,module,ignition leads, oil but the problem is still there.Can you pls help?

SOURCE: My 95 Honda Civic dx (revving up and down)

sounds like you might of blown a head or intake manifold gasket or cracked head. If it sounds like a rollercoaster going up the tracks or tractor sound. it's that. It's expensive repair. My advice if you dont know anyone cheap get another used car until you fix it or whatever your situation is. Also, it idles up and down because of the air escaping from the crack. If engine doesnt hold constant pressurethats whate happens. everything is to the T when working with vehicles. Plus redline dont matter, theres a cut off point, however because of the high rev you could of caused the over rev and blew a gasket or cracked the heads. Especially if you didnt have the proper fluids to keep the temperature down. Good Luck. Been there.

Ricardo Loranca

• 552 Answers
• Posted on Mar 29, 2009

SOURCE: exhaust blows black on ford explorer

look for a vacume leak. black smoke means it is running very rich

SOURCE: blue smoke

sorry to say blue smoke is oil and with what you've described sounds like the oil rings on the pistons have given up the ghost, time for a new engine or a rebuild sorry for the bad news. valve stem seals are the only other thing that will cause exhaust smoke but only when you first start the car never while running. hope i have been of some assistance.

SOURCE: 95 eclipse gst 2.0 smoking out exhaust, smells of

needs rings

SOURCE: freelander td4 engine smoking through the exhaust

could be your head gasket

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