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1994 Chysler Concorde, engine turns over, no fire, asd relay

Yes, there is an auto shutdown relay in the relay/fuse box under the hood. According to test light, the asd relay is not energizing. After exchanging relays with another of the same chrysler part number, there is still no asd relay energization. What could be the problem if the relay itself seems to be OK. Drove home, parked car, next morning, no start (fire).

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SOURCE: 94 dakota 5.2 - no spark - auto shut down relay not energized

Hello this is a feature to stop the engine and exhaust system from filling up with gas when spark is lost! years ago fuel would be delivered as usual and you Eng and converter would be full of gas real hazard back then!!!!now they built into computer when spark fails fuel automatically shuts off safety feature??? or not? so i would start to test coil this is a good place to start and if you have engine light on plug in OBD 2 scan tool to retreve the fault hope this helps you out and if you do not have a proper spark tester tool i would invest in one most auto parts stores usually carry them!!! $15-$30 dollars usually.John

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Sounds like a short maybe. maybe the wire completely broke? if you know a technician, see if the fuel pump is even getting power when key is on

Posted on Jul 02, 2009

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Wont start2004 dodge grand caravan sxt code p0685 show on dash


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P0685 CHRYSLER - Auto Shutdown Relay Control Circuit Failure

Short or open in Auto Shutdown (ASD) relay circuit
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I have a 2003 dodge dakota. 4.7l. I get codes p0685 and p0688. No start no spark. Relay is good. But voltage drops when using a voltage meter on one of the grounds in the pdc. Any live wire and that ground...


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