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GM Technical Document Discussion
Fitting an aftermarket exhaust to VE Models
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by gruntly69 » Fri Mar 16, 2012 11:45 am
Howdy,
I thought fitting an aftermarket system to the alloytec's required a change in the PCM calibration to with oxy sensors not working correctly?
Cheers Grant
I thought fitting an aftermarket system to the alloytec's required a change in the PCM calibration to with oxy sensors not working correctly?
Cheers Grant
by msenj » Sat Mar 17, 2012 11:00 pm
gruntly69 wrote:Howdy,
I thought fitting an aftermarket system to the alloytec's required a change in the PCM calibration to with oxy sensors not working correctly?
Cheers Grant
I can't see why, and I haven't had any issues with mine... Provided all 4 sensors are in place, there shouldn't be any issues.
(The exhaust on my LE0 Alloytec is from an E1 series Clubsport though, so it's not entirely aftermarket.)
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by ZerOne » Sun Mar 18, 2012 8:50 am
The Xforce 3" fitted in the above doco was fitted to a V8 model.
I originally had one of the post HEGOs running lean, but that was because I was a bit of a dodgy bastard, and had an air leak between the Cat, and the exhuast.
Once I fixed the leak, everything was fine.
Over the radiator cold air intakes (Or any intake that moves the MAF position closer to the throttle body) will trip the check Engine light though. (For both V6 and V8 models).
I originally had one of the post HEGOs running lean, but that was because I was a bit of a dodgy bastard, and had an air leak between the Cat, and the exhuast.
Once I fixed the leak, everything was fine.
Over the radiator cold air intakes (Or any intake that moves the MAF position closer to the throttle body) will trip the check Engine light though. (For both V6 and V8 models).
8 posts
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