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Old 18-03-2014, 09:50 PM   #1
shepv8
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Default Engine shudders/almost stalls braking

Gday all,
My 06 LS 2.0L manual focus's engine has started shuddering and almost stalling when coming to a stop using moderate to heavy braking ( its not the brakes).
Its starts and runs fine and even when it starts to shudder it never actually stalls. Once you come to a stop the engine settles to a normal idle.
Interestingly I changed the starter motor last week and I have read that people have had faults with PCV hoses and that these hoses run near the starter motor? I have had a look but cant see any issues.
Any ideas?

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Old 22-03-2014, 09:04 PM   #2
shepv8
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Default Re: Engine shudders/almost stalls braking

turned out to be a split PCV hose.
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Old 23-03-2014, 06:46 PM   #3
DZFord
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Technical Contributor: For members who share their technical expertise. - Issue reason: LS Focus PCV Valve & Hose replacement, a very detailed write up with photos. 
Default Re: Engine shudders/almost stalls braking

Thanks for the update. Was it a DIY fix or workshop job?
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Old 26-03-2014, 08:35 PM   #4
shepv8
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Default Re: Engine shudders/almost stalls braking

No, I took it to the mechanic. It took them 2.5 hours labour but it would have taken me all weekend so I was happy with that. The PVC hose had a split about 3 inches long.
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Old 27-03-2014, 12:32 PM   #5
DZFord
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Technical Contributor: For members who share their technical expertise. - Issue reason: LS Focus PCV Valve & Hose replacement, a very detailed write up with photos. 
Default Re: Engine shudders/almost stalls braking

Gee that's almost the whole hose haha. Big job that one.
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Old 27-03-2014, 12:48 PM   #6
20focus05
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Default Re: Engine shudders/almost stalls braking

We did it in about 1.5 hours.
just removed starter.
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Old 27-03-2014, 07:02 PM   #7
shepv8
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Default Re: Engine shudders/almost stalls braking

Yeah I think they also removed the starter in the end to get it in . The first discussion was of removing the manifold , which is I believe how the workshop manuals say to do it, but Im like no no Ive heard people doing it without the manifold coming off so they persevered. And yeah it was almost the whole length of the hose split!
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