Member Since: 06 Sep 2023
Location: Moreton-In-Marsh
Posts: 5
Discovery 4 - Limp Mode Cold Start Manifold pressure smoke
Hi folks,
I got a discovery 4 2010, its been great but recently its been going into limp mode on cold starts, if I put it under stress within the first 10 mins or so of driving, I get a big puff of smoke out of the exhaust at the back and the car loses oil slowly over time so I plugged in my code reader and got the following codes (see images), first is P006A-00 "Manifold absolute pressure - mass or volume air flow correlation", the second is P1247-00 "Intermittent Turbocharger boost pressure low".
There are no oil leaks that I can see, no oil under the car so I thought it might be a manifold leak, I bought a smoke machine, plugged it into the hose (see pics), I have no idea if this was the correct hose to plug in into but it created a lot of back pressure I had to push the thing in to keep it in and could not see any smoke leaking anywhere with a torch, not in the engine bay, not under the car, nowhere.
I cleaned both the MAF and MAP sensors well, and during I noticed oil in one of the tubes leading to the turbo sensors, see pictures.
I am not a mechanic, only just got into doing stuff with the car so any ideas would be greatly appreciated.
Thanks in advance for the help guys and all the best, Mantrid.
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