Question about 2000 Renault 181

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Bad oil loss but no oil leakage to see

Put oil in car2.5ltrs and oil all gone after two weeks, the fuel injector light is on, and it is putting out a bit of black smake through the exhaust system. run really well and no power loss, garage said i need a new engine even though the never looked at it and wanted £1800.00 and labour ontop please help

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It can be any of the following - and some more I don't know about:

1) Valve stem seals leaking, if you run against compression (eg. downhill) and then accellerates and it smokes, this is a possibility.

2) Piston Rings worn out - smokes all the time

3) PCV Valve shot - smokes all the time

4) Bad oil. NEVER MIX OILS!!!!! You can use any brand you like if it is correctly rated and tested, eg API SF/CC rated, BUT STICK TO THAT BRAND!!!! I won't recommend any specific brand- I use Shell in my car, Castrol in my truck and Mobil in my bike - so I'm not brand-specific. However, I keep to one specific oil (type and grade) per vehicle. My car has done 200000 + kilo's, my bike 145000, and my previous truck did 300000 till I sold it - all of them without any engine problems.

Go to another garage for a second opinion.

Posted on Jun 03, 2009

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