Question about 1991 Volvo 940
My 940se 2ltr turbo has started using a lot of fuel. It used half a tank on 120 mile run the other day which was all motorway, so i have no reason to drive heavy. When coasting it was ok , but when i put the power down to overtake at around 70/75 it took forever to build up speed and there was a lot of black smoke behind the car. I have heard a little noise from the exhaust which i will get checked but i don`t know what else it can be.The car has done around 125k and has no problems starting . Any HELP will be most appreciated. Many thanks
You may have bad bearings in the turbo, explains the smoke from the oil leaking into the exauhst and the air would be leaking ALL over the place, take off the air line pointing toward rhe front of the car and reach in, you'll feel the impailer, see if it has some play in it, it shouldn't move AT ALL
Posted on Nov 15, 2008
It could be a lot of things, but (in general, not specific to this car) it sounds like a 'turbo' problem/turbo air leak. Can you also hear a high pitched whining sound, or something sounding like an high pressured air escaping? Check under the hood for hoses that may have worn through or become disconnected because of busted O-clamps.
Posted on Nov 14, 2008
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Posted on Jan 02, 2017
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