Vehicle & Technical > Discovery

Typical 300Tdi engine power problems ?

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barny:
Well had a go a few things mentioned, sorta workin through the list as it were ! Checked the diaphragm for splits and marked its location, and sure enough it was on the weakest setting. Turned it a few degrees, sort of between min and max setting and set of for a road test. Didnt feel any different and still no smoke. Came back and set it to max setting, then started checking other items like the boost pipe from pump to actuator - seams fine. Removed the turbo pipes to check for delaminating, seams soft but no signs of splitting/ delaminating, but may replace for something better in due course. Whilst turbo pipes were of i whipped the intercooler out and geve it a damn good cleaning, got all the cr4p out, checked for leaks and then gave it 50deg in the oven to dry it out ! SWMBO was quite cool with that idea !?? Checked for the fuel filter being half full but again ok. Had a look at the sedimentor, its deffo seen better days, in fact it looked at me and said "if you touch me, i'll break and really [throw it] you off "! I left that well alone for a second opinion, maybe even to by-pass it.

Went for second road test and noticed on start up a small puff of smoke ! Whislt driving no smoke noticed but a small improvement in torque, and a higher top speed achieved !

So a promising start, especially as i was quite disappointed in it performance, things are looking better !

Thanks guys, i'll report back after checking a few other things !

p.s Also noticed that my centre section is not happy, where it mated up to the new rear section the join between the to is very loose and out of shape. I want to try and remove the centre box and straight through it with some pipe from work.

p.p.s what are the downsides of higher EGT's ? And can someone explain what it all means and in relation to my problems .... please ?!!

barny:
bump .... :roll:

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