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post #1 of 4 (permalink) Old 08-27-07, 05:41 AM Thread Starter
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black smoke

any suggestions please, black smoke but only when accelerating, mondeo 02 tdci, i,m guessing something to do with the turbo but unsure, 86k miles, if i build up speed gradually no smoke, only when i sink the foot,

thanks in advance

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post #2 of 4 (permalink) Old 08-27-07, 06:37 AM
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Re: black smoke

Black smoke usually indicates a rich condition. Is your car OBD compliant? If so read the codes from the ECU if you can.
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post #3 of 4 (permalink) Old 08-27-07, 06:41 AM
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Re: black smoke

Can you hear a hissing sound also? If so check the hose from the intercooler to the EGR valve.
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post #4 of 4 (permalink) Old 08-31-07, 06:44 AM Thread Starter
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Re: black smoke

i have found that if i take the small black rubber pipe off the diaphraghm that is on the turbo unit there is no longer black smoke but when i put it back on again the black smoke is back, could this be that the diaphragm is u/s
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