VOLVO P CODES (POWERTRAIN) P0100 - P0199

I Got The Code Po171 For My Car It Wont Stay On At First I Have To Keep Cranking It Up Before It Will Stay On

Engine Performance Problem 2006 Volvo S40 Two Wheel Drive Automatic 50000 Miles What Can I Do To Fix This Code?

Hi We Have A Volvo 1995 850 The Code In The Computer Is P-0133 We Need Know About And Repair Information Thanks So Much

I Just Got My Car Inspected And Failed For Trouble Codes Po130 And Po172 What Do Those Mean