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sprinkles08, ASE Certified Technician
Category: UK Car
Satisfied Customers: 22660
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Have a 2008 Renault traffic 2.0 dci. has permanent fault

Customer Question

have a 2008 Renault traffic 2.0 dci . has permanent fault code df056. air mass meter short to ground or open circuit.. sounds like a wiring problem. is this a common problem with these. this is the second one come across with the same code.. any sujestions as to problem
Submitted: 1 year ago.
Category: UK Car
Customer: replied 1 year ago.
van is starting and driving perfect. just lights up on dash
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

It's not really common but mass airflow sensor codes are not unheard of. This code is telling you that there is a circuit issue with the sensor signal circuit, either wiring, connections or the sensor itself. Connections can be easily checked for corrosion, spread terminals, etc, and the wiring would need to be tested at the time the code is active to be able to rule it out for sure, but the most common cause of this code would be the sensor itself.