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
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
Lean mixture, coughing, long crank time.... Check fuel pressure.
Glenn Beasley Chrysler Tech hmmm double post?
LOL! Yeah. How would you suggest a person go about "checking for air bubbles"?
You guys were all wrong ;)
It was the coil
No air bubbles in fuel as far as I can tell ;)) Fuel pump is fine, too.
Swapped back OEM coil, and it runs as new. I also measured primary resistance on both coils, about 22Ohms on both... dunno how can I measure secondary winding. My idle is just a tad rough now - which was the reason why I 'upgraded' to Accel in the first place.
Now, I wonder how on earth can faulty coil account for smooth idle at first, then spluttering/missing during acceleration, and finally settle down to very rough idle? My only guess would be cross-induction caused by higher voltage... there actually is TSB out for 99 Durango covering ignition wires cross-induction. When I swapped back the original coil voltage went down and cross-induction stoppped. If so, why did it run just fine with Accel for several months???
Peter
A temperature sensitive connection (inside or outside) of the coil could cause this. There could be a problem with the Accel coils internal connections or one of it's external connections could have been corroded or loose. If it was an external connection, your swapping it with the origional would have cleaned that up and if it is internal, the coil is defective. When you increase RPM's of the engine, you increase the current flow which will heat up an improper or corroded connection and cause it to lose some or all of its ability to conduct and the coil output voltage will drop considerably if not fail completely and will stay this way until they cool down again.
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