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wierd hesitation/sputter issue when wot



Have you checked spark plugs? When I just moved my coil packs I had issued with it stuttering one my coil packs was going out I think. I also added a ground from my battery to the block and then added a ground from the plate they sit on to the block also make sure there is no rust or corrosion on the coil pack posts
 
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I put new spark plugs and new wires, still the exact same issue.
I'm looking at the coil packs next. But I'd hate to replace them and not fix the issue lol.
 
Pick some up from the junk yard. That is what I did. I think the stock coil packs are better then any after market.
 
Did a WOT run last night, major hesitation and loss of power, got a flashing c.e.l light also code was p0302 , a misfire. Going to replace the coil packs this weekend
 
Just move them around and see if it moves. I just had a miss under full throttle and set up Torque to display misfire in each cylinder. When It started dropping power it had like 400 misses on Cylinder 1. I changed the #1 wire and still same thing. I had already changed the plugs 2 weeks ago and it ran great to Dallas and back then I degreased the engine compartment and that's when it started. I ended up changing the coil and it went away. I had gotten the flashing CEL before as well. It still amazes me that a coil can go bad on a waste spark coil and only one plug is affected. One other thing I can't watch the video right now, but I also got a rattling sound like I had something in the cylinder when I would get on it. Sounded like it was knocking and something was loose in the engine. I thought I had chipped a piston it was so bad sounding. So anyway it was the coil.

Jeff
 


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