Question about 1994 Ford F150 Styleside Supercab
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Posted on Jan 02, 2017
SOURCE: I hooked up scan tool
172 is:Oxygen sensor not switching - system is or was lean - Single, Right or Rear HO2S - Fuel control -generally means to just replace the O2 sensor, behind the cat on the right (passenger) side-monitors cat efficency, that by itself will not cause a performance problem unless your cat is really bad (as in plugged).
411-idle speed system not controlling idle properly (generally idle too high) - ISC and
412-idle speed system not controlling idle properly (generally idle too low) - ISC - your Idle air controller is just not doing it's job. and might be the cause of your other problem (172)-that doe3sn't mean you might not have to replace the O2 sensor or the cat if it is too far gone, but I'd look at that problem first-make sure it is plugged in, no intake leaks (use a can of throttle body cleaner to locate any leaks while the engine is idling). You sometimes can remove an IAC and clean it, clean the bore it came out of, and install it, and everything is good again-just spray the BOTTOM HALF of the IAC though, do not get any of the delecate electronics wet with cleaner. It does work sometimes.
538-System did not receive "goose" test - TESTS - this must means when you ran the KOER test, you did not satisfy the ECM that you 'goosed' the accelerator when requested-common and in no way an issue relative to the other codes. Your biggest concern is to figure out the idle issue (Idle Air Control)-then deal with the O2 sensor (remember it might be the cat, but that would be kind of unusual.)
Posted on Jul 28, 2011
SOURCE: 1994 Ford F150 Head light bulb
i will assume you mean the headlight bulb. in the engine compartment directly behind the middle fo each headlight is the plug and bulbs. turn the round piece(will be either gray or black) and the bulb pops out. install is reverse of removal.
Posted on Oct 18, 2008
SOURCE: 1994 F150 Airbag Trouble Code 51
Code 51 means you have to
retrieve the real code from the computer.
Ignition switch should be on with engine off.
Locate the black RABS II diagnostic connector.
Disconnect the two halves.
Attach a jumper wire to the black with orange stripe wire side of the diagnostic connector. Ground the jumper wire ground for a few seconds. ABS lamp should start flashing.
Count the flashes. For example, three short flashes followed by one long flash indicates diagnostic trouble Code 4. The code will continue to repeat itself until the key is turned off. A code of 16 means normal system operation.
The last step of the system test always includes clearing the Keep Alive Memory (KAM).
To do this, simply turn off the ignition while the diagnostic connector halves are separated
Then diagnostic connector should be re-assembled.
After getting the real code, then we can look it up and see what the 51 was trying to tell us to look for.
Posted on Sep 05, 2010
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