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Re: MAS code w/highflow filter?
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Originally Posted by caddie
03 4.3 silverado any one ever had this code, I have it all the time may just a bad sensor?
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Can you supply us with the Code number? Which Filter do you have? if you have K&N filter or similiar oil type filter you may just need to clean the MAS sensor with Carb&choke cleaner. Some people put on too much oil onto the filter and it sprays onto the sensor when driving. that or they do not wait until the filter completely dries.
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2000 Silverado Z71, 5.3L, K&N GenII Air Intake, Y-pipe Exhaust (no muffler), Bosch Platnium +4 plugs, 242k miles and still running.
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09-26-2007, 01:57 PM
