Recent content by grrrrmo
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2009 Tahoe..P0641 code appearing ONLY when it rains - SOLVED
I just wanna thank you for saving me countless hours!. I was having the same issue with my 2009 Chevy Silverado 4WD. I started with changing the MAP sensor, cleared the code it worked for a short while but then as soon as i step on it hard it would send it to limp mode. Then I came across this...- grrrrmo
- Post #12
- Forum: Engine & Drivetrain
