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Can anyone tell me what fault code 74 means? PRO Fault Code - - YouTube. P0480 74 Fan 1 Open P0480 75 Fan 1 Short P0481 76 Fan 2 Open P0481 77 Fan 2 Short P0170 78 … If assistance is required or if you need further warranty clarification, please call FiTech EFI (951) 340-2624 or email warranty@fitechefi Caution must be observed when installing any … Code 74: One person had the fan set to turn on but was not using a fan. It was pinched and acted like a check valve holding vacuum on the MAP sensor. Have fault code P0208 injector circuit fault. listcrawler trans miami the engine starts well and runs well. Fault eds Fitech injection efi 400hp Fault code. FiTech sent the unit back to me and said the IAC needed to be reset in the ECU. Fuel pressure at 42 while running. Most codes (1) were provided in Aug of 2024. best iwb holster for lcp max 600Hp unit on a Chevy 383 in 66 corvette using a Tanks Inc tank with GPA-4 pump on keyed relay, LS style regulator, MSD 8572 phased/locked out distributor … Learn how to adjust the ignition, fuel, and fan settings of your FiTech EFI system using the handheld controller. Many people solve this issue, but is install specific on each one. Check the alternator output voltage to ensure it is within the manufacturer's specified range. Fault Code 74 indicates the transmission is unable to use system controls to synchronize during a shift. If you’d like to erase any recorded faults, click “OK” or tap “Clear” from within the Fault Code screen. 995 Satisfied Customers. the nearest gnc 5 idling) Shut it off and restarted and the fitech read an AFR of 17 and it was changing a bit down to 16 etc. ….

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