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Author Topic: Update on throttle problems....  (Read 8086 times)

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Rock

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Re: Update on throttle problems....
« Reply #15 on: 06 November 2006, 14:21:25 »
When Jamie looked at it on Thursday, Tech2 showed cylinders 2, 4, and 6 having misfires.

I have just phoned my Vx garage and am waiting for a call back from the Service manager.

Were they right when they said the low output from the alternator wouldnt be causing the problem? Would it be wise to replace the alternator anyway?
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Marks DTM Calib

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Re: Update on throttle problems....
« Reply #16 on: 06 November 2006, 14:41:57 »
It wouldn't cause it.....if it was high it might....is it actualy miss firing then......it didn't sound like it was.

What was the stored TC code....
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Rock

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Re: Update on throttle problems....
« Reply #17 on: 06 November 2006, 14:48:40 »
It is mis-firing, but not all the time.

Will ask the service guy what the TC code is, if and when he calls back!
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TheBoy

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Re: Update on throttle problems....
« Reply #18 on: 06 November 2006, 15:50:52 »
On Thurs, defo codes for cyl 2,4,6 and multiple cylinders.  No ABS/gbox/steering codes on thurs.
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Rock

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Re: Update on throttle problems....
« Reply #19 on: 06 November 2006, 20:33:44 »
Quote
On Thurs, defo codes for cyl 2,4,6 and multiple cylinders.  No ABS/gbox/steering codes on thurs.

the guy at vauxhall says the codes he's got definitely points to bank 1. I explained the codes we got on thursday but he insists the problem is definitely with bank 1. He also said that the absence of a working EML bulb was causing the ecu to go into limp mode.
« Last Edit: 06 November 2006, 20:42:39 by Rock »
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Rock

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Re: Update on throttle problems....
« Reply #20 on: 06 November 2006, 20:43:46 »
Quote
On Thurs, defo codes for cyl 2,4,6 and multiple cylinders.  No ABS/gbox/steering codes on thurs.

they also claim to have upgraded the software on my ecu. Is this even possible?
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theolodian

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Re: Update on throttle problems....
« Reply #21 on: 06 November 2006, 20:50:49 »
Quote
Quote
On Thurs, defo codes for cyl 2,4,6 and multiple cylinders.  No ABS/gbox/steering codes on thurs.

they also claim to have upgraded the software on my ecu. Is this even possible?
Yep, happens all the time.  Isn't chipped, just newer factory software.
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TheBoy

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Re: Update on throttle problems....
« Reply #22 on: 06 November 2006, 21:21:39 »
Yes, the 2.6 has flashable engine ECU.

I would replace the bulb (10 min job), but doubt that would cause your problems...
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Marks DTM Calib

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Re: Update on throttle problems....
« Reply #23 on: 06 November 2006, 21:56:20 »
Lack of bulb will not cause limp mode......... >:(
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Rock

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Re: Update on throttle problems....
« Reply #24 on: 07 November 2006, 14:23:37 »
Vx still have my car and have fitted the new coil pack to bank 1 and surprise surprise its still behaving badly and misfiring etc.

They have now said that its because the nearside catalytic converter is blocked up that is causing the misfire...

Does this make sense to anyone?
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Re: Update on throttle problems....
« Reply #25 on: 07 November 2006, 14:32:43 »
The amount of misfiring on passenger bank may have damaged the passenger cat, but until they cure the misfire that side, pointless changing it...
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Rock

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Re: Update on throttle problems....
« Reply #26 on: 07 November 2006, 15:47:08 »
They insist the blocked near side Cat is causing the misfiring, and not the other way round. I did ask them if it is the near side, why were they trying to replace the off side coil pack?

They have since said that tech2 is showing cylinder misfires on all 6 cylinders and that the nearside cat is the solution but possibly i might still need the off side coil pack as well, and possibly the nearside coil pack...

The bill so far for tech 2 diagnostics, time spent on car and them replacing the faulty bulb (without asking first) is just short of £200. AND THEY HAVEN'T FIXED ANYTHING!! (apart from the bulb!)

They now want me to spend £474 + VAT for the CAT and £36 + VAT labour (£599 inc VAT) plus then possibly another god knows how much on coil packs and they still don't know if this will resolve the problem!

If i replace everything they say might need replacing i'm looking at over £1000.  :'(
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Marks DTM Calib

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Re: Update on throttle problems....
« Reply #27 on: 07 November 2006, 16:35:36 »
Willy nilly parts changing... :-?

I would refuse to pay for the drivers side coil pack......and get a passenger side coil pack.......
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Rock

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Re: Update on throttle problems....
« Reply #28 on: 07 November 2006, 16:56:01 »
I have already refused to pay for the drivers side coil pack. They insist the passenger side cat also needs replacing.

Is it worth me getting the near side coil pack and changing it myself?? Then seeing if the problem goes away? Or would he be right about me needing to replace the cat?
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Re: Update on throttle problems....
« Reply #29 on: 07 November 2006, 17:42:01 »
Not a call I'd like to make...  ...I would suggest that side coil pack may be suspect (or plug wells full of oil, or connector lose etc).  Whether or not its knackered the cat I wouldn't like to say...
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