Electric cooling fans blades came apart and also blowed the fuse so I installed New Fan
afterwards started getting 1391 & 1491 codes
codes went off and now on again
Fan runs and engine runs
I changed camshaft sensor and still same problem
engine has 221,000 miles
any info appreciated… Thanks

 

Did the exploding fan damage any wiring?

 

No Sir. Never got a code until fan was changed

 

What year/engine?

 

2000 4.7

 

Does that engine actually have EGR??

1391 is intermittent cam or crank sensor signal. Wiring problem maybe?

 

Will check connections…
Hopefully tree rats didn’t chew any wires… thanks

 

I have dogs, so, no tree rats here.