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The Terminator
Engine/Tuning
Bad Coil Pack possible cause of Raptor shift light lighting early
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<blockquote data-quote="flyn high again" data-source="post: 4988855" data-attributes="member: 9555"><p>Guys, it may be too soon to say for sure but I wanted to throw this out here in case anyone else had extra info or was having this same issue.</p><p></p><p>My Raptor shift light started lighting at 3,000 rpms when I would leave home with the car cold. It is set for 6,000. Running it up to 4,000 rpms once or a few times would usually return the shift light to proper operation. I've been asking around but no one I talked with [including Rick from Raptor] had heard of this happening.</p><p></p><p>Recently I blew a plug out of my passenger head. It took the coil pack out with it. Shelby Guy repaired the head with an insert and I bought a set of used coil packs from Matt [DSG03COBRA]. He had 1 bad coil pack and bought a new set. I figured I bought 7 good ones and 1 bad one.</p><p></p><p>Matt and I started talking and I discovered that he, too, had the problem of the Raptor lighting early. After discussing this, our thinking is that a bad coil pack or problems with spark plug blow by affecting my coil pack may be what was responsible for the Raptor shift lights lighting early. It's only been a few days but so far with the replacement coil packs both of our shift lights are once again working properly. I have not had the early lighting at all since I swapped the coil pack [and put in new plugs].</p><p></p><p>Has anyone else experienced their Raptors lighting early and if so, what did you find out?</p></blockquote><p></p>
[QUOTE="flyn high again, post: 4988855, member: 9555"] Guys, it may be too soon to say for sure but I wanted to throw this out here in case anyone else had extra info or was having this same issue. My Raptor shift light started lighting at 3,000 rpms when I would leave home with the car cold. It is set for 6,000. Running it up to 4,000 rpms once or a few times would usually return the shift light to proper operation. I've been asking around but no one I talked with [including Rick from Raptor] had heard of this happening. Recently I blew a plug out of my passenger head. It took the coil pack out with it. Shelby Guy repaired the head with an insert and I bought a set of used coil packs from Matt [DSG03COBRA]. He had 1 bad coil pack and bought a new set. I figured I bought 7 good ones and 1 bad one. Matt and I started talking and I discovered that he, too, had the problem of the Raptor lighting early. After discussing this, our thinking is that a bad coil pack or problems with spark plug blow by affecting my coil pack may be what was responsible for the Raptor shift lights lighting early. It's only been a few days but so far with the replacement coil packs both of our shift lights are once again working properly. I have not had the early lighting at all since I swapped the coil pack [and put in new plugs]. Has anyone else experienced their Raptors lighting early and if so, what did you find out? [/QUOTE]
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Bad Coil Pack possible cause of Raptor shift light lighting early
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