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Old 05-08-2018, 08:44 AM   #4
HAEG
Heppasketties
 
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Join Date: Aug 2003
Location: Mercer County, NJ
Posts: 4,760
Re: Hesitation at cruising speed

Having similar issues myself recently, going to try the dielectric grease since I didn't use any when I recently replaced the plugs. I also had a set of barely used COP's I put on the car to replace my 112,000 mile ones. I have an issue at around 2,000 rpm's with a hesitation and possible misfire. Curious what Stangmach104 will find with his car.
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2011 Shelby GT-500 Grabber Blue
W/SVT Performance Package
Born on Friday, 6-25-2010
Purchased 8-19-2010

2003 Zinc Yellow Auto I/UP (Build #8280 of 9652)
Born on Thursday, 7/17/03
Purchased 8-18-2003 first owner
Sold 8-19-2010 bought GT500
Purchased again 3-3-2017 fifth owner
Purchased for my wife to drive (but she knows I love the car)
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