VT V8 dtc 45 removal

Holden/Delco Tuning. ALDL, OBD 1.5. Circa 1989 to 2004.
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shane1
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VT V8 dtc 45 removal

Post by shane1 »

Hi guys ,
Im having trouble with a VT v8 intermittently throwing a dtc 45 rich exhaust code. does anyone know where this lives in the code so i can remove it. The engine is well outside the normal parameters , 383ci big cam , 10 psi boost etc . Just want to remove it alltogether as it comes on once every now or then and is annoying .
Cheers Shane.
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Holden202T
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Re: VT V8 dtc 45 removal

Post by Holden202T »

what code are you running on the motor ? what xdf are you using ?
shane1
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Re: VT V8 dtc 45 removal

Post by shane1 »

$a6c enhanced .v.80
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Holden202T
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Re: VT V8 dtc 45 removal

Post by Holden202T »

it doesn't look like its defined in that XDF ... so unless someone has the information on what address that flag is located im not sure that there is much you can do!
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VL400
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Re: VT V8 dtc 45 removal

Post by VL400 »

Attached is an XDF with the flags defined. One flag stops the code from being processed or checked, while the other allows the code to be logged but no CEL is displayed.

Obviously the best way would be to try and fix the issue that is causing the rich fault code but this will stop the code!
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VT_V8_$A6C_Enhanced_v0.80.xdf.zip
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shane1
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Re: VT V8 dtc 45 removal

Post by shane1 »

Thanks ,
Believe me if i could fix it from throwing the code i would, but the scope of the xdf and the size of the camshaft while still using a maf (a card style maf in a 4 inch pipe) mean its amazing it runs at all let alone keeping within the original o2 boundarys. Making crazy boosted power with a vt is a great way to turn your hair gray.....
Cheers Shane
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Re: VT V8 dtc 45 removal

Post by antus »

Its true, but its possible :)
Have you read the FAQ? For lots of information and links to significant threads see here: http://pcmhacking.net/forums/viewtopic.php?f=7&t=1396
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