× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P1151 Diagnostic Trouble Code Discussion for June 2010

Electronic Throttle System Sub Accelerator Position Sensor 2 Circuit Malfunction

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1151
Help Request Posted
2003 Ford E-150 4.2L MIL Lamp on VIN: 1FTRE14253
P1151: lack of ho2s - 21 switch sensor indicates lean. ... that came in for code p1151 We checked all the basics and then did a smoke test to check for vacuum leaks. We found no vacuum leak, but found a TSB for intake leaking vacuum when cold causing code p1151. We changed the intake and the code came back a coupl...
June 07, 2010
1999 Mercury Cougar V6 2.5L MIL Lamp on VIN: 1ZWFT61L9X
P1151: O2 lean bank 2. Thanks to all. I have this cougar with a 2.5 V6, with what I believe is a vacuum leak. Please read the repair history to go along with this. I have disconnected the battery & cleared the computer. When the vehicle is started the short term fuel trims will ...
June 09, 2010
1996 Ford Contour SE 2.5L No Start VIN: 3FALP67L4T
P1151: Ho2s21 sensor indicates lean. I think ive heard about this before but cant remember solution . Car cranks fine , will not start under any conditions unless ether is sprayed into throttle body area .once running you can drive the car all day long .that o2 sensor cant make a no start , can i...
June 23, 2010