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Step on brake pedal and truck dies I'm about done with trucks and cars and about to use the public transportation f**

Vehicle: 2001 gmc sonoma 2.2 4 cyl flex gay

1 Answer

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HI there,

This code is for a lean fuel mixture on bank 1. Since it's happening when you step on the brake, check for vacuum leaks. It's possible there is a leak at the brake booster or somewhere along the intake. This could cause the stalling when you step on the brakes since they are vacuum operated.

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