 » Advertisement | | |  | 
04-13-2008, 05:12 AM
|
#1 (permalink)
| | Junior Member
Join Date: Mar 2008
Posts: 4
|  1994 Ranger 2.3L Trouble codes
Well, the truck is still running, but I have some trouble codes.
I got some continuous memory code:
172 - Heated Exhaust Gas Oxygen (HEGO) sensor- voltage signal indicates "Lean" (Bank #1)
181 - Heated Exhaust Gas Oxygen (HEGO) sensor- voltage signal not switching: indicates "lean" during part throttle engine operation (Bank #1).
332 - Insufficient EGR flow detected.
542 - fuel pump circuit open connection - Electronic Control Assembly (ECA) to motor ground,
Then KOER test -
172 - Heated Exhaust Gas Oxygen (HEGO) sensor- voltage signal indicates "Lean" (Bank #1)
332 - Insufficient EGR flow detected.
538 - Insufficient RPM chang during Dynamic Response test (Engine Self Run Test) | 
|  | |
04-16-2008, 04:30 AM
|
#2 (permalink)
| | Senior Member
Join Date: Aug 2007
Posts: 131
|
Has the O2 sensor been replaced?
Depending on the EGR system arrangement, PFE and DPFE systems in particular, a rusted out EGR tube could cause both problems at the same time.
The Dynamic Response test code comes up if you didn't floor the gas at the right time of the KOER test. | |
| | |
| Thread Tools | | | | Display Modes |  Linear Mode |
Posting Rules
| You may not post new threads You may not post replies You may not post attachments You may not edit your posts
HTML code is Off | | |
| | » Stats |
Members: 26,035
Threads: 17,842
Posts: 56,308
Top Poster: mark v (1,971)
| | Welcome to our newest member, rover | | » Partner Sites | |
Shopping for new cars can be a stressful experience especially if you don't have the right information. Our new car research center at CarEverything.com can help relieve this stress and bring the joy back to new car buying!
The Car Blog, or TCB for those who are acronymically inclined, is alive because some of today's top Web designers needed a place to drool and bitch about their motor vehicle obsessions.
Read the auto blog at Automotive.com to get the latest news and opinions, view the newest concept cars, and join discussions with auto experts from around the world.
Read the auto blog at Motor Trend Online for the latest auto industry news, expert opinions, vehicle photos, and more.
Join other Envoy Enthusiasts and chat about your GMC Envoy SLE, SLT, Denali and XUV. We are a growing community and would like to here from you.
| | » Advertisement | | | |
