Adaptive issues.

[pilmar]

Right, I've hit a wall.

After 3 weekends doing various jobs on my recent purchase, I'm still getting adaptive values of 30 on the even bank and -3 on the odd bank.
Here's what I've done so far:-

Rewired the lambdas after the 12v feed went down. Mil light now off, yey!
Replaced lambdas.
Replaced ht leads and plugs.
Checked throttle pots and set up correctly via laptop.
Swapped over coil packs.
Reset fault codes and adaptives on laptop.

Car runs okay on a leisurely drive, a little lumpy, but definately not cerbera quick when I open her up.

Funny issue to complicate things here. While attached to the laptop, when the fan came on the adaptives both went to around 6ish and she sounded perfect (not lumpy). As soon as the fan went off the adaptives went back to 30 and -3 (ish). It was a one off.

Sorry to go on and on but I'm at the end of my capabilities here.

[skidoo]

i had the same with mine turned out i had the o2 sensors plugged in wrong (right to left left to right) worth just checking that

[pilmar]

Thanks for replying.

Last weekend I swapped them over on purpose, to prove the even lambda was faulty. Today I've made sure that they are correct.

[camel_landy]

pilmar said:

Funny issue to complicate things here. While attached to the laptop, when the fan came on the adaptives both went to around 6ish and she sounded perfect (not lumpy). As soon as the fan went off the adaptives went back to 30 and -3 (ish). It was a one off.

Could you have a dodgy earth or a faulty connection somewhere???

M

[pilmar]

I checked all the usual connections. I had the ecu plug, under the expansion bottle, apart last week and all ok.

Am I right in thinking that once the ECU receives the lambda readings it sorts out the adaptives within the ECU.

Can you see where I'm going with this one?

ECU problem??

[camel_landy]

IIRC - It's also the ECU wot controls the fans.

Could still be a dodgy connection, possibly even within the ECU itself.

M

[gerradiuk]

Last week I had similar readings as I was actually trying to figure out how to do a screen capture,I gave upon this & just put the car on the Ctek. Two days later battery absolutely fully charged & all throttles & adaptives were spot on, only difference to you I had not rest anything. Make sure your battery is fully charged.
PS anyone tell me how to screen capture the Live log screen please ?

[camel_landy]

gerradiuk said:

Last week I had similar readings as I was actually trying to figure out how to do a screen capture,I gave upon this & just put the car on the Ctek. Two days later battery absolutely fully charged & all throttles & adaptives were spot on, only difference to you I had not rest anything. Make sure your battery is fully charged.
PS anyone tell me how to screen capture the Live log screen please ?

[Alt & Prnt-Scrn] will screen capture the active screen to the clipboard.

Then paste into 'Paint' from where you can save as a .JPG.

M

[mattrosersv]

Smilar to previous poster, I had poor runing issues that went with a charge on the battery conditioner. Certainly worth ruling this out at least.

Car would start so I assumed all was well but volts were low.

[pilmar]

When the cars not running I'm getting 12.4v.
When the car is running I'm getting 14.4v.

All seems well there.

[mattrosersv]

Disconect the battery and check volts if it is 12.4 this is on the low side. Even my oldish batterys show min 12.6v fully charged.

Mine was charging fine with alternator. I had a search on here and found a mention about low volts so hooked up another battery to rule it ot and hey presto...

Matt

[pilmar]

thanks for the input guys.

I've thrown enough money at the car so far so I suppose a new battery makes sense.

12.4 is a little low I suppose. In my experience I'd have expected to see 13+

I can't see this causing the adaptive issues though, or am I missing something?

Thanks again guys.

[gerradiuk]

As said check the battery off the car, if it shows higher volts then check the main earths.
Any voltage drop on the way to the ECU will make a difference, in fact if the battery is over 3yrs I'd replace it!

PS thanks for the heads up on screen capture ...all above me

[Tanguero]

OP - Are both banks flowing the same on your synchronometer at idle?

[greenracing]

Sounds like you have checked and tested the most obvious things so I would:-
1. As above, check flow rates.
2. check all earth connections are good on both ends.
3. Check that the cat on the dodgy bank is not blocked/burnt ( had this on mine after a misfire issue)
4. Check the cam timing is accurate.