Quote:
Originally Posted by junker68
So, I couldn't leave well enough alone. I had to have cruise control...
As I was messing with the cruise control - reinstall it and troubleshoot it, I decided to mess with the fuse marked cruise control - #10.
Of course not wanting to do things correctly and turn the car off, disconnect the battery, I did it with the car running.
So I clean #10 and I think let me clean some of the other fuses, specifically #8 which deals with emissions. I notice when I removed the "emissions fuse" the car would idle differently - the idle went up when removed. I clean it put it back and as I clean things up and start the car back up it now has a rough idle and no power.
It was so bad, the car had trouble backing up a slight incline of my driveway.
It was getting late, I didn't do much troubleshooting and left it for another day.
Based on what I did, does anyone have any idea where to start. The car ran perfect before me messing with the fuse box.
A lot of good the cruise control does me now.
Thanks.
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Two scenarios of potential faults:
Red -
When the controller for the frequency valve was powered down, mixture control reverted to open loop, which is a bit richer than what would be the controlled mixture, hence a slightly higher idle speed.
Magenta -
Removing and restoring power to the controller while operating likely caused a voltage spike, a spike which may have damaged one or more solid state components in the controller, resulting in a mixture that is either way rich, or way lean; probably lean.