Last post on Oct 06, 2013 at 5:03 PM
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Ford Focus, Electrical, Engine, Car Warranties
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Sep 13, 2011 (3:53 pm)
I have a 2005 Ford Focus zx4 and the engine starts to buck when holding a steady speed. It used to do it once in a while now all the time.
#102 of 126 Re: Engine bucking [mountainwolf]
Sep 13, 2011 (4:48 pm)
just a guess, sounds like a plug or plug wire breaking down.
#103 of 126 Re: Engine bucking [oldfordmech]
Sep 14, 2011 (11:52 am)
I changed the plugs I was wondering about the coils on top of the plugs.
#105 of 126 Re: Engine bucking [mountainwolf]
Sep 14, 2011 (12:36 pm)
Yes, Do you know someone with a good code reader ? It will tell you which of the 4 coil packs is breaking down. You can find coil packs at NAPA, Advance Auto, On-Line, Auto-Zone. They are NOT cheap.
#106 of 126 Re: Engine bucking [oldfordmech]
Sep 14, 2011 (3:55 pm)
Thanks I will try that.
#107 of 126 Re: Engine bucking [oldfordmech]
Sep 19, 2011 (10:07 am)
My 2001 ford focus was running rough and loud I raplaced the spark wire set yesterday and wat a difference smoothand quiet now.$20.00 fix. I got the car used, cleaned the engine at the car wash and later the car was running bad, the macanic said the coil was badand replaced it he said to replace the wires soon.I should have done sooner. try it
PS If you hose down engin at the car wash cover coil save $75.00
Sep 23, 2011 (2:44 pm)
My 2003 ford focus SE has been jerking and not speeding up, ( stales) so I changed my spark plugs, and cords but it didn't help. I look at my car and notice that my crank case relief hose and valve is wearing, ( I took a picture to ford), could this be the problem.
#109 of 126 2011 ford focus engine light
Oct 02, 2011 (3:10 pm)
Today, as soon as I started my car, I could tell something was wrong. When I put the car in reverse, it stated to shake/shudder. When I put it in drive, it shook harder. I parked the car, waited about 10 minutes, and tried again, with the same results, and the engine light came on; when I tried to drive through my parking lot, no acceleration.
I drove about 90 miles round trip yesterday, with no problems.