Ford Escort RS Turbo This forum is for discussion of all things pertaining to the Ford Escort Rs Turbo Series 1 and 2.

advice needed

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Old 09-05-2010, 05:02 PM
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decustomengineering
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Default advice needed

my erst runs fine if i dont give it any sh*t, but when i do it boosts up really well and then after the dump valve has gone off and the boost has dropped bakc down it runs really lumpy like ti is running on 3 cylinders and after a while it picks back up

any ideas would be good cheeRS
Old 09-05-2010, 05:26 PM
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phil_focus
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i'm not a turbo expert but heres my guesses

1. sticky dumpvalve causing an air leak once activated and then freeing off a bit
2. leaky boost pipe
3. week boost pipe collapsing
Old 09-05-2010, 05:58 PM
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taz1787
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mate has something similar think its his dump valve
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