93 bonne w/ no spark
my friend's 93 lost spark. he replaced cam sensor & checked coils ,etc. even tho tests showed crank sensor good ,we changed that too.cleaned the grounds,started checking wire harness from coil pack to sensors on front of motor(each step we tried to start motor) no obvious wire breaks but everything dirty & greasy.then it fired up!we drove a few miles & all was well! next day no spark again-retraced the wiring again like we did when it fired up but no spark again. i guess we got lucky when it fired up ( it restarted several times that day) any ideas would be appreciated.thanks
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Originally Posted by takincareobiznes
(Post 1487754)
my friend's 93 lost spark. he replaced cam sensor & checked coils ,etc. even tho tests showed crank sensor good ,we changed that too.cleaned the grounds,started checking wire harness from coil pack to sensors on front of motor(each step we tried to start motor) no obvious wire breaks but everything dirty & greasy.then it fired up!we drove a few miles & all was well! next day no spark again-retraced the wiring again like we did when it fired up but no spark again. i guess we got lucky when it fired up ( it restarted several times that day) any ideas would be appreciated.thanks
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thanks for help. we swapped an icm w/ coils from my 97 ,the 93 worked on my car also! the 93 runs on all 6 cyls when it runs.going to break out ohmmeter today on wire harness to see if we can find a bad wire.
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i found bad wires going to the cam sensor, a little elec tape solved the problem! thanks
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