Question about 1993 Eagle Vision

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93 eagle vision error code 51

car when running runs great, good gass milage, good power, no hickups. has cut out on me, like it was running on two cilinders twice in one night in stop and go trafic mostly stop, nothing like that since, but the main problem is starting, will turn over but wont even try to start. then out of the blue it will fire up like noting is wrong. takes between 2 to ? attempts to start it before it will start. has fuel pressure, unclear as to how much pressure but it is there. havent tested for spark yet but has new plugs and wires. 155 k miles, ran a self diagnostic test and came up with error codes: 12, 51,51,55, have looked them up but havent found any simptoms that 51 causes that match what is going on with my car? 12 was caused when i unpluged my batt to clean it, and 55 is end of errors. unclear as to why it would list 51 twice? i am assuming i am missing something, i have also looked into the cam position sensor, i cant seem to find it to check wires, would a loose wire cause it to not start but once started run fine? any help would be great.

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  • glass69ss Jan 05, 2009

    ok update

    51 51 is more likely 66? but cant find a code 66?


  • glass69sss Jan 19, 2009

    hello ok so this is glass69ss i am unable to log back into my account at this time so ignore the "i have the same problem" title. Philriden thank you for you input it is greatly needed! ok update i re ran the self diognostic and got a new code 35 but no 51 this time. also i have moved the relays around they are all the same one, so i swaped them. no change. also there is no spark when trying to start it, so i tested the four wires going into the coil/distributer when it starts and runs all four wires have power, when cranking all four wires have power, when the key is in the on position, only one wire has power. there are no other wires going to the coil/distribute. i am under the usumption that if all four wires have power i should have spark?



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The code 51 is your automatic shutdown relay control. and the crank position sensor is on the bellhousing behind the passenger side valve cover.
Have you replaced any relays? Let me know.

Posted on Jan 16, 2009


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