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I’ve had the D P F filter replaced pressure sensor and pipe. All was well for about a week not going further than a total of about 100 miles. I noticed the engine block light on the dash. Referred to the mechanic who has found the DPF almost blocked again and doesn’t know what to do about it. I’m afraid to use my car Vauxhall Zafira 2011 can anyone help please?
 

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are you only doing short journeys?.....DPFs are prone to blocking unless give a good run.
have you tried to give it a good run (30 minutes) at high revs?
 
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