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Old 20-08-15, 12:46 AM   #1
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Default 207 1.6hdi gt. EGR?

Hi all, wondered if anybody could help me. I plugged diagnostic scanner into my car and a pending code came up with Exhaust Gas Recirculation Flow Insufficient Detected P0401 . Could anybody tell me what this is? Theres no engine management light on dash. Just pending code on scanner. Car drives fine idles fine. Im just worried what it is. Peugeot 207 gt 1.6hdi 110bhp 2008 plate. Thanks
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Old 20-08-15, 01:51 AM   #2
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Its the exhaust gas recirculation valve, it is recycling the fumes from the exhaust to prevent excessive NOx emission. Its an inert gas so doesn't burn, just prevents more air getting to the cylinder lowering the combustion temperatures. You can ignore that fault you only need to worry if it comes up with the flow excessive fault, as this can cause the car to stop boosting. Personally I would blank off the egr if I were you though.
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Old 20-08-15, 07:10 AM   #3
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Thanks for the quick reply Joe, so i dont need to worry about that code? How do i go about blanking the egr off? And what would i benefit from doing that thanks
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Old 20-08-15, 08:57 AM   #4
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No no need to worry about that code, the blanking plate fits between the block AMD the valve, it essentially stops the exhaust gases from being drawn into the inlet allowing the engine to draw more air and rum more efficiently
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Old 20-08-15, 09:40 AM   #5
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Cheers Joe. Where can i get a plate from? Is it a quick job or fiddly? The engine is 1.6 hdi
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Old 20-08-15, 10:09 AM   #6
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They're on eBay less than 5 need to take the inlet and outlet pipes to the airbox off then the fuel filter off and loosen the two bolts(this part is a bit awkward) and put plate in place. Takes about half an hour if you know what you're doing
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Old 20-08-15, 04:44 PM   #7
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do you get any lights coming up on dash after blanking egr?
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Old 20-08-15, 05:43 PM   #8
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Nope as far as the car is aware the valve working fine
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Old 20-08-15, 07:05 PM   #9
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Sorry to pick ur brains mate. But what does flow insufficient mean?
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Old 20-08-15, 07:45 PM   #10
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Probably, the valve is blocked partially so isn't opening fully not allowing the exhaust gases through fully
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