2010 Silverado 5.3 lc9. Tune in my truck has been great for over 3 years but now my ltft are -15. And exhaust pipe is black. No codes are set and no misfires at all on tech 2. I don’t want to adjust anything due to this rich condition since it runs great. Possible maf , air filter is new. Truck only has 53000 miles. Any ideas what I can do
Thanks again
2010 Silverado -15 ltft help
- mikel
- Posts: 57766
- Joined: Tue Jan 16, 2007 1:17 pm
- Location: DiabloSport World Headquarters
- Contact:
Re: 2010 Silverado -15 ltft help
nothing changed and suddenly the trims are -15 at cruise?
If so its tough to say if its MAF or O2 related, but if its both banks, MAF seems most likely.
If so its tough to say if its MAF or O2 related, but if its both banks, MAF seems most likely.
Mike Litsch
DiabloSport Brand Manager
Diablo Tech support by phone:
561-908-0040
M-F 8:00 AM to 5:00 PM EST
tech@diablosport.com
DiabloSport Brand Manager
Diablo Tech support by phone:
561-908-0040
M-F 8:00 AM to 5:00 PM EST
tech@diablosport.com
Re: 2010 Silverado -15 ltft help
I just replaced maf with oem and I’ll put some miles on it and check but after warmup the numbers have got better. It had no misfires and both banks were average -15
Re: 2010 Silverado -15 ltft help
Get a can of CRC Mass Airflow Sensor Cleaner and spray clean the MAF sensor.... and make sure you re-install it facing the correct direction... and that all connections/clamps are TIGHT so no air leaks anywhere....
06MonteSS / DiabLew Tune
2014 Camaro SS - 2SS, RS pkg., short-throw shifter, NPP perf. exhaust, BMR strut-tower brace, Cold Air Inductions cold air intake
www.diablewtune.com -- www.diablocustomtune.com -- www.diablocustomtunegm.com -- www.diablocustomtuning.net
2014 Camaro SS - 2SS, RS pkg., short-throw shifter, NPP perf. exhaust, BMR strut-tower brace, Cold Air Inductions cold air intake
www.diablewtune.com -- www.diablocustomtune.com -- www.diablocustomtunegm.com -- www.diablocustomtuning.net