"Peter" > wrote in message
...
> 99 Durango 5.9L has started behaving really weird. It starts up more or
less
> fine (have to crank it more than usual), and will idle fine. When I floor
it
> under load RPMs won't go over 2-3K, it starts coughing, and idles very
> roughly, then stalls (but sometimes will recover to smooth idle). I hooked
> up ODB scantool, and all sensors seem to be in working order. Whenever it
> starts stalling oxy sensor shows lean mix, and ignition advance fluctuates
> wildly between 10-25 degrees. No error codes. I even reset PCM by
> disconnecting battery - no joy.
>
> I'm thinking ignition trouble... had all wires, distributor cap and coil
> replaced recently with Accel hi-perf components... could it have something
> to do with this???
>
> Any suggestions welcome!!!
> Peter
>
Lean mixture, coughing, long crank time.... Check fuel pressure.
Glenn Beasley
Chrysler Tech
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