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P1151 Diagnostic Trouble Code Discussion for June 2010

Electronic Throttle System Sub Accelerator Position Sensor 2 Circuit Malfunction


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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
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