Injectors are the easiest thing to check though. Many thanks. So, in this article, I’ll try my best to help you understand how the various symptoms from dirty injectors present themselves and how you can learn to notice the. Hello jack, I have a mazda mpv 2005 with a similar symptom like above mentioned. Why? The importance of cleaning clogged fuel injectors cannot be overstated. Great article indeed, my car had those stmptoms and u used an additive from a supplier in SA, product not on the list though, i have since noticed amazing results, my car has even drastically dropped in fuel consumption with about 20 percent as well as emissions. thanks in advance. Ive been looking for what could cause this and started to look into the injectors. Many of the issues I’ve read appear here to be symptoms of worn timing belts and possibly failing fuel pumps. Fuel Injector cleaning – How to clean Fuel Injectors. I changed the fuel pump and fuel filter checked the relay change the cat. bimpfuelwngineers.co.za for those who would like to look into the additive, I have found a warning on Valvoline (Ashland) fuel injector cleaner: ———– “Do not exceed 5 doses between oil changes” – WARNING on the bottle ————————————————————, I wanted to know more about the side effect and which way in could contaminate or degrade the oil. My drive is fine only when I stop or idle then it shudders… What can it be. I am guessing that the cleaner has removed a bunch of stuff and has clogged the fuel injectors.
When something goes wrong with this sophisticated technology; it can feel intimidating for many car owners; leading them to often take their vehicles for a professional diagnosis.
Also in curious as to why in the heck a brand new vehicle would have clogged fuel injectors in the first place! If you plan on running up high mileage on your car; then there are a few things you can do to help. It only got worse. As for availability in South Africa – I’m afraid I don’t have much knowledge about that. My truck has all the symptoms above. Engines are complex pieces of machinery and there are usually several parts in the system that can produce similar symptoms when failing. If an engine isn’t running efficiently; this can load extra pressure on injectors. New plugs…air filter…ethanol treatment…not good.
Hi jack, I have a 97 Chevy 1500. But at this point it completely shut down and refuses to start again . .and crancase is getting pressurised. […], There is a condition that contributes to many failures of engines generally referred to as “fuel wash”. This car is barely over a year old!
If I spray starter fluid into the air intake of course it will start. Could be a crank/cam sensor.
I had a few people tell me it has to be the injectors or MAP/VAF sensor. This will help to keep injectors, fuel pumps and fuel lines clean and clear of carbon build ups. When I use the steptronic it works very well, though. i hope this helps and good luck.let me know if you need anymore info. How can I tell? This morning it wouldn’t start at all . Well, to put it simply – Fuel injectors have the important job of dispersing fuel into the engine at the exact angle and quantity needed for the engine to operate optimally. Is it my injectors? Hoping it will continue to get better. I have a 2003 Lincoln LS v8. But to do this they first have to flush my injectors, which they did just 5mths prior. And in many cases can lead to an easier diagnosis of the issue, as the lack of spark plugs in diesel engines mean that there’s one less potential cause for the problems. The majority of customer reviews stated how their car s gas mileage improved. It tried to start but just wouldn’t go through all the way. Please advise.My appreciaton. If you believe that an injector has failed, do the screwdriver test and listen for the clicking noise an injector makes as it fires. Fuel pump has been replaced i tested the relays they’re all fine i replaced the ing module on the dist and thats not the issue the main comp was replaced still not the issue! Getting diagnostics done at a repair shop isn’t usually very expensive (though solving the issue might be), so you may as well get a professional opinion on the issue. Warped rotors? I’ve put a brand new alternator starter battery and fuel pump on it and it still ain’t getting gas, hey david,im pearllea just a little info,your altenator doesnt exactly keep fiuel from flowing unless vehicle wont start. Thanks for the advise ,I will buy ejector cleaner and have the plugs changed as well. I had another mechanic look at it and he believed it was fuel pump and filter so I replaced them but still no luck. These are all fuel & air metering injector circuit related codes. Thanks, Awesome article. About 3 weeks ago the car started idling terribly (shaking and missing like it was about to switch off), it then started ‘pulling’ to one side whenever I went up hills. Hi do a fuel pressure test, could be a clogged fuel filter , or fuel pressure regulator or fuel pump, look on Utube on how to do not that hard good luck. I have a 2008 toyota Tacoma 4L 4×4. Kitchenistic helps you find the latest and gratest Is it safe to drive? I have a 2006 Pontiac Grand Prix. My 2003 V6 Ranger was misfiring and after about 5 miles the Check Engine light blinked a little then stayed on. What’s your opinion on this Jack? Since injectors rarely go bad, most of these people should start diagnosing in other places. All rights reserved. Do u recomend replacing. In the morning its easy to start,only when the engine is hot that i have difficulty to start it but sometimes ok to start it. And despite the issues dirty injectors can cause, early symptoms aren’t always noticeable because modern engines have internal sensors and computers that can adjust the fuel mixture to compensate for minor errors. This causes any fuel left in the injector to evaporate; leaving behind hard deposits inside the injector. I will try the fuel cleaner anyway, but do you think if it doesn’t help then an injector may be damaged? I have 95 Nissan maxima. Still have no idea how a careful/mature driver (I’m 48) like me can cause all 4 fuel injectors on a modern car to fail so catastrophically. Either of those will cause a no start. Sometimes takes time to re start . About a month or so ago I began to feel the hesitation, stutter, miss fire, performance loss.
Got an oil change and already had the transmission fluid checked. Now engine light on, then off. My car would start up easily but will shake and vibrate for around 10 second or slightly more and during the shake if I were to switch on the aircondition the car would shutdown. So any risk to the injector is effectively multiplied by the number of injectors in the engine. I added a bottle of Fuel Injector cleaner, and the engine smoothed out as I drove. .In my Ford fiesta 1.4TDCI.after tht car had superb acceleration. What are we looking for in a fuel injector cleaner? Bringing up a code saying it’s misfiring on cylinder #3. Engine operating temp…gets rough…won’t go up hills…stuttering, shaking, now power, acceleration and shifting to lower gear just gets worse. I don’t drive the car at the minute because it is too unreliable and have lost a bit of faith in mechanics. And runs really smooth. I have an 04 malibu. When you shut off your engine; the injector will soak up the heat of the engine. Really hurting with the expense of it all…….Paul. Have I recourse to Nissan under any kind of warranty (2010 model) and should I bite the bullet and replace the 4th while I’m at it? Though Amazon can ship a lot of products overseas and many of these products might also be on sale locally. So what you might take for a bad fuel injector sound, can at times refer to bad spark plugs for example. While liquid cleaners aren’t always designed for this, many products also act as fuel octane boosters, raising the octane rating of the gasoline and thus helping to reduce dangerous detonations.
With the new injectors in place, I can now hear that feint high pitched whistle at motorway speeds, and the car seems to respond to the throttle much more quickly – just like when it was new. Of course it’s not the only possible issue, but it is the easiest to do something about. But how to tell if your fuel injectors are clogged? Thought was my Cat converter…took it off. Letting the engine cool down before shutting it off will increase the lifespan of the injectors. https://fuelinjectorcleanerhq.com/product-reviews/, Royal Purple 11722 Max-Clean Fuel System Cleaner and Stabilizer, The correct Synthetic Oil change interval. Recharged the battery, tried charging devices & used a jumper vehicle & cables. By the second day I only experienced better idling and smoother running and the shake and vibration during starts is almost 0-2 seconds of shake only. What can be the problem? Much appreciated.
Once it becomes stable the car runs fine and it doesn’t happen at all during the ride. please kindly advice me and help me with information , I am an ordinary taxi driver now , I lost my job as a safety officer due to militants action in the Nigerian swamps. Is there any discernible way to determine if it is a transmission problem or a fuel injector issue? I hv used 3m injector cleaner fuel additive.
They include; It may not be that easy to diagnose a clogged fuel injector as they are similar to bad coil, bad spark plug, or broken spark plug. I don’t want to alarm you, but fuel injector replacement cost can reach well into the hundreds of dollars. I have recently replaced the fuel filter and added a fuel additive on my car, but the very next day I drove my car and it started to stumble and stall, currently facing the same symptoms mentioned in you article: Engine misfire Performance loss Rough idling/engine stalling Increased Fuel consumption, Jack left the building about 2 years ago…, Correction* Jack stopped responding in Jan 2016. Once the engine warms up, the idle settles at constant idle speed. You probably have direct injection only makes it worse.
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