.fb-login-button.fb_iframe_widget.fb_hide_iframes span {display:none;}
  • Register

AutoCodes.com FREE Android App
Ask OBDII Question
Please write Make, Model and Year of your vehicle

Find local automotive repair shops in your area | AutoCodes.com Local
Need A Repair Shop?
Find local automotive repair shops in your area.
AutoCodes.com Shops

35,551 questions

22,350 answers

901 comments

23,319 users

Top Users

Reynaldo 10,102 Points
Carguy1 5,650 Points
G37driver 3,517 Points
OBDIITech 2,758 Points
OBDtech2 165 Points
corvette-78 127 Points
knowledge 1488 124 Points
Lemuel Alfaro 119 Points
Samat Bekov 117 Points
ptl 113 Points

po171

locate oxygen sensor on 1998 Pontiac grandprix

Vehicle: 1998 pontiac grandprix 3.8
asked Nov 24, 2013 by john

1 Answer

P0171 Fuel trim to lean bank 1

When you get a lean bank code check for vacuum leaks, The 02 sensor should be checking are the engine management sensor which are upstream sensor

answered Nov 24, 2013 by Reynaldo (10,102 points)

Related Information

Related questions

1 answer
77 views asked Oct 8, 2013 by anonymous
1 answer
Home - Home - For Shop Owners - About AutoCodes.com - Privacy Policy - Terms and Conditions - AutoCodes.com Feedback - Copyright 2010-2017 AutoCodes.com

AutoCodes.com - HelpForCars.net - Infinitihelp.com - Nissanhelp.com
...