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The Terminator
Engine/Tuning
2001 SVT Cobra stalling issues.. Help
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<blockquote data-quote="Roush6018" data-source="post: 16958553" data-attributes="member: 78571"><p>if you change the MAF size (from 80mm stock) then the ECU needs to be adjusted to the new 90mm MAF you want to run. same with changing your injectors from 24LB to 39LB. i did try to install a aftermarket MAF on my 03 cobra, the car started and idle for couple mins, then while driving it ran pretty bad and then would just stall out. the car did not run with the stock tune and bigger MAF. </p><p></p><p>i had the car dyno tuned and my stock ecu was adjusted to my aftermarket MAF and my car ran better. i had a weak alternator issue causing some fuel pressure drop.</p><p></p><p>i suggest try to install a stock 01 cobra 80mm MAF and Stock 24 LB injectors and run it on a stock 01 cobra computer and see if the stalling is fixed .keep on the CAI, ACCUFAB, HEADERS, EGR DELETE, EVAP DELETE AND CAMS. if so then the stalling is related to the 90mm MAF readings not being read correctly by the computer becuase it thinks you have a 80mm MAF still and it will shut the engine off while trying to drive it to prevent damage to your engine (lean condition from improper MAF signal)</p></blockquote><p></p>
[QUOTE="Roush6018, post: 16958553, member: 78571"] if you change the MAF size (from 80mm stock) then the ECU needs to be adjusted to the new 90mm MAF you want to run. same with changing your injectors from 24LB to 39LB. i did try to install a aftermarket MAF on my 03 cobra, the car started and idle for couple mins, then while driving it ran pretty bad and then would just stall out. the car did not run with the stock tune and bigger MAF. i had the car dyno tuned and my stock ecu was adjusted to my aftermarket MAF and my car ran better. i had a weak alternator issue causing some fuel pressure drop. i suggest try to install a stock 01 cobra 80mm MAF and Stock 24 LB injectors and run it on a stock 01 cobra computer and see if the stalling is fixed .keep on the CAI, ACCUFAB, HEADERS, EGR DELETE, EVAP DELETE AND CAMS. if so then the stalling is related to the 90mm MAF readings not being read correctly by the computer becuase it thinks you have a 80mm MAF still and it will shut the engine off while trying to drive it to prevent damage to your engine (lean condition from improper MAF signal) [/QUOTE]
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Engine/Tuning
2001 SVT Cobra stalling issues.. Help
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