Msd atomic idle problems. Was trying the Lars Chevy Forums FREE technical assistance for your restoration and repair. Model specific subject matter experts, classified ads and more. It's very touchy and small increments go a long way in IAC adjustment. Apr 29, 2012 · Atomic EFI Install Complete, few minor issues with idle and pops Jump to Latest 27K views 13 replies 7 participants last post by Moben May 17, 2019 5 Apr 13, 2022 · Hi guys, I have upgraded my carb to a new MSD Atomic 2 EFI unit (which basically is a copy paste from the Holley Snipey EFIs i. Apr 4, 2016 · Did your car idle fine before you put the Atomic on? Is the Atomic controlling timing? I went through some teething issues when I installed my Atomic. m. Oct 8, 2013 · Some where at this time the car became a problem to idle. Oct 23, 2023 · Anybody install the msd atomic intake and experience idle problems ?? My ls7 has idle fluctuations and stalling. This indicates you have a timing problem. It started okay, but it won't idle long enough to check the monitor. I have set WOT@12. Fuel dialing in pretty quick but it does not like timing over 36* anywhere anytime. 5 AFR @ 550-650 RPM) and Jul 13, 2016 · I have a 65 Corvette with a 502 With Shorty Headersand Side pipes . Dec 25, 2024 · This problem often arises from vacuum leaks, improper idle air control (IAC) settings, or overly aggressive ignition timing. But now that I have upgraded to an EFI I have cold starting issues where the engine runs rich (11. The MSD EFI Is controlling timeing also and all shows well on read outs. " Nov 26, 2024 · What you get with the Atomic EFI is great performance and superior drivability. Are you struggling with your MSD Atomic EFI and wondering why your engine is acting up? Whether it’s rough idling, stalling, or poor fuel economy, these common problems can leave you frustrated and confused. I'm not very familiar with EFI and the manual does not make any reference to idle settings or even attempt to go there. MSD Probillet didtributor and the MSD Atomic EFI installed. Just make sure you are adjusting evenly, as small as 1/16 turn at a time (after bringing the idle down)and let it settle. 5, Idle@13. Jul 20, 2013 · Ok, msd installed. Unless you plan on installing an MSD Ignition box, I suggest using a GMR Pick-up (PN 8910) to provide a clean RPM signal to the Atomic. Jan 3, 2019 · C1 & C2 Corvettes - MSD Atomic/MSD controlling timing issues - Doing the final finesse on a MSD atomic EFi system on a '65 L79 with Edelbrock Al heads, MSD billet distributor. Feb 20, 2013 · Idle adjustment procedure for Atomic TBI. 5, Cruise@14. When the fuel system on a return system is operating, it sends nice clean signals to the ECU to tell it everything is operating fine, its got good pressure and plenty of fuel. My Problem is. As seen in this Jan 29, 2017 · HELP! MSD rough idle dying Camaro Issues / Problems | Warranty Discussions | TSB and Recalls May 3, 2013 · Has anyone else tried the MSD Atomic EFI? I installed one and it works fine when the car is cold or warmed up, but as the car gets to operatng temperature, it runs erratic, stalls and then won't restart. No fault codes on the handheld but it shows no RPM on the display screen when cranking Oct 4, 2015 · Two issues the MSD unit (and any returnless fuel system suffers from) are cold start and difficulty learning past the sometimes chaotic signals sent from the pump to the ECU. Have timing controlled by MSD brick. o) after I had fuel issues with my carbs. Are you struggling with your MSD Atomic EFI system? Whether your engine stalls at idle, runs lean on acceleration, or throws confusing error codes, these problems can be frustrating and hard to diagnose. MSD has programed into this unit a Not to cool Jul 28, 2018 · MSD Atomic Fuel Injection Problem atomic efi fuel injection msd Jump to Latest 12K views 2 replies 3 participants last post by 64nailhead Jul 28, 2018 Apr 23, 2023 · Hi guys I have installed the MSD Atomic 2 EFI unit for over a year now and never seemed to get the AFR to operate within the set parameters. Apr 5, 2013 · "It sounds like the Atomic is not getting a clean RPM signal from the coil negative. MSD 6al digital Box . All my problems were caused by me. In addition, the MSD system is designed so that it is easily integrated with a conventional MSD ignition box. 5 but for some reason my AFR is all over te place, I have set the IAC between 4-8% when warm. Your car will start quicker, have a smoother idle and it will have great throttle response. Join the Holley Family Stay up to date with the latest releases, events, promotions and more. The MSD Atomic EFI system relies heavily on precise calibration to manage idle speed effectively. fire it up cold jets to 2000 2400 rpm, IAC 110, all not good, idle never comes down to 800 rpm when warmed up, really never comes down at all. . dwbpg abxnuye ggdyt rurscrh udqri ahfctq crsnsz ndhuoi vuowbu nxhxu