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Search took 0.02 seconds. Search: Posts Made By: Vettetech1
Forum: C4 ZR-1 Technical Postings 07-23-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
Re: 92 Z NIGHTMARE

they were new
Forum: C4 ZR-1 Technical Postings 07-23-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
Re: 92 Z NIGHTMARE

Well just got a chance to take it out on the road. Even tho there is a stumble sitting in neutral, you cant notice it while driving it on the road. Maybe I'm just being to critical of it in the bay.
Forum: C4 ZR-1 Technical Postings 07-22-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
Re: 92 Z NIGHTMARE

Over the past 3 years all 16 injectors have been replaced. It came in a few weeks ago running like crap after it was warmed up in power mode. Found 2 bad secondary injectors. After looking at his...
Forum: C4 ZR-1 Technical Postings 07-22-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
Re: 92 Z NIGHTMARE

No luck after bumping the tps up to .56
Forum: C4 ZR-1 Technical Postings 07-22-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
Re: 92 Z NIGHTMARE

I don't get the Vacuum reading either maybe just an extra parameter that me scanner has for a sensor the car doesn't have. Ill try bumping the TPS up some and see if that helps It will run up till...
Forum: C4 ZR-1 Technical Postings 07-22-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
Re: 92 Z NIGHTMARE

Was able to use head shrink on the nipples of the PCV valves to tighten them up in the elbow. Closed throttle TPS is .52 volts. smooth counts through the range stopping at 3.9 WOT
Forum: C4 ZR-1 Technical Postings 07-22-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
Re: 92 Z NIGHTMARE

Watched it on my Solus but don't see a dip. I will have to check with an ohm meter. Its odd it only does is when you stuff it. If you gradually ease through the throttle it is fine.

Also I know...
Forum: C4 ZR-1 Technical Postings 07-22-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
Re: 92 Z NIGHTMARE

Got the miss figured out it was moister in number 8 plug well. Now i got a hesitation off idle. Fuel pressure is good 55- 60 WOT no sag in fuel pressure coming off idle. I don't have data logging...
Forum: C4 ZR-1 Technical Postings 07-20-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
Re: 92 Z NIGHTMARE

CODES would be great!!!! I'm the tech for ACI and most things that go wrong on corvettes I know from experience. I haven t had the pleasure of too many LT5 cars however. (Would like to get my hands...
Forum: C4 ZR-1 Technical Postings 07-19-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
Re: 92 Z NIGHTMARE

I had a knock code throw at one point. That's what brought me to this forum. But I haven't been able to get it to come back. The vacuum hose to the map sensor on the back of the plenum is new. The...
Forum: C4 ZR-1 Technical Postings 07-19-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
Re: 92 Z NIGHTMARE

No codes, seems to be going through o2 loops like it should. Yeah checked all wiring didn't find anything but the starter wire chewed on. Found moister in cylinder 8 plug well dried it up, seemed to...
Forum: C4 ZR-1 Technical Postings 07-19-2013
Replies: 30
Views: 9,753
Posted By Vettetech1
92 Z NIGHTMARE

Ok so I started this in the knock sensor holding you back thread and decided to start a new one. After replacing some injectors the car ran great. It sat a few weeks and the customer picked it up...
Forum: C4 ZR-1 Technical Postings 07-17-2013
Replies: 27
Views: 17,792
Posted By Vettetech1
Re: Is you Knock sensor taking performance down for the count?

I hate Bosch, Champion, Denso, and NGK. I know some people live by those plugs but i have never had luck with them. This thing has only got 23000 on it, never beaten original tires (which blow by the...
Forum: C4 ZR-1 Technical Postings 07-16-2013
Replies: 27
Views: 17,792
Posted By Vettetech1
Re: Is you Knock sensor taking performance down for the count?

Thanks Pete that was my biggest concern was the knock sensor ohms. I got the upper off and don't see any fuel dripping from the injectors. Seems to hold fuel pressure on the gauge and run in spec....
Forum: C4 ZR-1 Technical Postings 07-16-2013
Replies: 27
Views: 17,792
Posted By Vettetech1
Re: Is you Knock sensor taking performance down for the count?

See that's what I was wondering I know this car sits. When he came to pick it up it was sitting on reserve with one bar left. Per my boss I just pulled the plenum to recheck the injector ohms 12.4 to...
Forum: C4 ZR-1 Technical Postings 07-16-2013
Replies: 27
Views: 17,792
Posted By Vettetech1
Re: Is you Knock sensor taking performance down for the count?

I did see the service ASR light come on yesterday, but it isnt on now. The service ride control light will go on and off while driving but it did that last year also. This all started as a feeling of...
Forum: C4 ZR-1 Technical Postings 07-15-2013
Replies: 27
Views: 17,792
Posted By Vettetech1
Re: Is you Knock sensor taking performance down for the count?

Bring up this thread again. Got a 92 zr1 here has a code 43. Suspecting a knock sensor issue. OHMed the sensor and it is at 3.891k. Customers car not sure of full repair history on it. Know all...
Showing results 1 to 17 of 17

 
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