Coil pack going bad?
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Coil pack going bad?
My wife has a 2000 EB Expy, 48,000 miles. Lately she's been telling me that the trucks been "chugging" when going down the highway. So I took it out for a ride and sure enough at a steady speed of 60 or so the darn thing starts to buck a little. We just recently had the trans fluid changed and I'm getting a little worried. It kind of feels like the engine is missing. When the coil packs start to go what are the symptoms? Has anybody else had this happen to them? Thanks.
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From: North Carolina
Coil packs
Just made a repair for a customer on 2000 4.6, 60K miles, doing the same thing. It was not missing often enough to set a trouble code but you could feel it when you drove the truck. Replaced all the coils on one side (drivers) and problem went away. I saved the old coils and ran resistance test on them but was unable to determine the good from the bad. The dealership was going to replace them all. For about $800.
Still trying to develope a method for checking those things........
Still trying to develope a method for checking those things........
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I guess I'll find out this Friday if it's a coil pack or not. The symptoms came and went and finally this morning the service engine soon light came on. Mama's not too happy and I can't wait to see what this is going to cost me. I'll let you all know as soon as I find out.
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Originally posted by boxdoc2
Is it difficult to replace a coil pack? I'm told that my #1 needs replaced. Similar issues only my "chugging" gets really bad. Seems to run better in the cold weather though. Hmmmm.....
Is it difficult to replace a coil pack? I'm told that my #1 needs replaced. Similar issues only my "chugging" gets really bad. Seems to run better in the cold weather though. Hmmmm.....
Should'nt take more than 20 minutes - and that's going along real slow.
XXL
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From: North Carolina
Also be sure new coil pack has spring inside of boot. On some cylinders you may want to remove electrical connector from injector and turn injector out of the way. Gently wiggle injector back and forth until it moves freely.
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The missus took it to the dealership. They plugged it in to their computer and it spit out the culprit. I do think I'll be buying a SCMT for this rig soon, I've got one for my truck and it reads the OBD II codes. I'll kill 2 birds with one stone, a little more power for the missus and a good diagnostic tool for me.
