Car's vibrating under acceleration - ZR-1 Net Registry Forums

rogerzr1 · 06-06-2011

Ok, so we just replaced the plugs, coil packs, and plug wires on my red 91. Took it out a couple of times and it ran GREAT! I took it out a couple of days ago and noticed some hessitation and vibration when under hard acceleration with the power key on. I turned the power key off and got on it hard and there was no hesitation or vibration(it ran fine).

We noticed when we had the plenum off that it looked like it had some different injectors- meaning some might be originals some not. Does it sound like I have and injector problem on the secondary side?

Thanks, Roger

06-06-2011	#1
rogerzr1 Join Date: Sep 2007 Location: Georgia Posts: 231	Car's vibrating under acceleration Ok, so we just replaced the plugs, coil packs, and plug wires on my red 91. Took it out a couple of times and it ran GREAT! I took it out a couple of days ago and noticed some hessitation and vibration when under hard acceleration with the power key on. I turned the power key off and got on it hard and there was no hesitation or vibration(it ran fine). We noticed when we had the plenum off that it looked like it had some different injectors- meaning some might be originals some not. Does it sound like I have and injector problem on the secondary side? Thanks, Roger __________________ Roger Miller 91 ZR-1 #391

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