1989 Park Avenue dying after 60 miles, restart immediately then
89 park avenue would die after around 60 miles, restart immediately then die again after just about 4 to10 miles, restart and then repeat the 4 to 10 mile thing. Then started hard starting...crank and crank, some backfire, then last week no start with backfire (was cold during the no start)...warmed up yesterday and started right up with no issues at all..tried all day and kept starting with no problems. Turned cold overnight and tried this morning and started right up again, no issues. Had been thinking the fuel pump going out...but now with no issues, was wondering...vehicle did show a code prior to all this of either crankshaft sensor, camshaft sensor or ignition module. Help!!!
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do you have a make and model of the vehicle? does it blow fuses.I would say that the A/C is aftermarket and interfering with the electronics on the vehicle shutting it down. maybe try connecting the compressor to a different power outlet and see what happens..
Is it possible that your getting bad gas in your area? since it ran fine on the trip and now that your back home its not? maybe try a different gas station. if not you'll probably have to take it to a well equipped shop to have it hooked up to a scan tool that can read data while your driving to see the ecm info when the problem occurs.good luck as intermittent engine problems can be difficult sometimes.
Replace the crank sensor as they get hot they will sometimes quit working. The temp light comes on everytime the engine is turned off and the switch is on. Next time it dies spray or pour some water on the sensor then see if it will crank and if it does you know what it is.
check harmonic balancer for slop back and forth,,,,these 3.8's have a crank posision sensor behind the balancer,that run off of the balancer,,,gthe rubber wears out and they start to flop around and timing gets messed up.../they cost around 100 bucks for a aftermarket,and if thats the problem,do yourself a favor and replace CPS while tour at it....good luck...Lee