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Hi thanks for your reply, we think the clatter/tapping noise which is only present when under load, coupled with a noticeable loss of power is actually pinking/detonation, but why it does it when it does is a mystery at the moment. The engine is only on petrol and is still EFI.

HI, checked exhaust out this afternoon all seems ok, looking a bit thin in places though.( a bit like my hair! ) exhaust easier to replace though! I will let you know when I find the problem, thanks a lot for your input you have got me thinking. cheers!

T

That's great advice, I will do it tomorrow, and then get her down to the doctor early next week, will let you know what happens. Cheers!!

Hi thanks for reply, there are no cats fitted, I have just changed pump and filter which made her more responsive but didn't improve the clatter/pinking noise. I think you are right regarding having the timing checked, I will try to get it down to the garage this week and see what that brings...

Hi no overheating problems warms up steady and temperature sits at normal. I checked the comp' all cylinders around 180 psi and I notice it has a composite head gasket fitted. No electric fan fitted yet just the viscous. My only very basic attempt at timing checking was removing plug 1 and...

Hi thanks for reply! It certainly could be it has the characteristics of pinking but I've never experienced pinking on any vehicle before so wasn't sure, if it is, what causes it to start pinking after about 20 minutes of running well? Sounds like a sharp tapping/clatter like I mentioned, I put...

Hi guys here's one that has me baffled (doesn't take much!) So here's the problem, starts ok, feels powerful and smooth for about 20 minutes of driving then all of a sudden it's like someone has flicked a switch labeled 'bag of spanners'. Symptoms are, noticeable loss of power, and what I can...

hi guys, I need to check my coil, does anyone know what ohms readings I need to see if it's working correctly?! Your help would be greatly appreciated. Graz

Hi, I'm Graham, I owned a series 3 with a ford 3.0 v6 years ago, but then got married! :D I've saved up for 10 years and at last bought myself my dream landrover, a Defender 90 truck cab 4.2efi. I bought it last year and have enjoyed getting my hands dirty again. I have been on a steep learning...