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Symptoms bad fuel injector - Accent Hyundai Cars & Trucks

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Posted on Jan 02, 2017

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SOURCE: symptoms bad fuel injector,

If your fuel injection system has a fuel rail to deliver fuel to the injectors, you will have to remove it before you can remove the injectors.
First disconnect the fuel line at the end of the fuel rail. If there is another lune at the other end remove it too. (always be careful, some of these lines are under pressure).
Remove the screws or bolts which ever is holding the rail in place, if the wiring travels over the rail disconnect it first.
With everything disconnected, pull the rail away from the injectors. Most of the rails are just pressed on to the top of the injector tops, once you've removed the screws the rail should come off easily.
If your vehicle doesn't have a fuel rail then you have to disconnect the clips to each injector. Each injector will have a clip either at the top or at the top on the side that connects to the wire harness. Most fuel injector wiring plugs are held in place by a springy wir. To remove this wire, put a flat head screwdriver between the wire spring and the clip and CAREFULLY pull it away (don't loose it).
With everything off, you are are ready to remove the injectors (it is recommended that you use an injector puller) it is important that you don't break anything or let dirt and debri fall inside of the port wholes of the engine.
With the injector puller you just slide it under the injector and pop it right out.
To put the new injectors in just do the same as removing the in reverse. Remember to be careful and don't force anything.

I hope this helps for you.
Sorry if all thre pictures don't show.
5_11_2013_9_19_22_pm.jpg

Posted on May 11, 2013

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Plugs get wet of petrol and car smoke a dark smoke and smell petrol


bad fuel injectors. they are supposed to spray a fine mist of fuel when they are working properly, but when they go bad they can sometimes pour large amounts of fuel in the cylinders. are you getting horrible gas mileage? that is also one of the symptoms of a bad fuel injector.

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Symptoms bad fuel injector


yes it can, it can be partly clogged ,or can be leaking,or just plain weak

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Bad fuel injection symptoms


Are my injectors clogged or faulty or is there a sensor issue? How do we know without testing ! and depressed shrader valve fuel dispensed,isn't the proper way to test fuel pressure . Sounds a whole lot like you need to take your vehicle to a qualified repair shop.

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Code's 202 and 302


Both fault codes walk together, the first generated the second...

DTC P0202 - Cylinder 2 Injector Circuit Malfunction
P0202 means that the PCM detected a fault in the injector or the wiring to the injector. It monitors the injector and when the injector is activated, the PCM expects to see the voltage pulled "low" or close to zero. When the injector is switched off, the PCM expects to see a voltage that is close to battery voltage or "high". If it doesn't see the expected voltage the PCM will set this code. The PCM also monitors resitance in the circuit. If the resistance is excessively low or high it will set this code.

The symptoms for this code will likely be a misfire and a rough running engine. Poor acceleration. The MIL will also be illuminated.

The causes of a P0202 engine light code could be any of the following:
Bad injector. This is usually the cause of this code but doesn't rule out the possibility of one of the other causes
Open in the wiring to the injector
Short in the wiring to the injector
Bad PCM


DTC P0302 Code - Cylinder #2 Misfire
A P0302 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #2.

Symptoms may include:
the engine may be harder to start
the engine may stumble / stumble, and/or hesitate
other symptoms may also be present

A code P0302 may mean that one or more of the following has happened:
Faulty spark plug or wire
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector
Burned exhaust valve
Faulty catalytic converter(s)
Running out of fuel
Poor compression
Defective computer


If need additional details, just contact us clicking the links. Hope this helps.

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P0304 code-Misfire on cylinder 4


A P0304 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #4.-------- Symptoms may include:--------
  • the engine may be harder to start.
  • the engine may stumble / stumble, and/or hesitate.
  • other symptoms may also be present.
--------------- A code P0304 may mean that one or more of the following has happened:
  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • Defective computer.
  • ---------------------
If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.-----------------
This should help.Thanks.Helpmech.

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Fuel injectors,ineed tochange fuel injectors,mercedes benz E270cdi


Best Practices
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  • Fuel injector seals should always be replaced along with fuel injectors.

Common Symptoms
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Fuel injector opperating with engine off and kee in run possition


i guess you mean the injector ( which one?) is leaking.

8valve

bad o-rings (2x) on injector.
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16v. same as above , but skip o-rings.

say where and how you know it leaks,
what motor, 8v or 16v.

there are 8 motors on this car world wide and 2 in usa.
http://www.kick-fix.com/

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