2006 Golf 5 GTI - misfire

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2006 Golf 5 GTI - misfire

Post by GV » Tue Jun 18, 2013 3:46 pm

Hi Guys - just got my car back from a service a few days ago and since then the car idles funny and misfires when cold. Took it Ferroli and it came up with some errors. something about misfire on all 4 cylinders :-(. what could be the cause? I mean the car was fine before the service at VW grrrrr.
Mileage = 98000, REVO stage 2.
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Re: 2006 Golf 5 GTI - misfire

Post by Donnie Darko » Tue Jun 18, 2013 4:30 pm

Maybe coilpacks?
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Re: 2006 Golf 5 GTI - misfire

Post by CAPO02 » Tue Jun 18, 2013 4:37 pm

Donnie Darko wrote:Maybe coilpacks?
+1
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Re: 2006 Golf 5 GTI - misfire

Post by Stompie » Tue Jun 18, 2013 4:47 pm

could it not be cam position sensor?

Just funny how all 4 coilpacks would go at the same time but also probably not impossible?
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Re: 2006 Golf 5 GTI - misfire

Post by GV » Tue Jun 18, 2013 5:08 pm

PoloGTIman wrote:could it not be cam position sensor?

Just funny how all 4 coilpacks would go at the same time but also probably not impossible?
yeah was also fine before the service :-(
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Re: 2006 Golf 5 GTI - misfire

Post by Shygolf » Tue Jun 18, 2013 5:16 pm

Do you have the error codes?
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Re: 2006 Golf 5 GTI - misfire

Post by GV » Tue Jun 18, 2013 5:20 pm

Shygolf wrote:Do you have the error codes?
did'nt think of saving them :-(, saw them at Ferroli's. but it was basically misfire on every cylinder as well as somelow frequency on 02 sensor?
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Re: 2006 Golf 5 GTI - misfire

Post by mika1803 » Tue Jun 18, 2013 6:24 pm

Take it back to VW, and make them sort it out with a smile
Some people are wise, then some are just other-wise

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Re: 2006 Golf 5 GTI - misfire

Post by Camo » Tue Jun 18, 2013 7:04 pm

coils buddy

mine did the same when I had APR stage 2 on the car.
Took it to VW The Glen and when came back Misfired. Fitted new coils and plugs and was sorted.
Have not loaded software since.

Did you tell the dealer you have software?
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Re: 2006 Golf 5 GTI - misfire

Post by Camo » Tue Jun 18, 2013 7:06 pm

Error Codes?
EPC light on,..Mayb they **** the HPFP Sensor
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Re: 2006 Golf 5 GTI - misfire

Post by Burner1144 » Tue Jun 18, 2013 7:54 pm

Perhaps Coolant temp sensor?

What exactly did VW do in the service? Any parts they replaced?
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Re: 2006 Golf 5 GTI - misfire

Post by GV » Tue Jun 18, 2013 8:34 pm

Burner1144 wrote:Perhaps Coolant temp sensor?

What exactly did VW do in the service? Any parts they replaced?
Oil change and rear brake pads.
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Re: 2006 Golf 5 GTI - misfire

Post by g60 golf » Tue Jun 18, 2013 9:25 pm

If they washed engine then coil packs.
My buddy tooook his S3 in for oil change samething happend.
Does it also idle like it has a cam in it?
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Re: 2006 Golf 5 GTI - misfire

Post by GV » Wed Jun 19, 2013 8:52 am

g60 golf wrote:If they washed engine then coil packs.
My buddy tooook his S3 in for oil change samething happend.
Does it also idle like it has a cam in it?
Eish - I think you're correct :-(
it idles rough and the bay was washed

It's only when the car is cold though - this morning same thing, after 20 mins the car is 100% again.
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Re: 2006 Golf 5 GTI - misfire

Post by GV » Wed Jul 31, 2013 9:18 am

Update -

replaced the coilpacks and plugs, replaced thrust sensor and cam follower.
the misfire is still there, but not as bad and as often as before.

any other advice would be appreciated.

Is it possible the dealer tried to update my software and messed up REVO?
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Re: 2006 Golf 5 GTI - misfire

Post by Camo » Wed Jul 31, 2013 9:33 am

GV wrote:Update -

replaced the coilpacks and plugs, replaced thrust sensor and cam follower.
the misfire is still there, but not as bad and as often as before.

any other advice would be appreciated.

Is it possible the dealer tried to update my software and messed up REVO?
possible!
Did you check HPFP Sensor?
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Re: 2006 Golf 5 GTI - misfire

Post by GV » Wed Jul 31, 2013 9:46 am

Camo wrote:
GV wrote:Update -

replaced the coilpacks and plugs, replaced thrust sensor and cam follower.
the misfire is still there, but not as bad and as often as before.

any other advice would be appreciated.

Is it possible the dealer tried to update my software and messed up REVO?
possible!
Did you check HPFP Sensor?
nope - how do I do that ?
where is it located?
Thanks
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Re: 2006 Golf 5 GTI - misfire

Post by ruan9n » Wed Jul 31, 2013 12:00 pm

PCV fine?
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Re: 2006 Golf 5 GTI - misfire

Post by Camo » Wed Jul 31, 2013 1:09 pm

GV wrote:
Camo wrote:
GV wrote:Update -

replaced the coilpacks and plugs, replaced thrust sensor and cam follower.
the misfire is still there, but not as bad and as often as before.

any other advice would be appreciated.

Is it possible the dealer tried to update my software and messed up REVO?
possible!
Did you check HPFP Sensor?
nope - how do I do that ?
where is it located?
Thanks
On top of your HPFP!
Normally when it is cracked it will misfire and also give EPC light!
your car will starve from fueling. I got a permanent fix for it if broken.
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Re: 2006 Golf 5 GTI - misfire

Post by GV » Wed Jul 31, 2013 7:59 pm

Camo wrote: On top of your HPFP!
Normally when it is cracked it will misfire and also give EPC light!
your car will starve from fueling. I got a permanent fix for it if broken.
no EPC light.
is this not the same as the thrust sensor?
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Re: 2006 Golf 5 GTI - misfire

Post by ruan9n » Thu Aug 01, 2013 8:28 am

When last was the cam follower changed? Is it 100% still?
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Re: 2006 Golf 5 GTI - misfire

Post by Camo » Thu Aug 01, 2013 9:32 am

GV wrote:
Camo wrote: On top of your HPFP!
Normally when it is cracked it will misfire and also give EPC light!
your car will starve from fueling. I got a permanent fix for it if broken.
no EPC light.
is this not the same as the thrust sensor?
The HPFP has two Sensors,..The one on the TOP normally gives kak! I see you made mention that the Thrust Sensor and the Cam follower have been changed.
Do you have a pic of the old cam Follower and can you take a pic of the HPFP to see if the TOP Sensor not Cracked!
Mine never gave EPC light until the crack was worse. The car had very bad misfire and thought it was coils.

When I went to Shaheen @ E-Tuners we found TOP Sensor on the HPFP cracked.
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Re: 2006 Golf 5 GTI - misfire

Post by Sinbad » Thu Aug 01, 2013 9:34 am

I'm starting to see more misfires on my car as well. Will check the HPFP... m-plan ends in September ...
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Re: 2006 Golf 5 GTI - misfire

Post by Camo » Thu Aug 01, 2013 9:40 am

Any car needs 3-Things to function properly:
-Fuel
-Air
-Spark

That is your basic that you need to check when you have a misfire.
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Re: 2006 Golf 5 GTI - misfire

Post by Sinbad » Thu Aug 01, 2013 9:41 am

Camo wrote:Any car needs 3-Things to function properly:
-Fuel
-Air
-Spark

That is your basic that you need to check when you have a misfire.
This much I know.
My misfire count tends to increase when I blip the throttle at idle. Given that at that point the rail pressure changes suddenly and quickly, the HPFP would be a logical place to look.
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