1999 Chevy Suburban stall/eratic rpm reverse

1999 CHEVROLET SUBURBAN
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J6
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1999 Chevy Suburban V8 190000 miles

I have a 5.3. Periodically when I put it in reverse the motor behaves eratically, often stalling. If I step on the gas it usually goes away. Thanks,
Nov 11, 2009 at 8:14 PM
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JACOBANDNICKOLAS
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Has the check engine light come on? Have you checked for vacuum leaks?
Nov 29, 2009 at 10:38 PM
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J6
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No - no check engine light is coming on. Have not checked vaccuum lines.
Nov 30, 2009 at 7:15 AM
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