Forum: C4 ZR-1 Technical Postings
06-19-2012
|
|
Replies: 22
Views: 9,374
|
|
Forum: C4 ZR-1 Technical Postings
06-18-2012
|
|
Replies: 22
Views: 9,374
|
|
Forum: C4 ZR-1 Technical Postings
06-18-2012
|
|
Replies: 22
Views: 9,374
Tach way far out!!!!
Hey? My tach is sooo far out. When I'm at idle according to my snap on scanner it reads 675 rpm. The tach reads 2300. Aside from the obvious what other problems could this cause? I've read something...
|
|
Forum: C4 ZR-1 Technical Postings
06-14-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
No, I do believe that the secondary pump was already out. Then the primery pump went. At the time I had a SES light so I could get secondaries to come on. Not know that the secondary was blown I...
|
|
Forum: C4 ZR-1 Technical Postings
06-14-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
Hey! Just for s--ts and giggles decided to take it for a ride. Well she's back started out a little stumbley. The furher I went the better she got. I assume from not having full power for so long...
|
|
Forum: C4 ZR-1 Technical Postings
06-14-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
Ok, found fuse for secondary pump. It was blown. I replaced with new fuse. Useed the meter again still only got 5.5 amps. Guess will pull pumps out tonight, unless someone else has another idea.
|
|
Forum: C4 ZR-1 Technical Postings
06-14-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
Do believe I found problem. As I said earlier" I replaced the fuel pumps". Well apparently the secondary pump had left the building first. One night when I went to start the car it would not start....
|
|
Forum: C4 ZR-1 Technical Postings
06-13-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
With valet mode car runs fine rev's up to 7,00 with no problems. There are no codes. I have not seen any smoke out back but than again I'm in car alone. Will take wife with me tonight. Will pull...
|
|
Forum: C4 ZR-1 Technical Postings
06-13-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
Ok, so I will tape my fuel gauge to my windshield tonight. It would be an easy fix if the pump is the problem. Seems I should have some kind of error code for this problem.
|
|
Forum: C4 ZR-1 Technical Postings
06-13-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
If one or two of the secondary injector were not firing, wouldn't that act as more a miss. I would think the other 6 would pull it along. This feels like either no fuel or no air mixuture. The...
|
|
Forum: C4 ZR-1 Technical Postings
06-13-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
I usually let car warm up before testing it. It does it when you get into it with full power switch on. When you ease it up to above 3,000 it starts guggling. I did have SES light on all the time but...
|
|
Forum: C4 ZR-1 Technical Postings
06-13-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
Unfortunately the WAZOO guys are not an option for me. I live in Wash. Township Bergen County. Its probably a 6 hour ride. I will try your test when I get home.
|
|
Forum: C4 ZR-1 Technical Postings
06-13-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
The car does run fine in valet mode. I have checked the vacuum with mity vac. It hold perfect vacuum.
|
|
Forum: C4 ZR-1 Technical Postings
06-13-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
Got home last night and was able to find pressure sensor easy enough. unfortunetly I spent the better part of 3 hours pouring over the shop manual trying to find out how to check to see if it was...
|
|
Forum: C4 ZR-1 Technical Postings
06-12-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
I will check the presure switch when I get home tonight. As far as the actuators go the one bank seemed a little lithargic, but it did open. i do not have a tech 1, got a snap on. I will also look...
|
|
Forum: C4 ZR-1 Technical Postings
06-12-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
I used a mity vac to check the vacuum. I did a visual from the top of plemum to see canisters opening when i grounded the pink wire in the ecm.
|
|
Forum: C4 ZR-1 Technical Postings
06-12-2012
|
|
Replies: 36
Views: 5,469
|
|
Forum: C4 ZR-1 Technical Postings
06-12-2012
|
|
Replies: 36
Views: 5,469
Re: Stumblin Bumblin Z
Yes, the vacuum pump is working, although it is squelling. I also checked the rest of the system and it holds vacuum nicely.
|
|
Forum: C4 ZR-1 Technical Postings
06-12-2012
|
|
Replies: 36
Views: 5,469
Stumblin Bumblin Z
Need help. In the last 6 months, at different times, I've replaced the Coils, Injectors and fuel pumps. Now, when I'm in Full Power mode it gets to 3,000 rmp's and goes no where. It gurgils and...
|
|
Forum: C4 ZR-1 Technical Postings
07-21-2011
|
|
Replies: 11
Views: 7,434
|
|
Forum: C4 ZR-1 Technical Postings
07-18-2011
|
|
Replies: 11
Views: 7,434
|
|
Forum: C4 ZR-1 Technical Postings
07-18-2011
|
|
Replies: 11
Views: 7,434
What the H___ is going on? Radio and Air
Last week my air conditioning stopped blowing cold. Than the radio stopped working. The air conditioning than stopped shutting off and the controls did nothing, no on, no off, no up and down for the...
|
|
Forum: C4 ZR-1 Technical Postings
12-16-2009
|
|
Replies: 10
Views: 5,769
Re: NEED SOME INSIGHT
Thanks for answering my post guys. Tomtom72 lent me his snap on scanner (actualy he forgot it). The car had new wires and plugs before I bought it. He had work done by Chevy dealer. The coils look...
|
|
Forum: C4 ZR-1 Technical Postings
12-15-2009
|
|
Replies: 10
Views: 5,769
Re: NEED SOME INSIGHT
New reading
BLM cell 16
Left o2 27
Right o2 75
Map 1.88
Map KPA 45
Int counts Left 128 right 128
Idle 750 and drop to 525
Hope someone can...
|
|
Forum: C4 ZR-1 Technical Postings
12-15-2009
|
|
Replies: 10
Views: 5,769
|
