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#1
11-09-2010, 04:52 PM
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Running rough when I put on the brakes
I recently started having problems with the engine running rough when I put on the brakes. It does not happen all the time but about 60 percent of the time. When I run over the speed bumps it runs ok but only when braking. I have about 80,000 miles.
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2006 Standard Cab 7 Ft bed 3.0 V6 auto 2WD 
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#2
11-09-2010, 04:58 PM
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Re: Running rough when I put on the brakes
Does it run rough at a stop, or is it only when you press the brakes?
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#3
11-09-2010, 05:45 PM
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Re: Running rough when I put on the brakes
im thinking the brake booster line off the top of my head... there is a chech valve in that line that allows it to enter but not leave... if that valve is busted or the hose has cracked the vacuum for the engine will be extremely low and will definately make your engine run rough cause the engine isn't getting the proper vacuum pressure when at idle
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2009 ford ranger Sport 4.0L V6/2 8" red hot glasspacks swept side before rear tire/2 catco high flow cats/K&N 77 series intake system/BFG all terrain 31x10.5x15 tires/Procomp 98 series rock crawler black rims/westin black sportsman brush guard/6-6'' Hella 500FF lights/black rhinoliner/Bilstein 5100 shocks/uniden 68LTW CB radio/Fx4 skid plates/cranked Tbars/autometer vaccum, Camper shell with thule roof rack/ belltech shackles/Pioneer headunit with pioneer speakers with Kicker 10'' sub
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#4
11-09-2010, 05:54 PM
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Re: Running rough when I put on the brakes
Quote:
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2001 Ranger 4x4 Stepside
-RCD Suspension lift -33x12.5 BFG KM2's on Mickey Thomson classic locks -4:56 gears -Auburn gear LS -James Duff traction bars -Headers -Flowmaster duals -SCT X-Cal2 and some small exterior mods http://www.cardomain.com/ride/2321189 2005 F-150 Lariat 4x4 -LED third brake light -Weathertech floor liners -Edge tuner
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#5
11-09-2010, 06:06 PM
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Re: Running rough when I put on the brakes
Quote:
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2006 Standard Cab 7 Ft bed 3.0 V6 auto 2WD
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#6
11-09-2010, 07:51 PM
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Re: Running rough when I put on the brakes
As the others said, check the brake booster line.
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#7
11-17-2010, 08:58 PM
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Re: Running rough when I put on the brakes
Thanks for the advice will be checking into it.
---------- Sorry to get back so late but thanks for the advice will be checking into it. ---------- Sorry to get back so late but thanks for the advice will be checking into it. ---------- Sorry to get back so late but thanks for the advice will be checking into it.
__________________
2006 Standard Cab 7 Ft bed 3.0 V6 auto 2WD
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