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Citroen C4 Grand Picasso petrol runs rough

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Tinymartin   
Sat Jan 30 2021, 12:12pm
Member No: #46115
Joined: Sep 06 2016
Location: Falkirk
I have a Citroen C4 Grand Picasso 2008 petrol, at the moment when I start my car it starts fine and when it's cold, it runs not too bad (slight hiccup) however when it's warmed up a bit it runs very rough. When I start to drive away it stutters and struggles to accelerate but when you use the accelerate carefully it will pull away and increase speed slowly. As you are increasing speed if you put your foot down it stutters more and struggle more as if there a timing issue or fuel problem then it brings on three warning light and puts it into limp mode. I then carefully pull over switch off and then start up again and then drive away as I did before with a stutter but with just the EML on until it happens again. At the moment I've change the camshaft sensor, crankshaft sensor and coolant sensor and as far as I can remember I've had spark plugs and coil packs changed. I put it into a garage and they only found a misfire on cylinder 3 according to the computer and nothing else and they couldn't find anything else. They think there's an electrical fault.
Ap0qalypto   
Sat Jan 30 2021, 12:40pm
Member No: #52161
Joined: Sep 21 2018
Location: Republic of Serbia - city of Novi Sad
Fuel pump? One in tank?

1 User said Thank You to Ap0qalypto for this Post :
 Tinymartin (31 Jan 2021 : 03:54)
Tinymartin   
Sun Jan 31 2021, 03:54am
Member No: #46115
Joined: Sep 06 2016
Location: Falkirk
Could the egr valve cause this?
gittos   
Sun Jan 31 2021, 08:01am
Member No: #30055
Joined: Apr 02 2013
Location: Bolton
It could be any number of things, you really need to get the fault codes as a starting point or you could be fitting unnecessary parts.
Tinymartin   
Sun Jan 31 2021, 03:39pm
Member No: #46115
Joined: Sep 06 2016
Location: Falkirk
The only fault code was p1339
gittos   
Sun Jan 31 2021, 04:51pm
Member No: #30055
Joined: Apr 02 2013
Location: Bolton
Click on the red p1339 and read what Dave Retired wrote and the description of the error code...hope this helps.
 

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