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Author Topic: 3.2 - 2002 - 80K miles - New plugs and poorer tickover  (Read 1530 times)

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Ant - Petrol Blue Thirty Two

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Hi Guys, any steer on this?......recently had cam belt change and new plugs (presume Vauxhall plugs as done at my local Vaux dealer) thinking it might help improve the engine performance - last new plugs were at 40k in 2006 with previous owner - however the tickover is now more lumpy than it was before - at its resting point at 500 revs, the engine visually 'jiggles' unhappily and the backs of the front seats take most of the vibration - wish I had left well alone. Pressing accelerator slightly brings all the harmony back.
So, can anyone guess what might have changed or been upset by having a the cam belt and the plugs changed?
Thanks
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N61AOP

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Re: 3.2 - 2002 - 80K miles - New plugs and poorer tickover
« Reply #1 on: 04 May 2014, 19:03:21 »

That sounds a bit like the problem I'm getting with my 2.2 after having new coil pack and rocker covers. Still haven't got to the bottom of it yet though.
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milcho2005

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Re: 3.2 - 2002 - 80K miles - New plugs and poorer tickover
« Reply #2 on: 04 May 2014, 19:04:11 »

The cambelt is not properly installed!
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SMD

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Re: 3.2 - 2002 - 80K miles - New plugs and poorer tickover
« Reply #3 on: 04 May 2014, 19:31:24 »

If it was my car, I would get a forum member to have a look at the timing
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chrisgixer

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Re: 3.2 - 2002 - 80K miles - New plugs and poorer tickover
« Reply #4 on: 04 May 2014, 19:40:31 »

Throw it back at Vauxhall. Although probably I hiding to nothing.


Bank 246 timing is set with a non adjustable bottom roller on the late 3.2's so worth a look at bank 135.

....after checking coil pack condition. Any codes via pedal trick? Might not be, missfire has to be quite bad before a codes is raised.
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zirk

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Re: 3.2 - 2002 - 80K miles - New plugs and poorer tickover
« Reply #5 on: 04 May 2014, 20:04:40 »

If its just unhappy at tick over could be a Vac Pipe or Vac leak somewhere.  :-\
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Ant - Petrol Blue Thirty Two

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Re: 3.2 - 2002 - 80K miles - New plugs and poorer tickover
« Reply #6 on: 05 May 2014, 13:18:17 »

thanks Guys for coming back and advice - re reply from chrisgixer, with bank numbers for timing - was is that?  No misfiring just seems that engine (to use an old expressioni) is 'hunting'
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chrisgixer

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Re: 3.2 - 2002 - 80K miles - New plugs and poorer tickover
« Reply #7 on: 05 May 2014, 17:41:11 »

Check the simple things first, so vac leak is a good start as said. Are all the hoses and vac pipes connected correctly. No air leaks?

Then misfires, although skip that If it's not a missing.

Cam timing, cylinders 1,3 and 5 is the drivers bank of cylinders on the v6...?

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