booboodag · Dec 28, 2012

They are a real pig to get out with the inlet manifold in place, I ended up cutting a spanner in half to remove the last one.

Freelaner · Dec 28, 2012

original post edited for clarification purposes

Singvogel · Dec 28, 2012

booboodag said:
MAP in located in L/H side as you look at engine in underneath inlet manifold, were not the later ones fit into hoses

I'm confused now - but that's nothing new or unusual.

What is the sensor in the long turbo hose on the left of the intake ducting?

The one that the earlier models doesn't have - is that a temperature sensor? or a pressure sensor? is that the MAP?

SV.

Freelaner · Dec 28, 2012

maf, from what i've read, are fitted directly to the inlet manifold and map are in the turbo tubes

booboodag · Dec 28, 2012

From late 2003 the MAP went into turbo hoses, prior to that located in inlet manifold as previous post, hope this clears up location issue.

Freelaner · Dec 28, 2012

any way wherever it is or whatever it's called, if it's faulty or gunged up it can cause problems like the op's

hd3 · Dec 28, 2012

edited to scrap .. was looking at the wrong engine type ( crap !!! )

Freelaner · Dec 28, 2012

thats just summat else for you to take out soak in petrol and clean then

Singvogel · Dec 28, 2012

Yeah - I've just been looking at Haynes too -

4A*8 is for petrol engines and shows a MAP - no mention anywhere of a MAF on the petrol.

4B*8 is for diesels and shows a MAF - no mention of a MAP on a diesel.

I conclude that my TD4 doesn't have a MAP.

I suspect that the sensor on the turbo hose is an air temperature sensor.

SV.

hd3 · Dec 28, 2012

I suspect that the sensor on the turbo hose is an air temperature sensor.

that's what i rekon ..
going by its ( internal ) appearance / construction ..
and similarity to the petrol version

( doesn't r.ron mention something about it on his website ?
( i'd go check .. but not right now

..

anyhow .. no way is that 'hose' sensor on my '06 be constructed in any manner as to measure 'pressure'
and .. the air-intake temp sensor (td4) via google search .. has same thread and wiring connections
sensor 'head' looks a bit different though in pics

~~~~~~
pic added .. ( from haynes '03/'06 )

air intake sensor from the petrol job
'boost' sensor from the diesel ( td4 i assume )

~~~~~~~~

if it weren't ****in' down outside at the moment ..
i'd take a torch 'n go look for that 'boost' sensor right now
( am sure i've seen it though )

'boost' / 'map' .. same thing i rekon ..

~~~

will no doubt find out for sure .. when 1 of them goes kaput 'n needs replacing ..

~~~~~~

re the OP .. keep wondering if the turbo-to-intercooler hose has gone a.w.o.l. ..
i.e. hose at bottom ..

anyhow .. hope it get's figured out ( and sorted

.. one way or another

Diesel Do · Dec 29, 2012

Gonna have to say. With descriptions, I'd be worried its the turbo itself! Loud whistling and over boosting! Happy Christmas

lucky you've still got some testicles

disco_mikey · Dec 29, 2012

FWIW, the MAF on the TD4 is on the end of the air filter.

The MAP is on the L/H side of the inlet manifold. Always has been, and always will be

The sensor in the long pipe was introduced in 03MY (IIRC) and is a temperature sensor

1.8 K-series does not have a MAF, only a MAP. On the early cars, it was internal to the ECU, and from 01MY, it was fitted into the inlet manifold

Hope that clears up any confusion.

booboodag · Dec 29, 2012

I stand corrected about the sensor in the turbo pipes thought they had changed the position of the MAP due to the issue with them clogging up .

Singvogel · Dec 29, 2012

disco_mikey said:
FWIW, the MAF on the TD4 is on the end of the air filter.

The MAP is on the L/H side of the inlet manifold. Always has been, and always will be

The sensor in the long pipe was introduced in 03MY (IIRC) and is a temperature sensor

1.8 K-series does not have a MAF, only a MAP. On the early cars, it was internal to the ECU, and from 01MY, it was fitted into the inlet manifold

Hope that clears up any confusion.

Thanks for that mate - and yes, it does clear up all confusion.

Singvogel.

Freelaner · Dec 29, 2012

Technically neither were fitted as LR called them boost pressure sensors

Singvogel · Dec 29, 2012

Freelaner said:
Technically neither were fitted as LR called them boost pressure sensors

Just be quiet about that - or else I'll get confused again.

Freelaner · Dec 29, 2012

Singvogel said:
Just be quiet about that - or else I'll get confused again.

It's a minefield

i shall not mention it again

Singvogel · Dec 29, 2012

Freelaner said:
It's a minefield

There's plenty of them in the Balkans!

I'm due to go back there again in a couple of months.

Freelaner · Dec 29, 2012

Singvogel said:
There's plenty of them in the Balkans!

I'm due to go back there again in a couple of months.

Jesus now thats what I call off roading

Stay safe

Singvogel · Dec 29, 2012

Freelaner said:
Jesus now thats what I call off roading
Stay safe

Thanks for that - but sometimes it's best not to go too far off-road.

SV.

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