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Does the vauxhall vectra 2.2 petrol design, need specialist tools to change the fuel injector?

I checked the spark plug for cylinder 3 which has misfired and the spark plug was wet and the chamber also had a black gold liquid inside, I researched and it said faulty fuel injector, I have sourced the part but wondered if I could get the injector out myself to check before ordering and having repaired.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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Big Poppa Ma
  • 302 Answers

SOURCE: Check engine light on

There are three kinds of gasoline engine misfire scenarios, first there is the "under load" misfire and there is the "at engine idle" misfire, and finally there is misfire continuously. All engine misfires exist because one of three things has occurred. First, a cylinder has lost compression, a cylinder needs a certain amount of compression to operate correctly. Second, the ignition system has failed or is failing intermittently, spark is needed at the time of compression to ignite the fuel air mixture. Third, the fuel air mixture is incorrect, proper mixture is needed for the ignition system to ignite fuel properly. If any of these conditions occur in the engine, the engine will misfire.
1. Low or no compression can be caused by

a. burned or leaking intake or exhaust valves
b. worn or broken piston or piston rings
c. worn out camshaft
d. wrong weight motor oil was installed holding the cam followers from adjusting
e. broken valve spring
f. failed head gasket.
2. Ignition system has failed or is failing
a. spark plug has fouled or is worn out
b. ignition coil
has failed
c. spark plug wires have shorted
e. engine control module coil driver has failed
3. Fuel/Air Mixture is incorrect
a. vacuum leak at the intake manifold
b. fuel injector has failed
c. EGR valve is stuck open
d. mass air flow sensor has failed
e. oxygen sensor has failed
f. air intake boot is cracked

common problems:
1. fuel injector has failed or is failing
2. spark plug wire has shorted
3. spark plug is worn out or is cracked
4. ignition coil has failed is failing

Testing a coil on the car is pretty easy. No special tools are required. Just remember to be careful, the amount of electricity generated by your ignition system can be dangerous. If your coil is already off the car, or if you would like a more specific data-driven test, you can bench test your coil. To set up the test, remove one spark plug wire from its plug, then remove the spark plug using a spark plug socket. Next put the spark plug back into the spark plug wire. Be careful not to let anything drop into the empty spark plug hole -- very bad.

Posted on Dec 07, 2008

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StormStrikes
  • 104 Answers

SOURCE: engine misfires

You didnt mention having changed the spark plug wires, so that is another item that could be culprit as well. As well, it could be a coil pack that is not working properly.

I cannot recall at the moment if that model year uses coil on plugs or if it uses coil packs. Either way, if it uses a coil on plug set up, take the one for the #3 cylinder and move it to say #4 or anyone of your choice and see if the misfire follows

If it uses coil packs, there is likely one coil pack that controls two cylinders. In that case just swap the coil pack with an adjacent one and see if the problem follows. Pay attention to where the spark plug wires go because it will be an issue if you get them mixed up. You just swap the coil packs around.

I would, however, start with the spark plug wires if you have not changed them already.

Posted on Dec 31, 2008

  • 1 Answer

SOURCE: 99 4runner 5vz-fe 3.4 misfire

I know this post is old, but right on the engine theres a sticker that says use multi-ground plugs only. I read a similar problem like yours and it seemed to turn out that the spark was arcing to ground over the ceramic on the plug. So maybe it could have something to do with the single ground plugs.

Posted on Jan 23, 2009

Selvol
  • 115 Answers

SOURCE: Misfire with error codes P0300,P0302,P01303, P0102, P0748

Have you tried new Spark Plugs? Also after removing the plugs.
Take a paper towel and roll it up so it is like a long thick pencil. Stick that down the hole the spark plus came out of. Just to clean the moisture out. Also blow some compressed air down the hole.
Make sure all the moisture is out. The put the plugs in.
When you wash you car. Be careful if you wash the engine.
Dont let water get in to the plug holes..

Posted on May 21, 2009

  • 2 Answers

SOURCE: Misfire with error codes P0300,P0302,P01303, P0102, P0748

have you checked the wires for holes.

Posted on May 28, 2009

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1 Answer

Misfiring cylinder 3 on axiom 2004, replaced coil and plug, need info. On cleaning injectors.


how do you know that, (you never said)
P0303 DTC errors? that?
303 means.
#3 cylinders combustion energy is weak, to a tech it means the piston velocity was week, slow to accelerate, it was.
that can be.
1: spark bad (for gas/petrol engines)
2: injection bad.
3: this cylinder compression bad.

it is NOT just a spark issue, not at all.
it can even be air leaks (vacuum ) near #3 but that cause.
injection rates to seem wrong when ok. lean.
see?

id be all over compression tests.
after all cant burn fuel with weak compression.
it may burn but 303 will keep going.
then spark, cant burn fuel with bad spark
and last is fueling. (air and fuel mix)
in that order, is how it happens in real world.
but we take short cuts, sure, and new spark plugs are prudent fast and only $2 each.

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The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 2. If the problem persist more tests needs to be done to diagnose problem, see "Possible Causes"
- Faulty spark plug 2
- Clogged or faulty fuel injector 2
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- Fuel injector 2 circuit poor electrical connection
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- Ignition coil 2 circuit poor electrical connection
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Check for spark on cyl 2. Auto parts stores sell a spark tester. th?id=hn.608054987065067225&pid=15.1&h=205&w=160
Unplug the wire from the sparkplug, insert the tester into the wire, clamp onto metal somewhere nearby. Then, have someone crank the engine. You should see a spark. If not, then your ignition wire or coilpack is bad. If there is spark, check the fuel pressure with a tester, fuel injector by checking ohms on injector tabs, and then compression with a compression tester.

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HAD 2001 OLDS ALERO COMPUTOR CHECK SAID # 2 CYLINDER WAS MISSFIRING CHANGED #2COIL PACK STILL DIES WHEN SLOWING DOWN OR STOPING BUT STARTS RIGHT BACK UP DIES WHEN STOPPING OR SLOWING DOWN ALSO DIES AFTER...


Sounds like #2 is still missing. Misfires can be caused by an ignition problem, a fuel problem, or a mechanical problem where there is no compression in the cylinder.
Okay, you have changed the coil. Now try changing spark plugs and the spark plug wire-Swap #2 and #1 spark plugs and the plug wire too, and see if misfire follows now on #1. If it does, bad plug or bad plug wire. Of course you could just drop a new plug into #2 and see what happens. If no change, swap the plug wires and test again. If still misfiring, check the spark at end of plug wire-you need to see a blue snapping spark to know the ignition is working good on that #2.
If you have spark there, need to check if the injector is pulsing and spraying fuel into the cylinder. You might be able to feel the injector pulse if you hold a finger lightly on the injector while engine is running-should be a steady, rather rapid click feel to the injector. If not sure, have the injector circuit checked. You can buy an inexpensive "noid light" at auto parts stores, one that fits your injector circuit, plug it into #2 injector, and crank the car over or run the engine and watch the light-if working, the noid light will be blinking. This verifies the circuit is good. If the spark plug is wet with gas when pulled out, that would verify that injector is spraying fuel into the cylinder.
If still no help, have the compression checked in #2. Low compression from a valve problem or head gasket problem can cause misfires.
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