Originally Posted by webzz
My 97 TBird LX 4.6 has been running like crap lately, at speed she cuts out for a second or two, the tach drops to zero then she picks up again. This time she threw the following code.
P0320 Ignition/Distributor Engine Speed Input Circuit Malfunction
Sometime she'll stall when I'm idling and won't start, just cranks, after a few minutes of sitting starts right up. I had a similar problem two years ago where she'd die out completely. I replaced the crank sensor and that solved it. Maybe the same again? Maybe a cam sensor? Any thoughts.
Here's a more current definition of P0320- No crank reference signal at PCM.
This is Chrysler's failure condition, your's is similar.
Set Condition: No signal from the crankshaft position sensor is present during engine cranking, and at least 3 camshaft position sensor signals have occurred. More than likely it's a CKP sensor but... in rare cases a bad CMP sensor can cause the 5V or 8V supply to colapse, causing this condition.