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Author Topic: 88 RC 318 Keeps cutting out, now I have ignition problem  (Read 513 times)

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Offline dartman76

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88 RC 318 Keeps cutting out, now I have ignition problem
« on: September 28, 2012, 08:29:40 PM »
Ihave been having trouble with this for a while now, Can be driving and engine just quits. Acts like its not getting fuel, pour fuel in the throttle body and it will run until its gone. Wait a while some times only a minute other times over an hour and it will start right up. Changed out the fuel pump, fuel regulator and injectors and still have the same problem. Today it seams the ignition quit, no spark, cant find the ignition module to test it. Anybody got any clues for me?

Offline Captain Obvious

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Re: 88 RC 318 Keeps cutting out, now I have ignition problem
« Reply #1 on: September 28, 2012, 08:37:15 PM »
Its built into the computer behind battery.

Need to research or ask more about how this system works, as i can tell there is much assuming going on.

Fuel and ignition isnt simply powered by key. More complex. Automatic shut down system.


Distributor hall effect sensor sends a rpm signal to computer. Computer controls the grounds for these circuits. Not consyant chassis ground. Computer also tells asd relay on fender to send positive power to these devices, not controlled by simple keyed hot.

So, relay may be bad, harness may be bad, hall effect, or computer.

http://ramchargercentral.com/miscellaneous/tbi-156759/

http://ramchargercentral.com/technical-discussion/dodge-tbi-info-(work-in-progress)/

http://ramchargercentral.com/vehicle-help/confirmed-fixes-cheat-sheet/
« Last Edit: September 28, 2012, 08:42:34 PM by Captain Obvious »

Offline DODGEBOYS

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Re: 88 RC 318 Keeps cutting out, now I have ignition problem
« Reply #2 on: September 30, 2012, 07:47:09 AM »
most of the time its the hall effect [ Dist pickup ] and it can be tested before replacement


http://www.ehow.com/how_7640228_test-hall-effect-sensors.html
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Offline dartman76

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Re: 88 RC 318 Keeps cutting out, now I have ignition problem
« Reply #3 on: October 15, 2012, 08:45:26 PM »
Still having same problems, I have gone through the wiring harness and can find no cuts, breaks or corrosion spots,  Have replaced the ECM, does not have an ASD or Halls effect sensor. Shutting off can happen at any time. park the truck come back and it doesant start, driving on a flat road, sitting at a stop sign. Sometimes I can drive it for 40 minutes or more before it does it other times its after 5 minutes.

Offline Captain Obvious

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Re: 88 RC 318 Keeps cutting out, now I have ignition problem
« Reply #4 on: October 15, 2012, 08:49:14 PM »
If its fuel injected, it certainly does have both.

Go look again.

If they were missing you wouldnt start.

Offline powerwagon78

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Re: 88 RC 318 Keeps cutting out, now I have ignition problem
« Reply #5 on: October 16, 2012, 11:53:28 AM »
Your ASD will be on one of the inner fenders, and it controls voltage to fuel pump, injectors, and coil...if its the relay, you will be able to jump it across and it will start

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Offline Captain Obvious

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Re: 88 RC 318 Keeps cutting out, now I have ignition problem
« Reply #6 on: October 16, 2012, 12:53:53 PM »
The hall effect is inside the distributor. Has round 3 wire plug hanging off and a few screws in the base.

Offline chippqua60

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Re: 88 RC 318 Keeps cutting out, now I have ignition problem
« Reply #7 on: November 4, 2012, 12:26:11 PM »
 had this problem have someone move harness at distributor plug while cranking   dodge knew about this problem just not enough complaints for service notice   replaced harness plug no problems since!