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Forum: C4 ZR-1 Technical Postings 06-06-2011
Replies: 8
Views: 1,235
Posted By BigBiss
Re: Stutter/heistation at low RPMs

Ted, the idle seems fine, but as soon as you touch the throttle it really stumbles. I have checked all around the throttle body and plenum and all looks ok. I am gonna take a closer look when I...
Forum: C4 ZR-1 Technical Postings 06-06-2011
Replies: 8
Views: 1,235
Posted By BigBiss
Re: Stutter/heistation at low RPMs

Thanks all, I did change the alt without pulling the plenum,thinking that was the easier way to go. I had to pull the throttle body assembly though to get it off. I am going to check the injectors...
Forum: C4 ZR-1 Technical Postings 06-05-2011
Replies: 8
Views: 1,235
Posted By BigBiss
Stutter/heistation at low RPMs

I had to change the alternator and now have a serious stutter at low RPMs even in neutral. The secondaries are kicking in, but stutter is there at low rpm in all gears. I did change some of the...
Forum: East Central Region 06-05-2011
Replies: 0
Views: 1,285
Posted By BigBiss
Need Help In Clarkston Michigan

I have developed a serious stutter in my 91 Zr1. Secondaries seem to be kicking in fine but a lower rpms there is a real stumble. I replaced the alternator and had to pull the throttle body but did...
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