Glow Plugs?

2013 GU CRD.

Getting harder to start on cold mornings. I usually have to give it 2 blasts of the glow plugs before she'll start. 195,000ks, original glow plugs. I hear the relay click when off when the dash light goes off.

What is the resistance I should I see when measuring the resistance with the plugs in place? I read 0.5 ohms, is that correct?

I've also read that the steel tipped glow plugs can cause issues if you don't perform a 'timer mod' is that still the case?

I've also read that there are carbon and steel tipped plugs, which of these are better? I was going to get OEM plugs.

Thanks for any help.

If the ones you have now worked for nearly 200,000 km why would you want anything different?

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Originally Posted by BillsGU

If the ones you have now worked for nearly 200,000 km why would you want anything different?

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Yep, good point Bill.

Also check the fuel lines around the fuel filter, that can contribute to a hard start, some of mine got hard and cracked. If you replace them use "nitrile rubber" type.

You can test your plugs by cleaning them, putting them back in, doing a cold start, pull them out and replace the ones that are covered in soot.

Quote:

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Originally Posted by pollenface

Also check the fuel lines around the fuel filter, that can contribute to a hard start, some of mine got hard and cracked. If you replace them use "nitrile rubber" type.

You can test your plugs by cleaning them, putting them back in, doing a cold start, pull them out and replace the ones that are covered in soot.

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Thanks mate, I'll check those hoses out.