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2000 grand cherokee random codes.

971 views 2 replies 2 participants last post by  crazyman03 
#1 ·
So lately, my job has me going up to Wyoming and back frequently this year.

2 weeks ago when I went up, I had an interesting CEL code
P0204 - Injector # 4 open on cylender # 4.

Just this past monday, i went back up and the CEL came back on. I checked it,
P0208 - Injector # 8 output driver stage does not respond properly to the control signal
P1682 - charging system too low.

I was surprised not to see the same code from the first time since i drove the same speed (72 MPH @ ~2400 RPM on cruse).

about a month ago, I had
P0320 - No Crank Reference Signal at PCM
P1685 - No SKIM BUS Messages Received



I've noticed that when i drove it these past few times up to Wyoming, I get a vibration when i'm at a steady speed. I thought it was my tires at first, but it only seems to do it when i'm just about 1/8th on the gas.

Given the errors, do i have a bunch of problems that just decided to all come out at once? or could it be a computer related issue? the jeep runs great just when you drive it on the highway for a bit of time, it starts throwing codes at ya. ideas?

What I've done to it lately,
New rod bearings (0 under)
Newish Alternator (off of '05 Durango, only 90k the junkyard tells me)
Battery replaced 2 years ago
New Radiator (not relivent, but putting it out there)


2000 Grand Cherokee 4.7, 213k.

Any input would be helpfull, thanks in advance!



-Justin
 
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