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Thanks for the reminder...I've been meaning to do just that. That was my fb post.
After quite a few hours of troubleshooting I was coming to terms with the fact that I may need a new DDE module. As a last ditch effort I sprayed the pins for the plug that has the coolant temp sensor on the DDE. After letting it dry and blowing out with compressed air the temp reading dropped to right where it belonged. Oxidation or potentially some metallic dust from grinding or cutting in the garage while it say on a shelf was shorting the pins resulting a very low resistance reading. It's been perfect for 3 days now....no codes. I'm hoping to check EGT tonight with ISTA as that was reading at 300C+ on cold motor.
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