grumpy66
Jeeper
Can't sing, can't dance, too fat to fly!
Posts: 230 
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Post by grumpy66 on Apr 24, 2015 15:58:50 GMT -4
anyone ever had any experience with these codes, 1252- vacuum pump control crk and 0021- brake booster performance. The vacuum pump does not appear to be working but when the scanner is plugged in, can be turned on with the scanner. The fuses are all good, the vacuum pump does run. could it be the sensor on the brake booster?
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justajeep
Moderator 
Valley - VP
Bear River, NS
Posts: 7,214
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Post by justajeep on Apr 24, 2015 16:56:58 GMT -4
I take it the sensor checks vacuum level and computer turns on pump if needed. Sensor seems like it could be the problem. Need good brakes with those 40's!
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grumpy66
Jeeper
Can't sing, can't dance, too fat to fly!
Posts: 230
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Post by grumpy66 on Apr 24, 2015 19:48:41 GMT -4
The sensor is what we're thinking. The pump works, but is not getting the signal to start. Looking at a big brake kit, any recommendations?
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