Quote:
Originally posted by Randall Grubbs
Its the harness for the injectors and sensors. I was wondering how it would solve this surging problem too but the car had a rock steady idle when I brought it in and all he did was the PS pump. I know he wrecked the connection at the driver's side cam sensor and he spliced back together best he could. I'm hoping maybe its a temp sensor. If I have the same problem then its on his nickel to find!
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That reminds me, right before I replaced my wiring harness, I took the car to my body shop for clearcoating. They cleaned the engine as well and they seemed to have inadvertently jiggled the connection to the temp sensor (the blue one). I remember the engine surging between somewhere around 500 to 1500 at idle and it didn't smooth out until above 2k rpm. I went on the shoulder and yanked the connection to the temp sensor. Car idled fine, but the aux fan was permanently on. Changed the harness soon after that...
Might be the same thing with yours...