C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Fx-3????

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Old Jun 11, 2009 | 09:29 PM
  #1  
badstreetrod's Avatar
badstreetrod
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Default Fx-3????

NEED SOME HELP WITH THE FX-3 ON MY 94, RECENTLY PURCHASED THEN DISCOVERED THE RIDE CONTROL WAS GONE SHOCKS AND ACTUATORS, MODULE WAS STILL THERE SO AFTER A TRIP TO A LOCAL USED PART DEALER CAME UP WITH THE WHOLE SETUP NOW INSTALLED BUT WITH A CODE 14 AND 21 Have read some articles saying it was actuators some say shocks the valve turns easly from stop to stop any ideas,,, thanks in advance,,,,,
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Old Jun 11, 2009 | 09:37 PM
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94z07fx3
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If you can spin from stop to stop with your thumb and forefinger easily then it would point to the actuators. Since your codes, 14 and 21, are for the fronts you could easily pop the actuators off and have an assistant turn the key from off to run and watch to see if they (the female gear inside the actuator) spin at all.
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Old Jun 12, 2009 | 01:04 AM
  #3  
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From: 1994 LT1 Coupe 6-speed with FX3 & 2000 LS1 Vert 6-Speed with F45 Hunterdon County, NJ
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presume you've reset the codes and they continue to return (if not, try that).

DTC 14/21 (RF, LF) is a 'time out' error, meaning the control module detects the actuator is 'moving slower than a specified rate of speed'.

If the actuators were sitting unused for awhile, it might just be slow and will improve, or there could be gunk in the actuator.

One other thought -- the shock gear should protrude above the 'cup' a minimum of 4.5mm. Wonder if it were too high, might it cause the gear to rub inside the actuator inside/above the plastic gear.

Also, there were two 'models' of the FX3 system, so hopefully your shocks are the 'newer' model to match you 1994's FX3 module (believe the actuator was the same).
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Old Jun 12, 2009 | 10:08 PM
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Default Fx 3 or bust

HI,, AND THANKS FOR THE REPLYS HAD I SPENT A LITTLE MORE TIME ON THE THREAD SEARCH I WOULD HAVE FOUND THESE ANSWERS, RAN ACROSS SEVERAL GOOD POST LATE LAST NIGHT, HERE ARE THE RESULTS SO FAR,,, RIGHT FRONT ACTUATOR SPINS BOTH DIRECTIONS AND SETTLES IN THE MIDDLE LEFT FRONT DOES NOTHING WILL SWITCH SIDES TOMORROW TO MAKE SURE ON THE WIRING FOR LEFT SIDE, I ALSO HOPE I HAVE THE SAME SHOCKS ALL THE WAY AROUND THE PARTS DEALER, IS PLAYING DUMB ON THAT, I SUGGESTED RETURNING THE WHOLE SYSTEM FOR A REFUND AND SHOP ELSEWHERE, I KNOW NEW IS HIGH ABOUT 2000 AT MID AMERICAN IS BEST PRICE I HAVE FOUND .DEALER SAID SINCE I HAD ALREADY INSTALLED THE SYSTEM THERE WAS NO REFUND,,,, ON USED PARTS,,,,, WOULD REPLACE THE DEFECTIVE PARTS ONLY,,,,,,WILL POST THIS DEALER LATER SO READERS CAN BE WEAR,, OF HIM
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Old Jun 15, 2009 | 09:50 PM
  #5  
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Default Final post for this thread

THANKS FOR THE HELP, WITH SEVERAL DAYS OF DEALING WITHE USED PARTS DEALER ALL PROBLEMS RESOLVED ONE BAD ACTUATOR, THAT HE FINALLY MADE GOOD AFTER 2 WEEKS OF PUTTING IT OFF, HAVE SINCE REBUILT THE HEADLIGHTS NOW ITS OFF TO THE OPTI SPARK AND WATER PUMP PARTY THANKS FOR ALL THE INPUT
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Old Jun 16, 2009 | 10:50 AM
  #6  
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RandyJ75
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From: Mt Laurel NJ
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FYI,
Posting in all caps is the same as shouting, no need to do that, we are here to help.

Good luck on your next project.

Randy
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Old Jun 16, 2009 | 08:48 PM
  #7  
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well didnt know that,,, must have missed that day of e mail school. who makes this stuff up????????????? Any way thanks for your input all though it had nothing to do with the thread,some give what they can others,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, ,,,,,,,,, good day
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