Code P0302 means... - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Code P0302 means...
Posted by Ron (more from Ron) on Mon, 13 Feb 2012 09:53:59
In Reply to: 1996 NG900 TSB #200/604140, turrboenvy, Mon, 13 Feb 2012 09:42:51
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Code P0302 means a misfire on cylinder 2. So, it could be just the spark plug, a weak coil in the DIC (also called IDM), a leaking valve, a leaking intake manifold gasket, a clogged or stuck open fuel injector, or low compression in cylinder. If it was me, I would change the plugs, and reset the code by disconnecting the battery for 10 minutes (but have your 4-digit radio code handy). If that doesn't help, swap a known good DIC - you should have a spare because they can fail anytime without warning. If that doesn't work, do a leak down test on the cylinder.... Ron
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