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Hi guys, This fuel injection stuff is new to me... I'm trying to get my car's fuel injection/computer checked out before Ocean City Maryland cruise weekend this weekend but I'm about out of time. The car runs ok but it's not 100% and I want to at least have it checked out. The motor is a stock 99' firebird LS1 and the previous owner gave me his Diablosport Intune. I tried to mess with it a weekend ago but didn't really get into it. I spoke to a local shop Friday and apparently a newer guy answered the phone and said they could plug it in and check out it. I get there today and he's not there and the owner tells me it's not that simple, says they sell diablosport but they don't really tune them, more into HP and SCT (Brands I guess). He says if I know the computer's serial number that helps and they'd need three days to get a new map built. I don't know if I need all that right now but just wanted it to get checked out. I couldn't find my Intune tuner before I went there which didn't friggin help but then of course I found it immediately when I got home. I think I'm going to try and mess with the tuner myself again. It looks like you can do a ton of stuff with it but it was a little hard with the small screen. I immediately hit an acronym I didn't understand last time i messed with it and I only have a quick start guide, I'm going to get in touch with Diablosport soon and see if there is a glossary or more detailed instruction manual and ask them if they know any shops that actually tune rather than just sell their product. Does anyone have any Diablosport experience or know any shops in Maryland that might be able to help me out? Either way I'll post any progress I make. Take care fellas. P.S additional reading if you want. My fuel injection experience is limited to my 2010 Ducati Hypermotard 796. Years ago I installed a full exhaust on it and purchased a Bazazz piggy style back ecu for it (like a power commander). Well that turned into a crapshoot. The Bazazz units apparently don't talk well with the stock Siemens computers on those bike's, I needed to get my ECU reflashed for it to work together which is what I thought I was avoiding. A new fully tunable dedicated ECU is twice the price which is why the piggy-backs are attractive but after reflashing the ecu and you're spending the same money anyways so I screwed myself. I went back and forth with my shop and Bazazz and got annoyed with Bazazz and ended up telling the shop (Ducpond) to pull off my tuner and send the stock ECU to Redline in Virginia to get a flash and dedicated map installed on it for a similar exhaust, the bike has run pretty well ever since. Anyways I don't think or don't know if I'm in a similar situation to my Datsun's ls1 right now. Why does it matter if I go somewhere who can or can tune Diablsosport stuff. Is it something with the car's OBD port that's now proprietary to the Diablosport tuner? I thought any shop would be able to plug into my car and check out the fuel injection. I'm a bit confused obviously but I'll learn this stuff soon here.