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Power Commander-V & AT-300 Install How-To for your California 1400

William H. said:
To add to GTM's list of recommendations, send you injectors out to get cleaned, I finally did and felt a noticeable improvement on the engine.
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Dang! You're right! That is on the list. Will look into where and when I can get that done too. Thanks šŸ‘
 
Skysailor said:
First of all I did not do the SAS delete prior to completing the ECU Flash/PC6/AT300 installation. I did subsequently complete the SAS delete and I plugged the fuel vapor return port on the right cylinder intake as was recommended.
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These two things are HUGELY problematic to the kit. Exhaust air supply ā€œleaksā€ give the 02-sensors a false reading and cause the system to go way rich. This kit should NOT be used if both of these are not done fully.
A revised map is now required/mandatory.
 
GTMĀ® said:
These two things are HUGELY problematic to the kit. Exhaust air supply ā€œleaksā€ give the 02-sensors a false reading and cause the system to go way rich. This kit should NOT be used if both of these are not done fully. A revised map is now required/mandatory.
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Understood and for the record I did complete those items prior to you doing the remote tuning session with me. But I should have accomplished those things prior to my installation of the PC6/AT300 and sending you the initial map for review. Thankfully your remote tuning was done with both those items having been completed and seems to have been 100% successful. Thanks again for all your help.
 
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