Agreed with Fred that a scan for fault codes will be needed. If your car is losing power when accelerating, many things could cause it. If your car engine doesnt sound like usual, there is a chance that a spark plug is worn out and the car is running on one cylinder less than usual. If the weather is cool and the engine is overheating, this points to a more serious problem. An avid car enthusiast, I love spending time researching new cars and seeing how technology improves each year. If your engine warning light is on, this is a sign that there is a significant problem with your vehicle that requires the attention of a qualified mechanic. When I drive the car is fine but when I have one or two passengers the car struggles to move as fast it moves really slow. The most common causes for slow acceleration in Vauxhall Astra are clogged air filter, dirty mass air flow sensor (MAF), clogged fuel filter, fuel pump malfunction, faulty oxygen sensor, dirty throttle body, worn spark plugs and clogged catalytic converter. Although the administrators and moderators of RAC Forum will attempt to keep all objectionable messages off this site, it is impossible for us to review all messages. No engine light comes up. When driving about 5 mph the car suddenly stopped moving. When looking for the reason, you should always start with the most obvious causes, problem with air intake or fuel supply. The catalytic converter is part of the exhaust system in Vauxhall Corsa and its main purpose is to convert exhaust gases that are harmful to health and the environment into less harmful byproducts. The engine may also be much noisier than it normally is, sounding more like an aeroplane taking off than a car. By agreeing to these rules, you warrant that you will not post any messages that are obscene, vulgar,sexually-oriented, hateful, threatening, or otherwise violative of any laws. After reading this response researched you tube and web 're changing coil and wow how easy took it off and corroded took less time than plugging a diag code reader!!! engine warning light and escape service on. Regularly cleaning them can help improve their function. If the fuel filter gets clogged and the fuel does not reach the engine chamber in the right quantity, the engine will not perform at its optimum level. Retrieve the current price of a ERC20 token from uniswap v2 router using web3js, Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. Because the additive is poured into the fuel tank and gets through the entire fuel system and the engine. What Causes Loss of Power When Accelerating? In case you didnt already know, limp mode is a feature that protects your engine from further damage. If the liquid changes color, then there is a leak in head gasket. The fuel filter is located in the engine bay or near the fuel tank in your cars trunk. you can also get some stuff at auto zone or where ever to put in your cars coolat that has a pair of glasses and the stuff you pour it in and you use the glasses to look for your leak that will be aperent with the glasses on they also make a device that will tell you if your head gasket is blown bye screwing on your radiator and the salution will turn color telling you there is exaust fumes inside your cars coolant. Vauxhall Corsa tends to have similar acceleration issues, damaged transmission could also be causing the lack of acceleration, Vauxhall Astra 2.0 CDTi Engine Problems: 7 Common Issues, Vauxhall Corsa Not Accelerating (5 Main Causes), 5 Reasons Vauxhall Corsa Wont Start (Causes & Solutions). Great running little car until it started over heating so they replaced the water pump and it was okay but still running very hot. This causes loss of power and jerking of the vehicle when accelerating. A deficient spark plug causes the engine to misfire, making your car jerk when you accelerate. One of the main causes of a faulty throttle is internal contamination. If the spark plugs are dirty or even damaged, the car would not give off the spark. What exactly could be the problem? when your car heats up and you have a leak in let's say your radiator you will see it comming out In the form of steam .I hate how every body says and assumes head gasket there can be 20 other more than likely senerios like if you notice your cars getting hot and checked and noticed your car didn't have water you are probably smart enough to keep at least water in it its probibly just a fault in your cooling system like a leak.if it was your head gasket you would still get SOME type of pressure in your cooling system check for steam right when your car over heats after you put coolant in ,I'd use water for the test coolants too expensive to be just leaked into the street check your floor panel see if its wet that would be your heater core check the floor under your vehicle right when you fill it .see if the leak is apparent. Underinflated tires can have a significant impact on the fuel economy of your Vauxhall Corsa. Would the reflected sun's radiation melt ice in LEO? Steering, Suspension, Brakes, Wheels & Tyres, It flashes up brake problems and it flashed up saying something about engine problems and then it shudders and lose speed, I have to wait about 20 seconds after starting the car before I can take it out of park and put it in drive is this normal. If you continue to drive with a defective spark plug, you run the risk of very expensive consequential damage, for example catalytic converter failure. For diesel cars, the diesel particulate filter (DPF) could also get blocked. The loss of power when accelerating in your Vauxhall Astra often stems from the same set of faults. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The purpose of the fuel filter is to ensure that dirt and debris stay out of the fuel system, so over time, it may need cleaned or replaced. I have had it plugged into a diagnostic machine and it comes up as throttle body wh My Corsa ticks over fine but whilst driving and accelerating the engine just does nothing and slows down. When it rains it starts loosing its power and the smokes gets very black. There are many causes for a backfiring exhaust, including problems with the fuel pump, leaks in the fuel tank or issues with the carburettor. While there is a wide range of problems that could impact your power, there are a number of common offenders that could be slowing down your journeys. I know Corsas aren't the most powerful cars in the world, but it certainly shouldn't be running like it is. The Fora platform includes forum software by XenForo. There are many reasons why your Vauxhall Corsa is not accelerating properly. If the air filter is dirty in your Vauxhall Corsa, it can have a negative effect on the performance of the engine, as less air passes through the dirty filter which suffocates the engine. Some injector cleaners can cause damage to the oxygen sensor. The best answers are voted up and rise to the top, Not the answer you're looking for? Car runs perfectly with no faults detected on obd scanner. Ignition off, put both accelerator and brake to the floor and turn the ignition on but dont start the engine. Accelerating hard at 20 mph in 3rd or 30mph in 4th would have made most cars 'pink' in the days before 'knock sensors' were invented and linked to the engine management system, which retards the ignition to minimise the noise. Car Audio / Electrical / Security / Diagnostic Rel. very slight judder. If there is any fault in the oxygen sensor, it usually illuminates the engine check light in the instrument cluster of Corsa. The exhaust removes all the harmful and unnecessary gases from the engine. Since the sensor is one of the most sensitive components in your vehicle, you should visit your mechanic and have them assist in the process. Air Leak Between Throttle Body and Intake Valves. After a few seconds of checking under the bonnet, I noticed a dark line on the the side of the pipe. Having a problem with your Vauxhall Corsa? I love sharing my knowledge and experience with you to help you prevent and even deal with some of these issues before they become fatal!!! Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. If you dont follow the maintenance schedule of your Corsa and dont change the fuel filter on time, the permeability of the filter drops and so does the fuel pressure in the engine. Driving your Vauxhall Corsa with engine hesitation or slow acceleration is not only infuriating, it can also be dangerous when overtaking or when crossing an intersection. However, a damaged transmission could also be causing the lack of acceleration. If you feel your car is accelerating more slowly than usual, it could be a sign of a clogged catalytic converter. Probably a head gasket leak. . Cheers jphil. If you would like to cancel the registration, click here to return to the forums index. And I was going up hill, I floored it . Any ideas? However, sticking to a regular service plan would also ensure that the filters are clean and it would keep them in optimal condition. No idea what this means. If you would like to cancel the registration, click here to return to the forums index. Bebo nostalgia: Old screenshots and images. Your cars catalytic converter cuts down on harmful emissions by using catalysts to convert harmful pollutants into water and less harmful gases before releasing them via the exhaust. The symptoms of defective throttle position sensor in Corsa are usually reduced engine performance, engine jerks, RPM fluctuations when idling and a slow drop in speed after the driver has released the accelerator. However, caution is advised here, as the sensor parts are very sensitive to touch. I've read it could be a faulty lambda sensor, or MAF. However, if there is a leak, the compression rate drops. It is not only important for power delivery in your Corsa, but also for the lowest possible pollutant emissions. The oxygen sensor also affects the fuel injection system, so its necessary for it to function properly for your car to run smoothly. The most likely issue is a clogged fuel filter. In most cases, this particular trouble code will appear whenever there is a tear in the rubber pipe. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better. I have recently had my accelerator pedal changed due to loss of power when changing through gears. Reduced power Throttle block not opening thus reduced power.. Can anyone please help me with this problem. Feel your car is losing power when accelerating about 5 mph the would... 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