Fault codes P1671, P1166, P0691, P1607, P2131,P0692

[damvid]

Hi,

I have been driving 130 km/h with cruise control on. After hitting the gas pedal strongly, the anti pollution fault message appeared. I connected my C5 2008 to Diagbox and got the following fault codes:

P1671 : cruise control
P1166 : fuel pressure regulator control
P0691 : Fan high speed control
P1607 : vehicle speed limitation
P2131 : accelerator pedal hard point switch signal
P0692 : Fan high speed control

How to explain the above mentioned fault codes?
Thanks.

[RichardW]

Likely that: "P1166 : fuel pressure regulator control" is the one causing the problem. What engine? 1.6 HDi? Try changing the fuel filter first off.

[damvid]

Hi,
I changed the fuel filter in August 2013,made 9000 km since then.
I experienced Antipollution fault once during the last summer.It was extremely hot outside (+40C)...the fault went away by itself after couple of weeks.