EGR could be stuck open, and also check the banjo bolt and turbo switch over valve, as well as the lines running between the ALDA and the banjo bolt on the rear of the intake. After the valve adjustment, do another compression test.

If #3 is still extremely low, do a leak down test. Also check the oil for coolant contamination and the expansion tank for oil. Also look at the dip stick for any traces of water. Could be a burned valve, blown head gasket, cracked head, or just a too tight valve. The too tight valve would be addressed by the valve adjustment.

__________________
RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K

90 Dodge D250 5.9 Cummins/5 speed. 400K

Gone and still missed...1982 w123 300D, 1991 w124 300D