Ok folks here we go. Have a 2007 Yukon Denali. Started acting up a couple weeks ago. Warm it up drive 10-15 miles and it idles down when coming to a stop. Went to back it into a parking spot and dies with a minor idle surge prior. Call tow truck after disconnecting negative cable for ten or so...
Hey everybody,
my tahoe was acting very strange today...
When I turned it on after sitting for an hour the engine idled very rough between 500-800rpm and needed like 30secs to stay at 650rpms.
After 15mins of driving the check engine light came on and the display said the engine has reduced...
I own a 2003 GMC Yukon XL 1500 4WD 5.3L and recently put in a new alternator. After installation I started the Yukon and noticed that the idle is not correct and the engine stalled. I drove the car around hoping that the computer would reset, but to no avail. I charged the battery overnight...
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