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Car Forum / Mitsubishi Cars / January 2006idle speed problem....
As you can see from the subject I have solved all my problems with engine except idle speed. My engine vibrate in idle, and I'am still dealing with it...I have new plugs, wires, air filter, timing belt is finally adjusted ok... I assume that it's result of lower compression on that 4-th cylinder, but I am not sure. Is it most common result of low compression or something else? Also I have noticed that when I disconnect injector plug from that conector engine works almost the same but when I disconnect any other injector engine stops...is that due to 'not working' injector maybe? Car is driven on natural gas and gasoline and idle speed problems are same thx in advance Tomac Year and model? Auto or manual?  Signature------------------------ All you have to do is tell them they are being attacked and denounce the Liberals for lack of patriotism and exposing the country to danger. It works the same way in any country. -- Hermann Göring, from Nuremberg Diary by G. M. Gilbert > As you can see from the subject I have solved all my problems with engine > except idle speed. My engine vibrate in idle, and I'am still dealing with [quoted text clipped - 9 lines] > thx in advance > Tomac sorry, I totally forgot... it's Lancer 1.8 16v Gti, '91, 100 kw, manual transmission > Year and model? Auto or manual? > [quoted text clipped - 15 lines] >> thx in advance >> Tomac You could bump the idle up with the idle set screw and let it be. However, I would start with a good carbon clean and hope it's just gunk on one of the 4th cylinder valves or ISC. Just get some carb cleaner and follow directions. If compression goes up, you definitely have a caked valve problem. Another simple fix it to check vacuum hoses for cracks. Pull each one off and check them completely. You'd be surprised where rubber cracks. Signature------------------------ All you have to do is tell them they are being attacked and denounce the Liberals for lack of patriotism and exposing the country to danger. It works the same way in any country. -- Hermann Göring, from Nuremberg Diary by G. M. Gilbert and now GW Bush, Dick Chaney, John Ashcroft, Condi Rice, Rush Limbaugh, Bill O'Riely, Tom Delay, and the rest of the GOP cowards. > >> As you can see from the subject I have solved all my problems with engine > >> except idle speed. My engine vibrate in idle, and I'am still dealing with [quoted text clipped - 13 lines] > >> thx in advance > >> Tomac during holidays I had progressive oil consumption, so I am prepeared for the consequences, probably it will go on some major rapair procedure...I will not know until engine is opened... I have also spotted that I have oiled air intake, when I clean that idle is better for some time but then again it starts to make troubles, engine stops when I release pedal completely > You could bump the idle up with the idle set screw and let it be. However, > I [quoted text clipped - 25 lines] >> >> thx in advance >> >> Tomac natural gas ? You mean CNG ? And not LPG propane ? Never ever seen a lancer on CNG but on LPG there is a chance for the valve /seats to burn causing vibration on both lpg and gasoline. Check the valve clearances. > natural gas ? You mean CNG ? And not LPG propane ? > Never ever seen a lancer on CNG but on LPG there is a chance for the valve > /seats to burn causing vibration on both lpg and gasoline. > Check the valve clearances. sorry, it is LPG, my mistake |
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