1996 850R Posted January 25, 2009 Author Report Share Posted January 25, 2009 just for kicksw and giggles, have you tried two different "old" wires on that cylinder? I'm just still leaning toward weak/no spark.It was an old wire, but was working at the time.... now I'm feeling really retarded because it could be weak and I know Volvo's are touchy when it comes to caps, rotors and wires. Let me pull hair for a second...... Link to comment Share on other sites More sharing options...
MrWinkey Posted January 25, 2009 Report Share Posted January 25, 2009 Calm down and think basics..your making more work for yourself. Link to comment Share on other sites More sharing options...
MrWinkey Posted January 26, 2009 Report Share Posted January 26, 2009 OK went back and followed from the beginning again. Originally it sounded like you had it extremely flooded and it was hydralocking. Anyway your problem exists on the #5 cylinder. May I ask what distributor cap you purchased and why not a rotor? What spark plugs your using? But honestly that should not make a difference if you moved stuff around. Honestly if you have done what you said you have and your sure you have good spark to # 5 cylinder ...really the only thing left is a vacuum leak at the intake runner. When it's idling spray carb cleaner around the intake port on #5 and see if the idle changes? Link to comment Share on other sites More sharing options...
1996 850R Posted January 26, 2009 Author Report Share Posted January 26, 2009 OK went back and followed from the beginning again. Originally it sounded like you had it extremely flooded and it was hydralocking. Anyway your problem exists on the #5 cylinder. May I ask what distributor cap you purchased and why not a rotor? What spark plugs your using? But honestly that should not make a difference if you moved stuff around. Honestly if you have done what you said you have and your sure you have good spark to # 5 cylinder ...really the only thing left is a vacuum leak at the intake runner. When it's idling spray carb cleaner around the intake port on #5 and see if the idle changes?I used a cap that previously worked, also cleaned the old one and tried that.... same problem. Rotor, spark plugs new. They are Champion plugs, which I know aren't Bosch, but they should of fixed the problem if it was the plugs... right? If I can find the problem, then Bosch it will be. Will starting fluid work on the intake runner? Link to comment Share on other sites More sharing options...
MrWinkey Posted January 26, 2009 Report Share Posted January 26, 2009 I used a cap that previously worked, also cleaned the old one and tried that.... same problem. Rotor, spark plugs new. They are Champion plugs, which I know aren't Bosch, but they should of fixed the problem if it was the plugs... right? If I can find the problem, then Bosch it will be. Will starting fluid work on the intake runner?Don't recommend starting fluid. Better choices Silicone spray? WD40? Champions are fine...no Bosch plats.From your above diagonistic process ..with out being there it surley sounds like a large vacuum leak at the intake runner? Only a guess Link to comment Share on other sites More sharing options...
MrWinkey Posted January 26, 2009 Report Share Posted January 26, 2009 one final thought ....have you changed the oil? as fuel saturated as it was??? perhaps you have a dead lifter on the exhaust side. Link to comment Share on other sites More sharing options...
1996 850R Posted January 26, 2009 Author Report Share Posted January 26, 2009 one final thought ....have you changed the oil? as fuel saturated as it was??? perhaps you have a dead lifter on the exhaust side.Oil was changed. Will check for vacuum leak. Thinking it is something internal. Dead lifter sounds probable. Link to comment Share on other sites More sharing options...
MrWinkey Posted January 26, 2009 Report Share Posted January 26, 2009 If the oil was changed and you think it may be a dead lifter ... steady 2500 RPM drive for 5 to 10 minutes may correct it. Clean the plug first then drive it. Link to comment Share on other sites More sharing options...
1996 850R Posted January 26, 2009 Author Report Share Posted January 26, 2009 If the oil was changed and you think it may be a dead lifter ... steady 2500 RPM drive for 5 to 10 minutes may correct it. Clean the plug first then drive it.Drove car for a little and no improvement. Hear ticking around #5 cylinder. Sounds like a dead lifter may be the culprit. Will the Seafoam help? Link to comment Share on other sites More sharing options...
1996 850R Posted January 26, 2009 Author Report Share Posted January 26, 2009 The towel is in... walked by the gun rack.... thought twice.... kept walking and drove the car to the Volvo repairman. 45 min drive on 4 cylinders... hated every minute. Hopefully will have a verdict Monday afternoon. Link to comment Share on other sites More sharing options...
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