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Discussion Starter #1
Hi, i have problem with my car, laguna 1.9 dci 105 ps 6 speed.
It does not like to accelerate, gas pedal full and it accelerate slow very slow on motorway, when release gas pedal it looks like get more power, can someone help me what to check thnx
 

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Super fantastic Mod Technical Supremo Nice Guy
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37,667 Posts
We are struggling because we never get any feed back.
You started off with a Vacuum issue..
So we dont know whats happening..


We dont now know really anything about this engine, what you have actually changed/tried


Lack of power on any diesel, you start with the basics..
New oil, oil filter, air filter Fuel filter ..
First things that need changing..

Then its, is it a turbo engine, is the wastegate moving. and not stuck open..
Does it have a Map sensor, does it have a Maf sensor ..

Has anyone been near the injector pump, and knocked it back to get through an emission test, or turned the pump down, so no smoke, but getting starved of fuel

What sort of Injector pump is fitted..
These are just off the top of my head..
But you need to start somewhere, find out what it cannot be, and narrow it down..


A picture of the Engine with out engine cover would help..

As its easy for you, you can see the design of the engine, we cannot ..
 

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Discussion Starter #4
Hi ours thnx for your help, iam swap and try lot of things, like maf, map, new turbo and sensor of the turbo wastegate, all filters changed regularly etc, engine is f9q 752
 

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Super fantastic Mod Technical Supremo Nice Guy
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37,667 Posts
This is a Laguna II then.
Post your oval plate, Lets get an idea of the system fitted..
 

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Super fantastic Mod Technical Supremo Nice Guy
Joined
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37,667 Posts
Dont worry about your English,, .

Have a look on the Internet for images of OVAL plate, ..
One of your door pillars should have it..
On my Laguna , if I open the drivers door, the centre pillar ( B pillar ) The part the drivers door shuts to,. My sticker is there..
Yours could be on your passenger side ( Our Drivers side ) ..

Post a picture of this..
 
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