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Where is injector nozzle and how do i clean it

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Need more info : year, type car, what is the car doing, mileage

Posted on Nov 30, 2014

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Toyota Hilux 2008, 2KD engine. cleaned injector nozzle. Now the car has a black smoke, lower engine power & engine vibration for z first 45 minutes of morning warm up. any idea folks? Frezer


if you dismantled the injector to clean it then you need to take it to a specialist diesel shop to have it recalibrated
It is not a matter of pull it apart , clean and reassemble and it will be ok .
With high pressure injectors ( 20.000 psi +) that is not how it works and will be the root cause of your current problems.

Jul 19, 2015 | Toyota Cars & Trucks

1 Answer

Injectors aren't working


Cleaning injectors is a process best left to a professional with a bench setup to properly flow and clean them. In a pinch for a low cost short term fix you can do the following:

1. Remove the + battery terminal.
2. Remove the fuel rail retaining bolts and the injectors will pull out of their seat in the head.
3. Remove the injector plug and simply pull them out. Look into the input side and you should be able to see if it is relatively clean. Sometimes they are completely clogged on older vehicles.
4. Use Seafoam injector cleaner and spray into the input while pulsing the nozzle in and out until it is clear. Also spray some into the nozzle end.
5. Repeat for all injectors, let them sit for an hour to 24 hours, then repeat the cleaning with the injector cleaner to force out any residual.
6. You can also energize the relay with 12V and spray through the nozzle, but this is difficult without having a pressurized system.
7. Reinstall (preferably with new O-rings) and enjoy.

I did this recently on my son's 1999 Mitsubishi Mirage due to 2 cylinders not firing at all and it runs like a champ. Cost me $10.99 from Autozone. You should also replace the fuel filter at this time.

Nov 17, 2012 | 1992 Mitsubishi 3000GT

2 Answers

Whats the cost on fixing a clogged number three fuel injector on a 97 eclipse?


Hi,
I think if that injector nozzle is blocked, you have to replace that injector nozzle.Most cars today uses electromagnetic type of nozzle.
Your mechanic could replace that nozzle.

May 04, 2012 | Cars & Trucks

1 Answer

My ck2 lancer hard starts and the engine check light lights up about 1 minute after startup, what is causing these problems [4g13 engine]


its an injectors nozzles problem im sure of it
might be dirty nozzles needs to be cleaned and clogged up
or the nozzles are getting wider spraying hole so rather than spry the fuel it dripping it causing such a start up problems
but the sure thing is you need just check the injectors nozzles
have a nice day

May 30, 2011 | Mitsubishi Lancer Cars & Trucks

1 Answer

Why is my 97 Nissan pu still trying to stall after they diagnosed it with a bad mass air flow sensor, replaced and it is still trying to stall AND the check engine light came back on?


Most of us know how the injectors get clogged. Its nothing else but the fuel that we use which causes clogging. Every time we turn off our car's engine, last drop of petrol dries on the nozzle of the injector and leaves behind deposits. These deposits become firm with the heat of the chamber. The more we drive our car, more deposits accumulate. Gradually it starts to restrict the flow of petrol from the tiny hole on the nozzle and the injector starts to lose its efficiency. This causes the engine to lean misfire and hesitate on different rpm, power and pickup is lost, the car becomes uneconomical on petrol, unburnt fuel can be noticed in the emission and worst of all the wear of engine becomes faster. Only 8% to 10 % clogging in the nozzle can cause all this



Proper cleaning can restore their like-new performance. There is no need to replace fuel injectors unless they are actually gone bad. Injectors are designed in such a way that they are not very convenient to clean. They are sealed units and cannot be opened for cleaning. Ultrasonic cleaning is MOST effective process for cleaning fuel injectors. It is cheap and comprehensive solution for the problem.

May 26, 2011 | 1997 Nissan Pickup

2 Answers

Fault code p0304


P0304 indicates you have a misfire on cylinder #4 which is located on the passenger side in between #2and #6. (middle spark plug) Inspect the spark plug and the wire, if both are good. There may be a good chance that the fuel injector poppet nozzle is dirty with carbon and will need to be cleaned with a fuel injector poppet nozzle cleaner.

Thank you for using Fixya and keep us posted.

Nov 17, 2010 | 1998 Chevrolet Astro

1 Answer

All four injectors stopped working


Try the carb cleaner fluid by mixing it with the fuel or spray it at the intake. After cranking the engine a few times, wait for a while and if the engine refuses to start, get some young men to try & start it by rolling the vehicle & turn on the ignition(i.e. if it has has manual gear shifting) till the carb cleaner has got a chance of forced into the injector to clean the nozzles. If this fails then it(injectors) cleaned by maul removal & cleaning/replacing the injector nozzle tips by a qualified mechanic....sodeep

Aug 18, 2009 | 1992 Nissan 240SX Fastback

1 Answer

Flat spot on acceleration


The fuel injector nozzle is partially blocked.Add fuel additive to clean the injector nozzle

Jun 07, 2009 | 1992 Audi 80

1 Answer

Fuel Pump


You might not have to change the pump at all. Get the fuel filter cleaned thoroughly, change it if required(its quite reasonably priced) and since this has MPFI (multi-point fuel injection) engine, either clean it by adding some nozzle clearing fluid or get the nozzles properly cleaned at a authorized service station, where they can connect it to a PC to check the status of the tiny holes of the injector nozzle.............................sodeep

Jun 01, 2009 | 1995 Nissan Altima

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