DPs Fault 1 hour before MoT.....
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- Stickyfinger
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DPs Fault 1 hour before MoT.....
I quote:
Lack of coherence between the control and the measured turbocharging pressure.
Lack of coherence between the control and the measured turbocharging pressure.
Alasdair
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Re: DPs Fault 1 hour before MoT.....
I am assuming this needs replacing.
Citroen Part No 1618 X2 ELECTRO VALVE 3V
https://www.ebay.co.uk/itm/OEM-Turbo-Pr ... 1906874201
Citroen Part No 1618 X2 ELECTRO VALVE 3V
https://www.ebay.co.uk/itm/OEM-Turbo-Pr ... 1906874201
Alasdair
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Re: DPs Fault 1 hour before MoT.....
The valve will have a foam filter on the atmospheric port. If this is blocked, you will get over-pressure faults.
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Re: DPs Fault 1 hour before MoT.....
Cheers....Will check that....
I read some say Turbo Vanes sticking...
I read some say Turbo Vanes sticking...
Alasdair
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Re: DPs Fault 1 hour before MoT.....
That can cause it too, just put the light out and don't rag it to the station and you should get a pass!! Not sure what engine you have got - on the 1.6 Lighty reckoned that if you pushed the actuator down and it didn't spring right back then the vanes were clogged up (which is easy on that engine as it is right on the front!).
Richard W
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Re: DPs Fault 1 hour before MoT.....
It is the 2ltr 138 with filter....poverty spec engine
Alasdair
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Re: DPs Fault 1 hour before MoT.....
Not quite poverty spec. better than the 110.....
Fault P11AA
Turbocharger pressure regulation solenoid valve control: Incoherence between the command and the measured turbocharging pressure. Incoherence between the position of the turbocharger solenoid valve and the measured turbocharging pressure for 3 seconds: With the engine running, the airflow must be below 40 kg/h compared with the theoretical flow for 3 seconds.
Downgrade Modes:
Fault P11AA
Turbocharger pressure regulation solenoid valve control: Incoherence between the command and the measured turbocharging pressure. Incoherence between the position of the turbocharger solenoid valve and the measured turbocharging pressure for 3 seconds: With the engine running, the airflow must be below 40 kg/h compared with the theoretical flow for 3 seconds.
Downgrade Modes:
- Deactivation of the coherence faults of the flowmeter
- The ECU stops the regulation of the EGR valve
- The engine ECU limits the fuel flow
- Deactivation of the speed limiter
- Deactivation speed limiter until the next time the ignition is switched on
- Deactivation of the cruise control
- Deactivation cruise control until the next time the ignition is switched on
- The activation of the regeneration of the particle emission filter
- The ECU stops the regulation of the turbocharger : Change to piloted mode
- Noise
- Diesel fuel consumption a bit higher
- Lack of power
- Turbocharging pressure sensor
- Turbocharger position copy sensor
- Vacuum problem
- Variable geometry of the turbocharger jammed in the "maximum turbocharging" position
- Turbocharger: Damaged
- Turbocharging pressure sensor
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Marc
Marc
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Re: DPs Fault 1 hour before MoT.....
LOL, it is dark
Where is the valve btw ?
Where is the valve btw ?
Alasdair
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Re: DPs Fault 1 hour before MoT.....
Tock!
James
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Re: DPs Fault 1 hour before MoT.....
Rear of engine Driver side Alasdair. Guide in case you need it..
Usual - Disconnect Battery
Remove the engine style cover
Click images to Zoom
Refitting
Refit:
Usual - Disconnect Battery
Remove the engine style cover
Click images to Zoom
Disconnect the connector (at "a"). CAUTION: On each removal, mark the direction of the vacuum pipes. Uncouple the vacuum pipes (as "b"). | Remove:
|
Refit:
- The turbocharger solenoid valve (1)
- The bolts (2)
- Couple up the vacuum pipes ( as "b").
- Connect the connector (at "a").
- Refit the engine style cover .
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Marc
Marc
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Re: DPs Fault 1 hour before MoT.....
I see from the drawings above that (like the turbo control solenoid on the THP engines) the filter is remotely mounted on the tube that loops upwards, and on mine, the rubber cover over the filter had shrunk, restricting the flow and causing over-boost errors, simply removing the rubber cover fixed the issue.
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Re: DPs Fault 1 hour before MoT.....
That looks get-at-able
Brill, will look in the morning. If no sign of a problem there I will have the car MOT'd asap and order up one from the web.
Brill, will look in the morning. If no sign of a problem there I will have the car MOT'd asap and order up one from the web.
Alasdair
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Re: DPs Fault 1 hour before MoT.....
I’ve got a better diagram of the valve. I’ll put it up when I’m back on my rig.
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Marc
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Re: DPs Fault 1 hour before MoT.....
Bear in mind the part you listed above is the EGR solenoid - not the turbo pressure solenoid valve! They have different part numbers...
1618S5 may be the one you want.... part 18
"m" Outlet to boost pressure waste gate (WASTGATE).
"n" Vacuum inlet (via the vacuum pump).
"p" White marking.
"q" Connector.
"r" Atmospheric pressure inlet.
1618S5 may be the one you want.... part 18
"m" Outlet to boost pressure waste gate (WASTGATE).
"n" Vacuum inlet (via the vacuum pump).
"p" White marking.
"q" Connector.
"r" Atmospheric pressure inlet.
Please Don't PM Me For Technical Help
Marc
Marc