Anyone with a laptop and software in or near Essex
Anyone with a laptop and software in or near Essex
Author
Discussion

tonywilliams

Original Poster:

214 posts

231 months

Sunday 28th August 2011
quotequote all
As per the title really. Could someone with the software hook it up to my Cerb and see if they can find out whats up with her please. 2 days of fun but frustrating ownership now and even though it's been fun I would like her running right. If you want to give me a call my number is 07584 428488

She won't idle properly, she keeps wanting to shut down or idle too high so having ready the other thread "Why is the engine hunting"I'm wondering if it could be the Lambda sensor thats failed, does anyone know what car they are from and a part number to fit the 4.5 please.

Edited by tonywilliams on Sunday 28th August 10:35

C3BER

4,714 posts

252 months

Sunday 28th August 2011
quotequote all
Check the last post on the :

http://mobile.pistonheads.com/xforums/topic.asp?h=...

You can download the software but I'm sure somebody will soon dash over with it pre loaded and the cable.

darren no 7

558 posts

277 months

Sunday 28th August 2011
quotequote all
hi have two old lambers that are fine £50 each near watford if that helps and got a lap top that you can plug into

tejr

3,498 posts

193 months

Sunday 28th August 2011
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Where abouts in essex are you?

tonywilliams

Original Poster:

214 posts

231 months

Sunday 28th August 2011
quotequote all
I'm near Rayleigh and Southend but don't mind traveling.

Thanks Darren, hopefully I can find someone a bit closer with laptop if not will take you up on the offer, if it is the Lambda sensors I'll have the spares you have. Thanks.

itiejim

1,822 posts

234 months

Sunday 28th August 2011
quotequote all
Lambdas are from a V8 Land Rover - these will be fine - http://www.ebay.co.uk/itm/NGK-Fr-Lambda-Sensor-LAN...

aide

2,278 posts

193 months

Sunday 28th August 2011
quotequote all
Hi Tony,

I have my laptop and this cable working for my ecu:
https://delta.securesslhost.net/~shenglt/catalog/p...

I have it setup for the three pin connector, which is the connector that's on a separate lead outside the ecu.

I'm more than happy to drive over now and plug it in to record some stats if you're still in trouble. I'm around 50 mins from Southend-on-sea.

I have to warn you though that I only got my Cerbera in May and the best I can do is get some readings for you to have someone else interpret.

Best wishes
Adrian

tonywilliams

Original Poster:

214 posts

231 months

Monday 29th August 2011
quotequote all
Car was plugged into a laptop last night and screen shots were taken thanks to Aide.

Hopefully someone will be able to make sense of these and point me in the right direction. EFR comes back as bad once the engine is warm which I assume is Air Fuel Ratio as she seems to be running rich as you can smell it. The car also seems to have a bit of a misfire when you accelerate or lift off.


Ignition on, engine off







Engine running, Cold







Engine running, Warm






Edited by tonywilliams on Monday 29th August 11:56

aide

2,278 posts

193 months

Monday 29th August 2011
quotequote all
Hi Tony

I recall the adaptive maps for both banks were up to +/- 50% at some parts of the rev range.

In the help on Using the maps section of the ecu s/w it says:
"If values are high (>+/-20 %) or erratic, suspect excessive purging, worn/erratic throttle pots, leaks in exhaust/intake manifolds, faulty lambda sensors or incorrect fuel pressure (see "real time help" for fault screen)."

If you look at the Fault Screen shot you posted it shows that there are faults logged on Throttle 1 & 2.

So, in the absence of any experience or skill! Perhaps you should clear the faults, go for a spin and check to see if the Throttle codes are tripped again. If they are then maybe the throttle potentiometers are banjaxed smile

It was nice to meet you yesterday, really lovely car and that child seat is a work of art!

Adrian

Tanguero

4,535 posts

230 months

Monday 29th August 2011
quotequote all
You need to clear the fault log then run it for a while and see if the throttle pot faults come back or if they were just due to running while unplugged some time ago.

If you intend to fix this yourself, you will need to get a laptop and learn how to connect it up. It really is an essential tool for both diagnostics and setting up the engine correctly. Second hand off fleabay is fine - get one that has a physical serial port to avoid problems with USB/COM adaptors. Failing that best get on good terms with your nearest TVR specialist! biggrin

aide

2,278 posts

193 months

Monday 29th August 2011
quotequote all
aide said:
Hi Tony

I recall the adaptive maps for both banks were up to +/- 50% at some parts of the rev range.

In the help on Using the maps section of the ecu s/w it says:
"If values are high (>+/-20 %) or erratic, suspect excessive purging, worn/erratic throttle pots, leaks in exhaust/intake manifolds, faulty lambda sensors or incorrect fuel pressure (see "real time help" for fault screen)."

If you look at the Fault Screen shot you posted it shows that there are faults logged on Throttle 1 & 2.

So, in the absence of any experience or skill! Perhaps you should clear the faults, go for a spin and check to see if the Throttle codes are tripped again. If they are then maybe the throttle potentiometers are banjaxed smile

It was nice to meet you yesterday, really lovely car and that child seat is a work of art!

Adrian
Oops Tony.. reading this again I don't think it articulated myself correctly sleep

please read
"So, in the absence of any experience or skill on my part! What I would do is clear the faults... etc etc "
instead of
"So, in the absence of any experience or skill! Perhaps you should clear the faults,"

My apologies smile

ridds

8,372 posts

273 months

Tuesday 30th August 2011
quotequote all
Even after clearing the faults etc in my personal experience your throttle % is too low really.

Mine are set at 17-18% odd when fully warmed up and idling smoothly just below 1000 revs/min.