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  1. cjones

    Hot IAC

    for the IAC - disconnected, what is the ohms reading between the terminals on the IAC?? what is the ohms reading between each terminal and the case?? TPS - disconnected, what is the voltage on the BR/W wire and battery ground?? if 5volts, run a voltage drop test on groung circuit at TPS...
  2. cjones

    Pulled out that piece of crap radio shack alarm..now door locks no workee..

    the alarm was probably spliced into the lock circuit. here is the diagram, start checking :) ...
  3. cjones

    cooling fan and A/C issue

    first check fuse #6 20Amp. with A/C ON. check for power on PK wire at A/C Clutch Cycling Swt. if power check for power on BK/Y wire at A/C Clutch Cycling Swt.
  4. cjones

    Not the alternator...Battery still drained?

    have you connected an Amp meter to the neg battery cable and checked for a draw yet?? as i stated to do in your other post. if you don't have an induction probe you'll need to disconnect the battery neg cable and connect the amp meter between the Neg battery terminal and Neg battery cable.
  5. cjones

    E-brake issues

    check to see if the parking brake switch is loose.
  6. cjones

    intermittent power failure

    hopefully that was the problem. we were looking for a loose/corroded connection.
  7. cjones

    Is my computer dead?

    no, what we're saying is a chip could cause a FALSE code 511.
  8. cjones

    Is my computer dead?

    but according to ford pin 1 has nothing to do with 511. if the EEC fuse was blown then the car would not start because there would be no power to the EEC relay hence no power to the EEC. i stated to check power there just because some techs i know had said to do that in the past. when i had...
  9. cjones

    what heads do I have here

    IIRC the casting numbers are under the head intake side near where #1 cyl is between the pushrod holes. you may be able to see it with a flashlight and mirror.
  10. cjones

    Is my computer dead?

    sorry but 512 is KAM. 511 is ROM test failure...according to ford a 511 is replace PCM though some say you should check for power at Pin #1 YE before replacing it. if no power then check EEC 20Amp fuse.
  11. cjones

    AC Recharge

    hissin, your memory is correct...2.13lbs yukisho, don't forget to see how much oil you pull out (during evacuation) so you can replace it. remember to use PAG oil for 134a systems.
  12. cjones

    intermittent power failure

    when you say that you lose all power, you actually mean ALL power. no power at the fuse block, right?? or just no power at the dash and computer. also, if you unplug the A/C compressor's electrical connector can you duplicate the problem?? check all grounds (engine, chassis and...
  13. cjones

    Fuel Pump, or 02 sensors?????

    could be the fuel pump overheating or the relay or other electrical connection overheating. what were the codes?? a cps sensor and O2 sensors would not cause fuel pressure to go to 0. btw only the front sensors are used to control air/fuel ration. the rear sensors are for Catalyst...
  14. cjones

    HELP NEEDED

    yes, you should have 12v on that wire with the key in the START position.
  15. cjones

    1987 LX problem... battery drain?

    sounds like a drain...put an amp meter on the neg battery cable and see how much of a draw you have. if it drops in 3 hrs you would have a large draw. if you do, start pulling fuses until it drops generally below 1 amp. remember the clock, stereo, computer, alarm all draw some power.
  16. cjones

    cold engine ? and ect sensor index

    IAT (Intake Air Temp) - if that shows warm air coming in then it could cause problems. when you replaced the ECT you replaced the coolant sensor with 2 wires, right?? have you run codes??
  17. cjones

    Failed emissions

    if they have a visual test then the cats would be a problem. i've seen some cars, mostly carbed, pass emission (tailpipe test) without cats. in CA and AZ if the tester can not get to the tailpipes safely they can refuse to test it. although i never refused a car for that when i did them in...
  18. cjones

    Car stalls again!

    make sure the computer is able to change the speed. during a KOER test the computer checks for that. do a KOEO test as well.
  19. cjones

    Car stalls again!

    if it's steady then yes that's most likely the cause. also check your ignition timing and if you changed your cam did you time it?? late cam timing could also cause low steady vacuum. have you checked your IAC??
  20. cjones

    Failed emissions

    you could try lowering the fuel pressure. also, what were the other readings CO, O2, CO2, NOx?? do they do an ASM test (2 speed), or an IM 240 style test (varying speeds normally following a trace)??
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