u13turbo Posted April 25, 2011 Share Posted April 25, 2011 Hey guys, mate bought a terrano with td27t, and on a cold start up it has a rough idle and blows a bit of smoke, got a comp test and these are results 420 400 320 420 So my guess would be when its cold cyl 3 isnt getting any compression, and letting a bit of oil past the rings to burn? If so, is there an additive to thicken the oil to prevent that? Cheers Link to comment Share on other sites More sharing options...
Channel595 Posted April 25, 2011 Share Posted April 25, 2011 It has a weak cylinder, but still has some compression. Rough idle and smoke is normal on diesel engines but with that one weak cylinder it will make a rough engine as long as that is the only problem. Link to comment Share on other sites More sharing options...
u13turbo Posted April 25, 2011 Author Share Posted April 25, 2011 It has a weak cylinder, but still has some compression. Rough idle and smoke is normal on diesel engines but with that one weak cylinder it will make a rough engine as long as that is the only problem. Yeah but the rough idle im talking about isnt normal, and its goes away after about 1 minute, i think its after the rings expand in some heat? Link to comment Share on other sites More sharing options...
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