I KEEP GETTING A CODE P0155 FOR BANK 2 SENSOR 1 MALFUNCION I HAVE REMPLACE THE SENSOR TWICE WITH NO RESULTS I EVEN TRACE BACK THE WIRE AND TEST THEM BUT WITH NO RESULTS IN WHAT DIRECTION SHOUD I GO NOW
what year and model ford do you have, and i'll go through the diag with you.
IM SORRY IS 1998 FORD F 150 WITH A 4.2L ENGINE CODE P0155 MALFUNCION BANK 2 SENSOR 1 I HAVE REMPLECE IT 2 TIMES WITH NO RESULTS AND ALSO I HAVE TEST THE WIRES WITH NO RESULTS I HAVE CHECK AT THE PLUG FOR GROUND, 12V FOR HEATER OF THE O2 AND VOLTAGE FOR THE SIGNAL AND IT SEEMS LIKE EVERY THING ITS OKAY!! PLESE HELP!!
heres the wiring diagram for the circuit.
HERE'S THE COMPLETE PIN POINT TEST FOR CODE P0155
Diagnostic Trouble Codes (DTCs) P0135 P0141, P0155 and P0161 indicate a short to ground, open, or short to VPWR in the HO2S heater circuit.
DTC/HO2S Reference List:
Note: On some applications, a vehicle hoist is required to access the HO2S harness.
Were any concerns found during the visual inspection?
No DTCs present. Fault may be intermittent. GO to Pinpoint Test Step Z1 with the following data: HO2S PIDs and a list of Possible causes.
Note: If DTCs P0135 and P0155 or P0141 and P0161 are displayed, both heater circuits will require testing. DTCs displayed separately are tested individually.
Is the voltage greater than 10.5 volts?
Is the resistance less than 4.0 ohms?
Is the resistance between 3 and 30 ohms?
Is the resistance greater than 10,000 ohms?
I hope this helps you out
THIS IS GOING TO TAKE ME SOMETIME TO DO HOW LONG DO I HAVE FOR ME TO ASK ANOTHE QUESTIN IF ALL OF THIS FAIL IN WICH I DONT THINK IT WOULD?! THANK YOU MUCH!!!
just reply back later, this week and tell me how it goes.
13YRS AS A FORD CERTIFIED TECH, PRESIDENTS AWARD WINNER FOR CUSTOMER SATISFACTION EVRY YR SINCE 1996
THANK YOU MUCH IM SORRY I THOUGHT THAT I HAVE ALLREADY PRESS ACCEPT!! BUT NOW I HAVE ANOTHER QUESTION NOW IM GETTING CODE
P3158 BANK 2 INTAKE MANIFOLD RUNNER STOCK OPEN I GO TO THE BOOK THE BOOK DONT EVEN LIST THE CODE WHAT SHOUD I DO??