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Author Topic: Injectors  (Read 10296 times)

Offline bbfb10

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Injectors
« on: April 07, 2015, 10:01:01 pm »
Pretty sure my injector on cylinder 4 is knackered, (intermittent misfire, changed plugs and coil packs, still there) so injectors is my next bet. Ive got some standard injectors lined up from a car a mate is breaking, but l was wondering what my other options are?
Are different injectors any better?
If lm looking to go stage 2 in the future would uprated injectors help?
What would be best?

Thanks in advance.
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Offline th3_f15t

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Re: Injectors
« Reply #1 on: April 08, 2015, 07:44:55 am »
The first advice is have you fault scanned the car as a faulty injector should throw up an error code.

The upgrade option is to fit some Bosch 440cc injectors (sometimes called Audi RS4 injectors) but without a big turbo and high pressure fuel pump they are a bit overkill. But I like overkill and means any stage 3/4 plans are catered for.
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Offline bbfb10

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Re: Injectors
« Reply #2 on: April 08, 2015, 07:58:00 am »
I had it scanned, it came up with these codes:



Means nothing to me (!) hopefully someone else will be able to read VCDS.
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Offline bbfb10

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Re: Injectors
« Reply #3 on: April 08, 2015, 10:17:39 pm »
Anyone?
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Offline th3_f15t

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Re: Injectors
« Reply #4 on: April 08, 2015, 11:40:00 pm »
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Offline bbfb10

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Re: Injectors
« Reply #5 on: April 09, 2015, 06:58:48 am »
Cheers buddy.
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Offline vRSAlex

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Re: Injectors
« Reply #6 on: April 09, 2015, 08:16:53 am »
Bosch 440's are different to RS4 injectors. One is for low pressure setups and the other for high.  :happy2:
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Offline bbfb10

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Re: Injectors
« Reply #7 on: April 09, 2015, 08:18:44 am »
So lm best off just using standard injectors then @vRSAlex ?
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Offline vRSAlex

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Re: Injectors
« Reply #8 on: April 09, 2015, 08:20:02 am »
Stick with stock.
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Offline jamieross

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Re: Injectors
« Reply #9 on: April 09, 2015, 06:24:49 pm »
I have the exact same faults. Changed Plugs and coil packs so il be changing injectors soon, so I'll be watching this thread with real interest
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Offline bbfb10

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Re: Injectors
« Reply #10 on: April 24, 2015, 08:03:45 pm »
@jamieross

Had the injector on cylinder 4 changed today at Midland VW. Car now drives like a dream.
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Offline Flyingscotsman

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Re: Injectors
« Reply #11 on: April 24, 2015, 08:22:12 pm »
So VCDS was right about cylinder 4 :smiley:
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Offline jamieross

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Re: Injectors
« Reply #12 on: April 27, 2015, 02:57:46 pm »
@bbfb10 cheers for the reply mate. Do you mind me asking what sort be price the work cost? Was it just an OEM injector you used?
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Offline bbfb10

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Re: Injectors
« Reply #13 on: April 27, 2015, 03:14:46 pm »
It was a new OEM injector. Work cost about £250. Was done in about 3-4 hours.
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Offline dane

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Re: Injectors
« Reply #14 on: April 27, 2015, 03:27:16 pm »
It's a bit late now @bbfb10 but it can be worth buying a cheap ultrasonic cleaner from amazon, giving injectors a few cleans in that and seeing if it improves things.

It can be a good idea to do this as a matter of course on higher mileage cars as it goes a long way to restoring the original spray pattern.

http://www.audi-sport.net/xf/threads/diy-injector-cleaning-how-to-pic-heavy.119767/
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