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Discussion Starter #1
Hi there!
Got some intermittent faults on my 407 Coupe 2.2 petrol from 2007 that are quite annoying:
-Speed control system, whenever I try to turn it on. Has worked in past.
-Parking system faulty, sometimes pops up, although works 90% of the time.
-Foglamp bulb faulty, again, pops up now and then.
-Directional headlights faulty, more rare, but still pops up.

Big thanks for any leads on these. Are they related? Electricity problem? ECU? Bad battery? Or separate issues perhaps.

stay safe!
 

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Hi there!
Got some intermittent faults on my 407 Coupe 2.2 petrol from 2007 that are quite annoying:
-Speed control system, whenever I try to turn it on. Has worked in past.
-Parking system faulty, sometimes pops up, although works 90% of the time.
-Foglamp bulb faulty, again, pops up now and then.
-Directional headlights faulty, more rare, but still pops up.

Big thanks for any leads on these. Are they related? Electricity problem? ECU? Bad battery? Or separate issues perhaps.

stay safe!
Bad ground/earth is my bet.
 

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On all faults? Grounding to each or more central place, the battery?
Central place.
There are several grounds you need to check. Udually it is light related. I had the foglamp fault on my 407 a while ago. It turned out to be the right rear light that had a bad ground.
 
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