rpm change when brakes a pushed.

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09-20-2012, 05:50 PM

89 3.0 yota

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rpm change when brakes a pushed.

what do I need to do to fix this problem. When you push the brake pedal the rpms go up and down. Thanks.

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09-20-2012, 06:19 PM

youngtoyotatech

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look over yout brake booster

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09-20-2012, 06:28 PM

89 3.0 yota

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what am I looking for. Like a vac line or what. Thanks.

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09-20-2012, 06:42 PM

rworegon

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Vacuum leak.....split line.....loose line.

Grab a copy of a FSM from the link in my sig and it will have the testing procedures.

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09-20-2012, 06:42 PM

youngtoyotatech

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Vacuum line, check valve, check booster operation.

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