Can anyone interperet the following diagnostics

[sniperley]

I have an Astra H 2005 SXi and get a warning light coming on, a mates diagnostics says the following, not having a clue can anyone help me and let me know what i need to do to fix he problem. Thanks for your time
PO171
Fuel sys 1 CL
Fuel sys 2 N/A
LOAD PCT% 14.1
ETC (F) 190
SHRTF1 % 9.4
LNGFT1% 20.3
MAP (inHg) 21.3
RPM 1873
VSS mph 31
SPARKADV (*) 23
IAT(f) 37
MAF(lb/min) 1.705
IP (%) 31.4
02BS1 (V) 0.250
SHRTFTB1S1 (%) 9.4
02BS2 (V) 0.145

[domtorredo]

Z16xep engine? Take a off inlet manifold and look at all channels especially egr related can be clogged up