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#1 |
Registered User
Join Date: May 2012
Location: South Ogden, Utah
Posts: 172
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Idle surge when applying power brakes
I was noticing that when I push on the brake pedal when idling in neutral, the RPM increases about 2-300 rpm. This was during my weekly "start it and run through the gears until it reaches operating temperature".
I haven't yet cleaned off the snow to have a look underhood but I was wondering if this is common or if someone knows what the likely fix is. I'm guessing vacuum leak. Truck is a '71 C20 with power brakes.
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'71 C/20 350/T350. |
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