Hi guys and girls I need some advice I have a Octavia 1.9 sdi 2003 and she’s been a well loved member of the family for over 12 years. She’s just arrived at 150,000 miles and she’s lost power I’ve been told that it’s a possible injector issue or a fuel pump by my mechanic has said the engine noise is a diesel knock. Does anyone know if the fuel pump is coded? I’m more than capable to change out one injector at a time to prove they are not the issue first, but I’m thinking the pump has failed and might need to either be changed if it’s not coded or i can buy a repair kit to service the original part if it is coded. Please can anyone give me some advice on the pump are they coded or not? I know this will probably be a tough question to answer as I don’t think this is a common problem. Help me to save my Skoda from the scrap yard in the sky she has a good heart and doesn’t deserve to die so young!

Nothing coded on the fuel pump. Replace with an OEM version from TPS or Skoda and you can swap it out. Ideally do it with low fuel or it becomes a messy job.

I changed mine, but only as I went for an uprated one in my VRS to handle more power.

Thanks for getting back to me Dean really appreciate any help I’ve removed the egr and checked it just to if it staying open but that’s all good. I’ve cleaned it and checked it opened and closed properly. I’ve got a strong diesel smell from the engine bay it’s not had any issues like this before, any ideas?

1 hour ago, Robzskoda said:

Thanks for getting back to me Dean really appreciate any help I’ve removed the egr and checked it just to if it staying open but that’s all good. I’ve cleaned it and checked it opened and closed properly. I’ve got a strong diesel smell from the engine bay it’s not had any issues like this before, any ideas?

Worth checking the fuel filter and piping around it to make sure there are no cracks/split pipes. It’s quite hard to see around so worth looking around as much as possible and get underneath.

Thanks Dean I will keep you posted how I get on 👍

any chance of getting it plugged in a scanned for any fault codes? 

 

if you do have a fuel leak it may be running a bit lean.

the sdi doesnt have a lot of power to lose god love it, but by god they are overall bullet proof. 

Hi Mac I’ve plugged in an obd 2 reader their are no fault codes at all. I’ve wiped around the injectors around with fairy liquid and water to see if I can find anything leaking and also the fuel pump but nothing is showing any signs at all. One thing I did notice was when I removed the air inlet manifold I noticed that ports 1,2,3 were dry and only had carbon buildup but number 4 was an oily wet residue would that be just down to the egr valve recirculating the exhaust gas or could it be a leaking injector when the valve open to take air the chamber has fuel in? (Faulty injector on 4)?or pump failure?

 I have been looking for a new car now a should be picking up my newer Skoda Octavia estate on Monday it’s a 2010 1.6 diesel green line 🥳 . Still going to try and salvage my old one if I can, I know she has loads left in her if I can sort out what is wrong 🤞

Thanks for an help and advice 😉