Last Saturday I got PO304 and yesterday I got PO300 and PO304. I have read a lot about possible issues. Is there a way to narrow down issues? i.e. coil packs, plug wires.

I am still new to LR. Head gasket was done before I got it. I am not sure of the wires or plugs.

I am thinking I should start simple and work through it - plugs, wires.

Ideas?

1999 LR Disco II. 106K

 

Not running bad - gas mileage still good.

 

yes.plat plugs and 8mm wires are a good start.

 

Especially if you have the grey factory plug wires.
You might want to consider doing my major service list posted at the top of the D2 section, so you can get the truck current and use 91 plus octane.

 

Thanks. I will start on the list. The wires are grey - so I am guessing OEM.

Mike - what plugs do you recommend? Wires - 8 mm?

 

i reccomend Magnecor 8mm from Apexperformance.net or some will say to get Kingsborne 8mm wires which run at about half the price.