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Autodata technical Issue 46 - Engine speed will not increase above 3000 RPM on 2011 Citroën Berlingo

Autodata technical Issue 46 - Engine speed will not increase above 3000 RPM on 2011 Citroën Berlingo

03 November 2021

Each month the Autodata team answers a common technical question and provides a printable document with technical diagrams to download and keep, exclusively for IGA members.

Q. We have a customer with a 2011 Citroën Berlingo 1,6 Diesel who is complaining that they have a lack of engine power and the engine speed will not exceed 3000 RPM. We have checked to see if any intake pipes have a split in them and also checked the air filter, which is not blocked. Are you aware of this fault?

A. Yes, we are aware of a fault which affects Citroën Berlingo models with 1,6 Diesel engine and 9HK (DV6ETED)/9HN (DV6ETED) engine codes. The fault is due to a defective fuel temperature sensor integral to the low-pressure fuel pipe. Locate the low-pressure fuel pipe on the engine (fig. 1.1).

Fit a new low-pressure fuel pipe with integral fuel temperature sensor. Carry out a road test to ensure the fault has been rectified.

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