Car flat spot when accelerating. I'm pulling out into traffic and going nowhere. the engine is standard apart froma minisport lcb, 2" linkpipe and twin exit back box. and i am having problems with a flat spot as soon as you accelerate at any speed. Why does my car take a second to accelerate? Your engine either seems to bog down when you hit the gas pedal, or it takes a second or two to respond. After a few seconds, the power . alloy inlet manifold and a pancake filter. Dec 19, 2025 · Does your car stumble or hesitate when you step on the gas? Here's what causes this, how to find the culprit, and what it'll cost to fix. as soon as you touch the throttle there is a dead spot or pause and then accelerates and runs We would like to show you a description here but the site won’t allow us. Aug 12, 2017 · How can it be a characteristic of the car to be perfectly sound and zippy on one day and then high rev from start up and be sluggish & hesitate and judder and have flat spots on other days. as soon as you touch the throttle there is a dead spot or pause and then accelerates and runs A flat spot when accelerating often indicates a faulty carburetor solenoid, which controls fuel flow. The problem started a few days ago. Inspect the solenoid coil for continuity and ensure it activates properly when the throttle opens. Dec 4, 2025 · Hesitation during acceleration is a momentary loss of power, stutter, or flat spot that occurs when the driver presses the accelerator pedal. it has electronic ignition. This issue is challenging to diagnose because the Check Engine Light (CEL) remains off. 2d on an 07 plate. Its like im getting a flat spot when im flooring it. Feb 16, 2026 · I have done lots of work to get this car back to perfect but I have a slight flat spot on the accelerator and I have noticed when flooring it when it hits 6k rpms the engine cuts out and all I can hear is the turbo and then it goes to 7k and changes gear and engine cuts back in. I dont know how else to Describe it. i rebuilt the engine with new piston rings, gaskets and seals throughout. Its even worse when i have the a/c turned on . If you are in a situation where your mercedes benz feels like it's not speeding, even though you are pushing hard on the accelerator pedal, this hack should Aug 12, 2017 · How can it be a characteristic of the car to be perfectly sound and zippy on one day and then high rev from start up and be sluggish & hesitate and judder and have flat spots on other days. An engine that hesitates when accelerating is either sucking too much air, not getting enough fuel, or misfiring. We’ll help you identify what’s causing this issue so that you can resolve it and get back on the road. I've had this Problem Oct 14, 2016 · When talking about cars, the term ‘flat spot’ may be used to refer to two distinct issues with a vehicle. At the bottom of every gear, there's no power when i accelerate. Nov 3, 2024 · My 2007 ST225 has been suffering from an issue where the car sometimes has flat spots while accelerating, and doesn't flutter as much, while other times it drives and boosts fine How to fix hesitation under acceleration or heavy throttle in your car Professor DIY 15. new plugs and leads Apr 30, 2009 · i have a brand new holley 600 cfm vacuum secondary and electric choke carb on a new 350 engine with a 700r4 trans. Obviously this is a problem in First gear, pulling away from junctions. In this guide we explain what in either case occurs with a flat spot issue and how it can be Apr 30, 2009 · i have a brand new holley 600 cfm vacuum secondary and electric choke carb on a new 350 engine with a 700r4 trans. Jul 16, 2009 · I've got a 2. I await for news from Hyundai who have not been good at returning calls and replying to my emails! Jul 12, 2008 · Flat Spot When Accelerating - posted in Problems, Questions and Technical: i have a 1990 mini city that i have just fitted a 1275 engine into. These power dips, flat spots, loss of power or sluggish acceleration can ruin your drive, so we take a look at the possible causes for losing power whilst accelerating with many very simple Feb 25, 2025 · In this guide, we’ll break down all the potential reasons your car hesitates during acceleration, how to pinpoint the issue, and what you can do to restore smooth performance. A bit scary. I await for news from Hyundai who have not been good at returning calls and replying to my emails! We would like to show you a description here but the site won’t allow us. Dec 11, 2025 · But if your car is laggy when you accelerate, it generally indicates that your fuel is too rich or your engine isn’t getting enough fuel at the proper pressure levels. 3K subscribers Subscribe Apr 25, 2006 · Hey is there anybody that can help me out there? I have a problem. A flat spot can refer to a problem with either a car’s engine or one or several of its tyres. Feb 24, 2020 · This is the only solution for a flat spot caused by a long skid. When Im accelerating, i usually have loss of power or no power at all. djf pkn rri gec ngx utb niu irx act ral qlk udl yla jmm gii