Au - MAP sensor removal

james22 · 27-03-2008, 10:29 AM

Hey ppl. I ran a search, but its near impossible to find matches for MAP lol.

What I need to know, is how the hell do you remove it? If its what I think it is (small box, prob half the size of a smoke packet, directly under the t-body / butterfly) Its near impossible to get to. I cant' get a ratchet onto it because of the fuel rail, and you'd need to be a Japanese monkey to reach it from underneath?

Any ideas?

I want to pull it off and clean it out, as I'm now sure after 15months of looking, that this is the cause of the problems with the car.

Eg,

Hard to start
Too rich all the time, especially startup.
Hesitation and flat spots
Extremely poor fuel economy - worse than my v8

Cheers,

InfernoSR · 27-03-2008, 10:39 AM

Quote:

Originally Posted by james22

Hey ppl. I ran a search, but its near impossible to find matches for MAP lol.

What I need to know, is how the hell do you remove it? If its what I think it is (small box, prob half the size of a smoke packet, directly under the t-body / butterfly) Its near impossible to get to. I cant' get a ratchet onto it because of the fuel rail, and you'd need to be a Japanese monkey to reach it from underneath?

Any ideas?

I want to pull it off and clean it out, as I'm now sure after 15months of looking, that this is the cause of the problems with the car.

Eg,

Hard to start
Too rich all the time, especially startup.
Hesitation and flat spots
Extremely poor fuel economy - worse than my v8

Cheers,

I thought the part you are refering to is the throttle positioning sensor...

:

james22 · 27-03-2008, 10:57 AM

Buggered if I know, Anyone got a pic of the MAP? According to my Haynes manual, its placed directly under the t-body?

JOSH · 27-03-2008, 10:58 AM

you have to remove the upper half of the inlet manifold, very easy job.

james22 · 27-03-2008, 11:10 AM

Quote:

Originally Posted by JOSH

you have to remove the upper half of the inlet manifold, very easy job.

Thats what I thought lol, but didn't really want to do it. Was a bit lazy that day.

Is that the only way about it, or has someone else got a bright-idea

:

InfernoSR · 27-03-2008, 11:11 AM

A new engine?... wait... thats hardly a bright idea... but neither am I today :P

james22 · 27-03-2008, 11:38 AM

Actually lol. I've got a brand new XR6 Engine sitting there ready to go for ages... 3 years+

InfernoSR · 27-03-2008, 11:55 AM

Quote:

Originally Posted by james22

Actually lol. I've got a brand new XR6 Engine sitting there ready to go for ages... 3 years+

yet i moved close by and wasnt offered in order to clean out your shed? :togo:

sly · 27-03-2008, 01:03 PM

Quote:

Originally Posted by james22

I want to pull it off and clean it out, as I'm now sure after 15months of looking, that this is the cause of the problems with the car.

Eg,

Hard to start
Too rich all the time, especially startup.
Hesitation and flat spots
Extremely poor fuel economy - worse than my v8

Cheers,

I don't know if cleaning it out will give you much joy. I had exactly the same symptoms after an LPG backfire and eventually had the computer scanned for DTC's which indicated the TMAP was dead. I got the workshop to replace it with a new one, which involved, surprisingly, removing the top half of the BBM.

If it's been running rich for 15 months, that's probably stuffed your O2 sensor and cat as well.

As I've said in numerous other threads, get the PCM scanned for DTC's if the plugs, leads and filters are all good.

james22 · 27-03-2008, 01:24 PM

I read in another thread, that they cleaned theirs out, and noticed a difference immediately. If it does improve, Then I will know this one's shagged and will just replace it and my 02 sensor, Problem solved.

b2tf · 27-03-2008, 01:51 PM

Is this on the 6 or 8 Jamie? I didnt think 8's had a MAP?

InfernoSR · 27-03-2008, 02:09 PM

Its a I6

james22 · 27-03-2008, 03:06 PM

Quote:

Originally Posted by b2tf

Is this on the 6 or 8 Jamie? I didnt think 8's had a MAP?

Yeah mate, Mrs I6. My old falcon lol hence the MAP not MAF

sly · 27-03-2008, 03:07 PM

Quote:

Originally Posted by james22

I read in another thread, that they cleaned theirs out, and noticed a difference immediately. If it does improve, Then I will know this one's shagged and will just replace it and my 02 sensor, Problem solved.

Fair enough. Just means having to get it out twice.

JC · 27-03-2008, 05:08 PM

Remove the TB, and then you'll have easier access to the MAP. I did mine without removing the upper half of the BBM, and I have big hands.

Oh, and the new MAP sensor is a wallet lightener too!

james22 · 28-03-2008, 01:33 PM

Quote:

Originally Posted by JC

Remove the TB, and then you'll have easier access to the MAP. I did mine without removing the upper half of the BBM, and I have big hands.

Oh, and the new MAP sensor is a wallet lightener too!

Cheers, thats even easier. Like I said "lazy mood"

. As for the wallet lightener, so I've heard. I might try the wreckers instead.

Thanks all

TwistedEL · 28-03-2008, 01:53 PM

Quote:

Originally Posted by james22

Cheers, thats even easier. Like I said "lazy mood"

. As for the wallet lightener, so I've heard. I might try the wreckers instead.

Thanks all

Get a new one... there is no guarantee one from a wrecker will work - you'll be in the same position you're in now (unsure what the problem is, maybe it's the MAP sensor?)

sly · 20-11-2009, 07:19 PM

As a matter of interest, is the AU TMAP sensor fitted to the top half or the bottom half of the BBM?

The answer to this question and where it leads to next, may well be helpful to anyone considering boosting their AU...