2005 Citroen C5 2.0l HDI (16v 138bhp) Exclusive
Hesitates in cruise constant speed

1 points

Problem added: Aug 14, 2020 (1 month ago)
hesitates when at a constant speed when engine not under load. typically 50-70mph.
sometimes air bubbles in the return pipe. EGR has been cleaned.

Car details
Car: Citroen C5
Variant: 2.0l HDI (16v 138bhp) Exclusive
Model Year: 2005
Category: Engine & Drivetrain
Replies and Fixes
1,846 points

Aug 17, 2020 (1 month ago)
Would try replacing fuel filter first ,just in case .
1 points

Aug 18, 2020 (1 month ago)
Thanks for the reply! ... that has been done. also, the EGR tube cleaned.
The car is a little unusual in that it has a Hydrogen Generator fitted, (in 2011) which improves mileage, & emissions by burning the particulate. there has been no Eloys in the car for the last 3 years! (I regularly get 49mpg on short around town driving) & no problem passing MOT.
Citroen have suggested that it may be a blocked pipe, a blocked or faulty high-pressure pump at the tank end.
They also say that the fuel priming bulb perishes & leaks but that is all good.
I had the car checked by Citroen recently & from the time of booking it in, till the present, the car hasn't exhibited the fault again... so perhaps the thought of going into the garage frightened it!
for 150k miles she's still a fantastic car. with all the toys., The ride is great, & I love the Xenon Arc steering lights... fantastic in country lanes.
Post a reply
Please login to reply.
Planning on fixing a problem yourself?

If you need parts to do the job head over to Euro Car Parts to find the parts you need.

  • Free UK Delivery
  • 365 Day Returns
  • Free Click and Collect
Having a problem with your Citroen C5?

Tell us about your C5 problem

AutoInsider AI Robot picture

You might find these links helpful in solving this problem.

Helpful Links
Click to see a list of Citroen C5 Recalls
More Problems
See more Citroen C5 Problems
News & Updates
Need an MOT after lockdown?
Find your nearest MOT Test Centre

Volvo Seat Belt Recall
Affects S60CC, V60CC, S60, XC60, V60, XC70, V70 and S80

AutoInsider recall database updated
Recent recalls for Volvo, Audi and Porsche

Find your nearest
Diagnostics App

Identify problem parts

Try it now
On Social Media