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Chevy Forum: 2003 chevy tahoe check engine light on??
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Old 05-26-2009, 10:50 AM
alan g alan g is offline
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Join Date: Nov 2008
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Default 2003 chevy tahoe check engine light on??

its an 03' Chevy Tahoe with a 4.8L has 67,xxx miles

yesterday i was coming back home from a usual day at the the river. the truck was loaded with 6 big guys and an ice chest in the rear... ive had the Tahoe loaded if not with more weight before plenty of times... as i approach the on ramp fro the free way im stuck at the red light.. as i climb the over past i notice the truck was laggin in power as if it was in 4th gear or as if i was pulling a yacht behind me. then the check engine light comes on as i get on the freeway i notice at 70 mph my rpms where at 3000-3300 rpm so it appeared the truck was not going passed third gear. i pull over to the nearest gas station and checked the fluids... it had perfect amount of fluid in the trans,, i let it cool down and hop back on the freeway runs smooth again but the light is still on. i make it home with no more problems with the trans and disconnect the battery and the wait a few minutes before i reconnected again. the light went away and i havent had the problem occur again...was it a flute or a fart in the computer or something serious??? has anyone had this problem?/
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