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Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

Hummer h3 stalls only when stopping and engine is warm

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Old Aug 11, 2023 | 10:27 AM
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Disel's Avatar
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Joined: Jan 2023
Posts: 133
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Originally Posted by wmsdas
I was wondering if you found out what was causing this issue? My 07 is doing the same thing. Stalling at stoplights after the motor has warmed up.
Check intake manifold pressure. Change (clean) the MAP sensor.
 
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