4JH4 TE Only 128 hours from new, installed in 2013.
Engine used to run properly (i.e. full rpm) according to the PO.
New Turbo. New exhaust elbow
New Fuel system primary Racor
, secondary cartridge, fuel hoses and spotless tank (tank did have a 20mm layer of crud).
New Vetus exhaust hose and Waterlock.
Problem Not achieving full RPM (3200) in gear
OR in Neutral. Reaching 2000 only.
Since the last post:
Rechecked fuel supply. Clean fuel in a clean tank connected directly to the fuel pump
; No Change.
Removed the Vetus Waterlock. Connected the new Vetus exhaust hose directly to the exhaust elbow
. No change.
Checked the taco with an independent gauge, both read the same.
Check for high tappet clearance, i.e. valves not opening fully?
Remove fuel pump
, assuming some gunk got into it? Although the engine runs smoothly up to 2000rpm.
No excess exhaust smoke to speak of.
The exhaust back pressure in the manual is 20kpa. I can't buy a gauge that reads that low locally. I have made a water
gauge, what water
column height should I expect?
Any thoughts appreciated.