2004 Hyundai Santa Fe brake light, surging

2004 HYUNDAI SANTA FE
80,000 MILES • 6 CYL • AWD • AUTOMATIC
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GLENNG12
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  • 1 POST
Suddenly it surges while stopped at a light, missing, but only intermittenly, Brake light comes on goes off for no apparent reason
Dec 23, 2008 at 7:15 PM
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ZACKMAN
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  • 4,202 POSTS
Two separate problems.
1. Idle surge: Check your idle air control motor and throttle position sensor. If good, check for vacuum leak.

2. Brake light: Check brake master cylinder reservoir. If low with no visible leak, raise vehicle, remove wheels, and check brake pads.
Dec 25, 2008 at 1:47 AM