My 2004 nissan sentra 1.8S some time accelrated instead of stopping when I applied brake

Asked by p21Parikh May 10, 2013 at 03:17 PM about the 2004 Nissan Sentra 1.8 S

Question type: Maintenance & Repair

My 2004 nissan sentra 1.8S  some time accelrated instead of stopping when I applied brake

1 Answer

176,035

Check the vacuum line going to the brake booster. When you step on the brake, the brakes use vacuum in the booster. That drops the amount of vacuum in the engine. If the hose has a leak, the vacuum drop would effectively richen the fuel mixture.

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