I have a 2003 Ford Focus and it started sputtering a month ago. Driving I can not give it more than 1/2 throttle without it stumbling really bad and shaking. I have cleaned the throttle body and replaced EGR valve so far. - Mustang Monthly Thread starter new to FORD; Start date Oct 28, 2013; new to FORD New Member. It will restart immediately, but still sputtering and dies again. my 2003 ford mustang is sputtering and the check engine light is blinking no code If i floor the gas while moving it - Ford 2003 Mustang question The 2003 Ford Mustang has 227 problems & defects reported by Mustang owners. 5 people found this helpful. what does this indicate and should i Seafoam this engine to clear out some gunk. Hope to see you on the forums soon! 1994-2004 V6 Mustang Tech. Torque converter (automatic transmission only) may not be locking at the right time, or it may be slipping. … The worst complaints are windows / windshield, engine, and electrical problems. I've put gas treatment in and if I keep a full tank it's fine, but once it gets around half a tank it sputters. i changed the air filter and removed the rubber gromet that feeds the intake and added a double dose of fuel injector cleaner. Though we all love our mustangs, from time to time they needs repairs that we might not know about. what about the rubber gasket? We are the oldest and largest V6 Mustang forum on the internet. 115K miles, bought car with 65K. You can measure the gap on the plug using a gap gauge available from any auto parts retailer. Fuel Pump Kit Features and Benefits: - Fits 1999-2000 V6 and GT Mustangs - OEM style replacement - Factory connectors - 130 LPH ( Liters Per Hour) - Easy to install. $94 . These are the symptoms that you should be aware of. Service Area. i have replaced the maf, tps, and the temp sensor. Average rating from customers who received a Engine is sputtering Inspection. ACTION Diagnose engine for engine misfire concern. The exhaust note can also use a bit of work as well, depending on what you're going for. I have a 2003 grand prix and recentl went on a road trip. 2013 Ford Mustang V6 Premium My 2013 v6 mustang was my first car, bought used with 30k miles and still after 100k it is running great. Aim for between 0.052 and 0.056 thousandths of an inch. Mustang Forums. If you have any questions about your V6 Mustang or just want to connect with other V6 Mustang owners around the world, you have found the best place on the internet to do that. http://www.v6mustang.com/forums/v6-mustang-how-to-important-articles.109/. From 0-30 mph it sputters when accelerating. JavaScript is disabled. Can't get any acceleration only can do 20-30 mph. Then it pops out both pipes and dies. With a simple, secure transaction. sometimes it back fires wen i try to crank it but does crank after two or three tries. Hi! 115K miles, bought car with 65K. and i was looking and the exhaust is stainless steel is this factory? So why are you sitting there, bogged down, pumping the gas until your little engine that could finally muster enough power to come up to speed? They're sailing right on through. cuz i am used to seeing a big hunk of cast iron coming off the engine and looking on replacement parts at autozone it shows a dorman exhaust manifold as an ideal replacement. I've been struggling with misfires ever since my intake manifold cracked. Hello all, i have a 2007 mustang GT, majority of the mods are bolts ons with a bama tune. I got worse than normal fuel mialage so I change my fule filter. i did not know about a rev limiter and i think i need to learn some more about my car. Mark helpful. If that's your experience, then there are a number of things you can check out first before heading to a mechanic. 2000 Ford Mustang-General. Adjusting the gap too high can cause misfires in the engine. 20 August, 2019 Reply . We're not talking about a knocking engine or one that idles rough or stalls.We're talking about engines that start easily and accelerate smoothly, but then, after a few minutes at a steady speed, either surge in speed or misfire, causing the car to "buck." They said my alternator read "Phase 2 - Open" which I would assume is a bad diode. SELECT VEHICLE. I currently have 160k miles on it. The seats are nice leather that have held up over the years. The Ford recommended spark plug gap for the Mustang engine is 0.054 thousandths of an inch. The color of the exhaust can tell you what type of repair or adjustment you might need. Fixed engine problem light still on 2003 Buick century drove over 60 miles light remains on problem is canister vent solenoid. They're sailing right on through. Here is a list of the 7 most common ones. The car runs good at idle and at cruising speeds. ... left the shop and its STILL sputtering/miss! For a while after fixing, all is well, but always returns to the sputtering stage. 2002 Ford Mustang. I have buddy car is all stock got some miles on it. my 2003 ford mustang gt service engine soon lite is on. my 2001 mustang v6 sputters and shakes in reverse and at random when accelerating, however it does not do it while sitting in park even if I rev the engine.It does not do it when changing gears moving forward, in forward motion it seems to be tied more to when the accelerator is mashed a … I have an 03 mustang 3.8 auto with 90k miles, its sputtering and no check engine light on. Only "problems" involve tire change, battery replacement, and a recent alternator rebuild (3 months ago). So I figured must be a bad plug or coil. Well, EGR problems depend on whether the valve is stuck closed or stuck open. replacing this looks expensive and as i am looking the gas tank grommet is easy and not costly. It has no power, it's hesitating, sputtering and backfiring when accelerating. Ford Mustang Bad Fuel Pump Symptoms. thanks again. Smoke coming out of your tailpipe is a scary sight, but it can mean a lot of different things. And occasionally when gradually accelerating. The good news is that, in many cases, an engine that is running poorly can be repaired for very little money. The most powerful of all is the supercharged version installed on the SVT Mustang 2003 to 2004. It was fine for the drive home but I now get the sputtering when taking off until I get up to higher rpm's. 23 November, 2019 Reply . My 2003 ford mustang is sputtering and the check engine light is blinking no code. If i were to put it in nuetraul and rev it, it will not do it. 20 August, 2019 Reply . I have the club package which includes a glass roof which I have always really enjoyed, for road trips especially. I have to pump gas a lot to start my 00 ford v6 3.8l mustang and when take out of gear it dies. Juuust long enough for every car behind you to honk, flip you the bird, or angrily swerve around you. 1999-2004 Mustang V6 Performance Parts . If you see a symptom that looks familiar, read on to find out what a possible fix can be. 2003 Mustang V6 - Intermittent sputtering at idle, occasionally while driving, especially when accelerating uphill. Take a close look at you exhaust on the engine. Yesterday, the Service Engine Soon light came on. There are physical signs that you can feel when your Mustang’s fuel pump is going out. I took it to the mechanic and they couldn't pull any codes so they thought it was caused from my rear tires not getting transaction cuz they were bald. just email me at kennethwaldrop@ymail.com Posted by Nina at 7:26 AM. Any idea why? Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. If you have any questions about your V6 Mustang or just want to connect with other V6 Mustang owners around the world, you have found the best place on the internet to do that. Bill. Then it may be time to replace the fuel pump. they also informed me that my radiator was leaking and that ill have to have it replaced soon. What Could Cause My 2002 Ford Mustang To Sputter And Miss When I Accelerate Ther Gas. If I rev it off idle it stumbles really bad but if i give it just a little gas then rev it it feels fine. This trouble code detects that the fuel rail/system pressure is too low. Email This BlogThis! This version has a double camshaft (DOHC) and has four valves per cylinder. 0 Posts . But instead of moving when you hit the gas pedal, your car hesitates. It will restart immediately, but still sputtering and dies again. While we all appreciate the 3.8L and 3.9L V6 engines of the 1999 to 2004 base model Mustang, they lack a little bit of the juice their big brother V8 offers. websites books articles anything. i need to drive it home today. These codes can cause you to fail your local vehicle inspection, or at the very least can result in that alarming orange glow to appear on your dashboard: the Check Engine Light. 2004 Marauder and 2003-2004 Mustang vehicles built before 12/19/2004 equipped with 4.6L 4V/5.4 4V engine may exhibit a runs rough, lacks power, and engine misfire, prompted by a MIL light and DTC codes P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, and P0316. The worst complaints are body / paint, electrical, and transmission problems. Is your 1999-2000 V6 or GT Mustang sputtering while driving or having other issues getting fuel? V6 - Intermittent sputtering at idle, occasionally while driving, especially when accelerating uphill the ground daily driven up! 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