Faulty coilpack.

zedhed · 16th November 2018, 10:42

Still got the hesitation problem on my car folks.what i would like to know is,if i hold a screwdriver on one of the coilpacks using it as a stethoscope,i can hear a knocking/ticking through it but not on the other coilpack,so am i right in thinking that on is kn ackered.😕

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fandango151 · 16th November 2018, 18:59

If it was arcing maybe but they are solid state so nothing moves really.

Try swapping the pack to another cylinder and see.

roverbarmy · 16th November 2018, 19:33

You have identified the faulty cylinder. The cause of the fault could be anything including coil pack, spark plug, injector/fuel or a mechanical issue/wear in that cylinder, valves or piston. It's a process of elimination so start with the easy (external) issues first before having to delve deeper. Reading the condition of the spark plug can tell you a lot (colour, condition, presence of oil, soot, fuel etc.).

Plenty of info on Google re reading spark plug condition.

zedhed · 17th November 2018, 09:03

Quote:

Originally Posted by fandango151

If it was arcing maybe but they are solid state so nothing moves really.

Try swapping the pack to another cylinder and see.

Already done that mate,and its the same,guess that elimanates a cylinder problem.

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roverbarmy · 17th November 2018, 10:26

Quote:

Originally Posted by zedhed

Already done that mate,and its the same,guess that elimanates a cylinder problem.

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Have you changed the spark plug on that cylinder? One step at a time!

planenut · 17th November 2018, 10:32

Quote:

Originally Posted by zedhed

Already done that mate,and its the same,guess that elimanates a cylinder problem.

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Having said that, what is the same? i.e. if the fault is identical for when the coil is attached then it's the coil, if the former cylinder is "the same" then it is a deeper fault. At the moment, I'm inclined towards a faulty coil.

Though, make sure that it is only the coil and not it's leads you are transferring as well at the moment.
Good luck.

zedhed · 17th November 2018, 16:53

Quote:

Originally Posted by planenut

Having said that, what is the same? i.e. if the fault is identical for when the coil is attached then it's the coil, if the former cylinder is "the same" then it is a deeper fault. At the moment, I'm inclined towards a faulty coil.

Though, make sure that it is only the coil and not it's leads you are transferring as well at the moment.
Good luck.

Spark plugs are new,and yes the same coilpack is still tapping when transfered to the other 2 cylinders.😕

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COLVERT · 18th November 2018, 21:24

Quote:

Originally Posted by zedhed

Still got the hesitation problem on my car folks.what i would like to know is,if i hold a screwdriver on one of the coilpacks using it as a stethoscope,i can hear a knocking/ticking through it but not on the other coilpack,so am i right in thinking that on is kn ackered.��

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Yes.------

DMGRS · 19th November 2018, 09:38

It sounds like you can hear the pack arcing - thankfully they're cheap enough

https://www.dmgrs.co.uk/products/coi...f-tf-nec000120

zedhed · 21st November 2018, 21:44

Quote:

Originally Posted by DMGRS

It sounds like you can hear the pack arcing - thankfully they're cheap enough

https://www.dmgrs.co.uk/products/coi...f-tf-nec000120

👍😉

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16th November 2018, 10:42	#1
zedhed Posted a thing or two zt saloon turbo Join Date: Sep 2015 Location: Tipton Posts: 1,461 Thanks: 1 Thanked 167 Times in 132 Posts	Faulty coilpack. Still got the hesitation problem on my car folks.what i would like to know is,if i hold a screwdriver on one of the coilpacks using it as a stethoscope,i can hear a knocking/ticking through it but not on the other coilpack,so am i right in thinking that on is kn ackered.😕 Sent from my LG-M160 using Tapatalk

16th November 2018, 19:33	#3
roverbarmy This is my second home Roverless + 1.7D Sportage Join Date: Aug 2014 Location: East Norfolk Posts: 7,050 Thanks: 729 Thanked 2,021 Times in 1,449 Posts	You have identified the faulty cylinder. The cause of the fault could be anything including coil pack, spark plug, injector/fuel or a mechanical issue/wear in that cylinder, valves or piston. It's a process of elimination so start with the easy (external) issues first before having to delve deeper. Reading the condition of the spark plug can tell you a lot (colour, condition, presence of oil, soot, fuel etc.). Plenty of info on Google re reading spark plug condition. __________________ Oil in my veins!

19th November 2018, 09:38	#9
DMGRS Discount MG Rover Spares Rover 75 CDTi, 2x MG ZS180 Join Date: Jun 2011 Location: Hythe, Southampton Posts: 11,320 Thanks: 456 Thanked 3,377 Times in 2,027 Posts	It sounds like you can hear the pack arcing - thankfully they're cheap enough https://www.dmgrs.co.uk/products/coi...f-tf-nec000120 __________________ Your trusted MG Rover specialist! Tel: 02380 001133 / Email: [email protected] We now have a 'chat' function on our site for even quicker replies. Give it a try! Remember - discount code FORUM5 for 5% off

16th November 2018, 18:59	#2
fandango151 Loves to post Rover 75 Join Date: Jul 2015 Location: Tamworth Posts: 291 Thanks: 2 Thanked 72 Times in 65 Posts	If it was arcing maybe but they are solid state so nothing moves really. Try swapping the pack to another cylinder and see.