Posted by greenmachineman on August 27, 2009 at 05:48:27 from (24.213.133.121):
Ok I did everything we discussed, cleaned the throttle body, cleaned the MAF very carefully, put in a new air filter, hooked the battery back up and started it up. Ran much better, idled much better, still with a little stumbling but not nearly as bad... took it for a long test drive (almost 40 mins) got back home. Like I said still some stumbling... checked codes again and all I was getting was the 12 code over and over, no other codes. Should I try cleaning the MAF better or just get a new one? Thanks again in advance.
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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