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2004 Sierra 4.8 stalling when approaching stops
The title says it. The truck starts fine and runs smooth as glass. It sat for about a year, then started right up with no problem and ran about 4 tanks of fuel through it. One day, out of the blue, it started stalling as I would approach stops. Once it stalls, I can turn the key and it will start right back up without issue, but will continue stalling if I don't keep the RPMs up.
It has thrown a catalytic converter code a couple of times, but currently there are no codes.
Has anybody dealt with this and know the answer?
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2000 Olds Bravada 4.3w, 215,000 (May 09)
2005 Yamaha Vmax 1200cc, 23,500 (May 09)
2004 GMC Sierra 1/2ton 4.8"V", 70,000 (May 09)
1983 Kawasaki LTD KZ750-K1 750 in-line twin 22,000 (June 09)
Although I don't have much automotive knowledge to offer in return for all the help I get from these forums, I am a master electrician, so if anyone needs electrical advice I would consider it my rent here to share. Just PM me.
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