teamzr1
Supporting vendor
This is about a 2005 C6 that someone shoved in dual turbos and a bunch of other screwed up mods.
C6 runs like crap and should not be driven the shape it is in
I have the present owner email me some photos and OBD2 scanner data
I about fell over seeing thousands of miles away how past owner really F'd up this C6 and then hide the horror by having
most of the DTCs (error codes ) turned off, so others would not see what was hiding in that LT2 engine
First thing is I had the owner with tuning tools required to download the PCM's calibration as the owner states no DTCs are tripping but engine cannot
even idle correctly
I analyze that PCM calibration to see some asshole to hide all their screwups turned OFF all the engine DTCs !
I turned them back on and emailed the owner a tune which he flashed into the PCM and then started the engine with the OBD2 scanner recordings
Right away, DTCs begin tripping, and we can see all 4 O2s were not happy,
as mentioned someone did a piss poor job of shoving in 2 turbos, crap headers and exhaust, but now we know why the engine is on verge of blowing up
I have owner email me a photo of the top of the LT2
Look at this crap, that is NOT a stock 2005 C6 intake manifold, fuel rails or how stock the fuel system functions
If you look closely you see one bolt barely bolted own and worse other bolts missing !
I do not want this engine running at idle long nor want ANY further driving, so I have owner using OBD2 scanner recording startup ad short idle which he then emails me that recording which I analyze the raw data to find this cluster . . .
In short, one side of engine is running super lean, as much as 25% while other side of engine running way rich -10 %
so I instruct the owner he must get under C6 and look at all 4 O2 sensors, their wiring and the fuse for the O2 heaters
He reports back
Well I tried to change oxy sensors today on the ttc6. Now way it's an exhaust off job no facilities here ATM .
Also it only has 1 sensor on right bank other is a bolt !!
Here is the DTC it has as you said v rich and lean
Put noids on #2  flashing ok
Dunno why it is so imbalanced can't spot any leaks or other issues .
Don't really want to dismantle much of the engine etc
Oil on dipstick smells of gas too
------------------------------------------------------------------
I fricking bolt in place of 1 of the O2s should be and a screwed up exhaust to where cannot even get to O2s to replace them
I can see why the past owner dumped this C6, but now the new owner has a real task as once he corrects the O2s
I then cannot trust anything the past tuner did and have to start over and assume will find other issues and still not knowing
even if that LT2 can even handle dual turboboost levels :-(
You all in the UK need to crank this up and get good quality shops and people understanding the electronics of Corvettes
C6 runs like crap and should not be driven the shape it is in
I have the present owner email me some photos and OBD2 scanner data
I about fell over seeing thousands of miles away how past owner really F'd up this C6 and then hide the horror by having
most of the DTCs (error codes ) turned off, so others would not see what was hiding in that LT2 engine
First thing is I had the owner with tuning tools required to download the PCM's calibration as the owner states no DTCs are tripping but engine cannot
even idle correctly
I analyze that PCM calibration to see some asshole to hide all their screwups turned OFF all the engine DTCs !
I turned them back on and emailed the owner a tune which he flashed into the PCM and then started the engine with the OBD2 scanner recordings
Right away, DTCs begin tripping, and we can see all 4 O2s were not happy,
as mentioned someone did a piss poor job of shoving in 2 turbos, crap headers and exhaust, but now we know why the engine is on verge of blowing up
I have owner email me a photo of the top of the LT2
Look at this crap, that is NOT a stock 2005 C6 intake manifold, fuel rails or how stock the fuel system functions
If you look closely you see one bolt barely bolted own and worse other bolts missing !
I do not want this engine running at idle long nor want ANY further driving, so I have owner using OBD2 scanner recording startup ad short idle which he then emails me that recording which I analyze the raw data to find this cluster . . .
In short, one side of engine is running super lean, as much as 25% while other side of engine running way rich -10 %
so I instruct the owner he must get under C6 and look at all 4 O2 sensors, their wiring and the fuse for the O2 heaters
He reports back
Well I tried to change oxy sensors today on the ttc6. Now way it's an exhaust off job no facilities here ATM .
Also it only has 1 sensor on right bank other is a bolt !!
Here is the DTC it has as you said v rich and lean
Put noids on #2  flashing ok
Dunno why it is so imbalanced can't spot any leaks or other issues .
Don't really want to dismantle much of the engine etc
Oil on dipstick smells of gas too
------------------------------------------------------------------
I fricking bolt in place of 1 of the O2s should be and a screwed up exhaust to where cannot even get to O2s to replace them
I can see why the past owner dumped this C6, but now the new owner has a real task as once he corrects the O2s
I then cannot trust anything the past tuner did and have to start over and assume will find other issues and still not knowing
even if that LT2 can even handle dual turboboost levels :-(
You all in the UK need to crank this up and get good quality shops and people understanding the electronics of Corvettes