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pull the spark plugs to see if one looks different-this Posted by nicknick [Email] (#731) [Profile/Gallery] (more from nicknick) on Tue, 16 Dec 2008 19:32:03 In Reply to: '92 Saab 900s 16v non-turbo running rough, Altumdreams, Tue, 16 Dec 2008 19:05:57 Members do not see ads below this line. - Help Keep This Site Online - Signup |
will tell you if you have any sort of problem one only one cylinder. look for sooty, steam cleaned or very white. a standard compression test at this point wouldn't be bad.
otherwise, the aic valve needs to be checked. also, check thoroughly for general air leaks, and especially the bigger hose coming off the head-at the top, rear. timing check, plus a physical timing check (engine timing, not ignition) would all be on the cards for an unknown entity.best of luck, nice gift!
posted by 70.193.99...
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