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#519311 - 06/25/08 03:45 PM
Code 54 (54 No sync pickup signal during engine rotation)
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Member
Registered: 10/30/07
Posts: 51
Loc: Texas
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What is the common cure for a Code 54?
Now that I have the air conditioning fixed and am re-assembling my interior, my random stalls, hard starts are becoming more frequent.
Damndest thing, sometimes it will start right away, sometimes it needs to sit for a couple of hours. Right now, its sitting on the road two blocks from my house. Hopefully it will start so I can move it to the garage, but I would like help troubleshooting especially considering I'm trying to make the TC my daily driver to graduate school that starts Monday, 30 June.
Thanks.
Darrin
_________________________
Darrin Vicsik
San Antonio, Texas
TC Member Number: 4377
1989 Yellow/Ginger 8V Turbo II
Replaced front and rear fuel lines and filter
Replaced Plugs, Wires, Coil (Champion, Aurora, Accel)
Flush/Fill Coolant
Replaced Turbo Coolant Hose
Repaired CHMSL
Replaced All Rotors/Pads (Raybestos)
Replaced Tires (Bridgestone Potenza RE960AS Pole Position)
Repaired Rear Quarter Electric Motor
Replaced Infinity Cassette w/Chrysler CD/Cassette Combo Unit
Repaired Passenger Power Seat
Replaced Power Mirror Switch
Flushed/Adjusted/Changed Filter on A413 Tranny
Replaced Odometer Gear (www.odometergears.com)
Replace Accumulator/flush brake system (pending)
Replace Rear Springs/Shocks (pending)
Replace Front Struts (pending)
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#519330 - 06/25/08 05:05 PM
Re: Code 54 (54 No sync pickup signal during engine rotation)
[Re: vicsik1969]
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Member
Registered: 09/16/03
Posts: 210
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http://www.knizefamily.net/minimopar/fault/code54.html]
The HEP, hall effect processor is failing. Use Mopar only unless you enjoy bring parts back to the parts store.
If you enjoy junkyarding, Pick up a couple extra when you can. They are know to fail without warning.
Interesting note from another site is that a new mopar distributor is not much more than just this part.
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#519369 - 06/25/08 08:54 PM
Re: Code 54 (54 No sync pickup signal during engine rotation)
[Re: vicsik1969]
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Member
Registered: 11/25/06
Posts: 811
Loc: Clarksville, VA
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Hi,
What usually happens is: there is an internal break in the conductor(wire). By you securing it you have actually caused the two ends of the internal break to touch.. You have not repaired anything. My feeling is that at the worse possible time the contact will be broken and the engine will stop.. I suggest you replace the wire or a whole distributor.. Good Luck, Lou
_________________________
Lou Zarelli
TC America,
'89 Yel/Gin/Black,23,000mi.
'91 Yel/Gin/Black,24,000mi.
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#519418 - 06/25/08 11:41 PM
Re: Code 54 (54 No sync pickup signal during engine rotation)
[Re: LouZ]
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Member
Registered: 12/07/03
Posts: 861
Loc: SoCal
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Yeah, they are so small, light and easy to replace on the SOHC cars that I have always kept a spare in the glovebox with an el-cheapo $.99 stubby Phillips screwdriver. Had to replace maybe 4-5 over the years.
Also when you do delve into it a little deeper, make sure the female side of the pins in the 2 connectors are tight when plugged in. If they loosen up, contact can be lost and give the symptoms of a failing HEP. You can close them up a bit with a Jewler's screwdriver
Alan
_________________________
89 yellow/Ginger/black 16V TC
90 Yellow/Ginger/Black 16V TC-fastest TC in the world
A few other FWD Chryslers...
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#519443 - 06/26/08 06:58 AM
Re: Code 54 (54 No sync pickup signal during engine rotation)
[Re: TwinCamFan]
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Member
Registered: 11/25/06
Posts: 811
Loc: Clarksville, VA
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Hey Alan,
Is there an approved or at least suggested "Dielectric Grease" to coat the connection with to improve connectivity
Tks, Lou
Edited by LouZ (06/26/08 07:00 AM)
_________________________
Lou Zarelli
TC America,
'89 Yel/Gin/Black,23,000mi.
'91 Yel/Gin/Black,24,000mi.
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#519522 - 06/26/08 01:32 PM
Re: Code 54 (54 No sync pickup signal during engine rotation)
[Re: LouZ]
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Member
Registered: 12/07/03
Posts: 861
Loc: SoCal
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That's a great idea Lou  I've used dielectric grease on plug wires, on the pins on the SMEC and SBEC control modules but never thought of using it on the HEP pins  Alan
_________________________
89 yellow/Ginger/black 16V TC
90 Yellow/Ginger/Black 16V TC-fastest TC in the world
A few other FWD Chryslers...
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#519526 - 06/26/08 01:42 PM
Re: Code 54 (54 No sync pickup signal during engine rotation)
[Re: TwinCamFan]
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Member
Registered: 09/16/03
Posts: 210
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And zip tie the two halves of each connector together. Forgot that earlier.
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#519549 - 06/26/08 02:42 PM
Re: Code 54 (54 No sync pickup signal during engine rotation)
[Re: Bill Reichert]
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Member
Registered: 11/25/06
Posts: 811
Loc: Clarksville, VA
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Sometimes as familiar as we are with something, a part of it evades us
_________________________
Lou Zarelli
TC America,
'89 Yel/Gin/Black,23,000mi.
'91 Yel/Gin/Black,24,000mi.
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