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finally got to the bottom of this after hours of diagnosis, the NEW cam sensor has the wrong damn polarity, thats why it was scanning as working but raising havoc on startup. Hope this helps someone...

Hi gang ,
Have a customer car come in (stock LS1 auto(with a P0342 and P0343 dtc
replaced cam sensor , still have the same error . Wierd thing is if clear the code the car will not start and...

its a holden australian OS . at this point im happy to just get a 4l80 5.7 base file and modify it. unfortunately efi live wont let you swap tables from different OS so will be a whole lot of cut and...

Hi all, in the ,middle of a trans swap for my shop silverado LS1 turbo, from 4l60 to 4l80. the truck has been run for years with the tune but keeps eating transmissions so i have changed harness to...

I'm thinking that the cruise module sees the speedo numbers as it only seems to affect the cruise shift points :/

I have tried to correct in both the engine file and in the Trans file no matter what I try it upsets the cruise downshift points .
Ideally I need to just change what the speedo sees rather than what...

that's the problem , there is no CC shift tables, I can correct all the shift points bar the one that is the worst :(

I agree , unfortunately here in Australia , speed detection is a major source of revenue for our government, and a speedo that reads under by 10kph isn't ideal, even with the trans file left stock as...

HELP!!
I have tuned up this 2008 Silverado, tunes great, have corrected the speedo as it has larger tyres, and now when the cruise control
is on it downshifts at the slightest incline, its only in...

Seems like a great place to start thx Ross

I have a 2015 LML Z71 we have done a tune on , runs perfect, does everything its meant to, only once every now and then it throws a P0606
code and goes into limp mode , is there something I have...

That's what I did thx Tony .

Hi Guys,
I'm tuning a 2015 Z71 and before I start want to ensure that the base file is 100% correct.
the trucks details are as follows.Description Value
Engine Control Module (ECM $7E0)...

PPEI supplied the tune. is it possible to swap an ECU from a known good truck of the same model , or are they vin number locked to the bcm? so how would I unlock it?
It may not be the tune ,...

So apparently the original tune I used (third party supplied) was incorrect, the correct tune has now been supplied but the symptoms remain, erratic activation of the esc .causing the cruise to cut...

Hi Guys,
Have just flashed an 11 lml with a tune , tunes great but now, the cruise cuts out intermittently
and most time it cuts out you can hear the abs pump cycle. Initially ( cold this morning)...

Ok so I have got it running on E85 on 10 psi but there is no way it will take anything richer than .80 lambda , making 20rwkw more than 98 with a few extra degrees of timing, but every time I try to...

I'm converting my ls1 turbo to E85 , ive read many threads and articles on the best way to do it,
if I change the ratio for stoich to 10-1, will all the other tables compensate as they are in...

Car hant played up in three days given it back to customer will see what happens.:confused:
Thanks for the responses guys
Shane

car is stock as a rock.38000km.hasnt played up for 2 days now ......:doh2:
Will see what happens tommorrow....
Thanks for the replies Shane

Swapped maf with another car, swapped coil packs replaced plugs all the usual stuff the worst bit is once it runs good its perfect untill it cools and it all starts again.Will do a log in the morning...

Has anyone come across an e38 ecm failing.I have a series 1 VE clubsport at work and its doing a few strange things.The car is std and untuned.On startup it rus terribly and first the trac cont light...

Glad to see you got it up n running.
Cheers Shane
p.s.-NICE LAUNCH DUDE

read a pcm today and came up with this o.s. any ideas?
09381344 its a VT commodore pcm.
Cheers Shane

Just found this thread again, glad you found the problem, guess you owe me a beer(or a ride).
The best thing about these forums is theres always some poor bastard whose been there before you and if...