ZR-1 Net Registry Forums  

Go Back   ZR-1 Net Registry Forums > C4 ZR-1 > C4 ZR-1 Technical Postings

Reply
 
Thread Tools Display Modes
Old 12-08-2018   #1
Kwood
 
Join Date: May 2015
Location: Loveland, Ohio
Posts: 18
Default 90 Z cranks but will not start

I drove it to work, would not start to go home. Got a new battery, still cranks but will not turn over. Any ideas?


Sent from my iPhone using ZR-1 Net Registry
__________________
KWood
1st Time Owner
1990 ZR-1[SIGPIC][/SIGPIC]
Kwood is offline   Reply With Quote
Old 12-08-2018   #2
Dynomite
 
Dynomite's Avatar
 
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,788
Default 90 Z cranks but will not start

Quote:
Originally Posted by Kwood View Post
I drove it to work, would not start to go home. Got a new battery, still cranks but will not turn over. Any ideas?


Sent from my iPhone using ZR-1 Net Registry



Why a new battery?
the starter turns the engine over but engine does not fire?
Check INJ1 fuse.


Sent from my iPhone using ZR-1 Net Registry

Last edited by Dynomite; 12-13-2018 at 04:19 PM.
Dynomite is offline   Reply With Quote
Old 12-08-2018   #3
BigJohn
 
BigJohn's Avatar
 
Join Date: Feb 2012
Location: Ledyard,CT
Posts: 8,023
Default Re: 90 Z cranks but will not start

Fuel Pump?
BigJohn is offline   Reply With Quote
Old 12-09-2018   #4
Kwood
 
Join Date: May 2015
Location: Loveland, Ohio
Posts: 18
Default Re: 90 Z cranks but will not start

Yes. Battery was low, thought it did not have enough amps. I checked the fuse, it looked ok. Fuel pump was my next guess. Roll start would not work then, correct?


Sent from my iPhone using ZR-1 Net Registry
__________________
KWood
1st Time Owner
1990 ZR-1[SIGPIC][/SIGPIC]
Kwood is offline   Reply With Quote
Old 12-09-2018   #5
mhobtr
 
Join Date: Apr 2016
Location: Birmingham, Alabama
Posts: 60
Default Re: 90 Z cranks but will not start

Quote:
Originally Posted by Kwood View Post
still cranks but will not turn over. Sent from my iPhone using ZR-1 Net Registry

This is confusing. The starter spins the engine or not? I think you're saying the engine spins but does not start.


Quick check is to spray starting fluid in the throttle body and crank the engine. If it fires and stops, you have a fuel problem. If it doesn't fire, you have an ignition problem.
mhobtr is offline   Reply With Quote
Old 12-11-2018   #6
Kwood
 
Join Date: May 2015
Location: Loveland, Ohio
Posts: 18
Default Re: 90 Z cranks but will not start

Correct. Will do that. Thanks. Sorry, for the confusion.


Sent from my iPhone using ZR-1 Net Registry
__________________
KWood
1st Time Owner
1990 ZR-1[SIGPIC][/SIGPIC]
Kwood is offline   Reply With Quote
Old 12-11-2018   #7
Ccmano
 
Ccmano's Avatar
 
Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
Default Re: 90 Z cranks but will not start

Follow the FSM diagnostic tree to figure this out. Otherwise it’s just a shot in the dark. There are multitude of things that could cause this.
H




__________________
90'ZR-1 #1461 Red/Black
Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold
08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold
05 C6 Z51 Red/Black Sold
90'ZR-1 #1723 Black/Gray Sold but not forgotten
91' Z51 L98 White Vert. My First, you always remember your first. Sold.
Ccmano is offline   Reply With Quote
Old 12-13-2018   #8
Kwood
 
Join Date: May 2015
Location: Loveland, Ohio
Posts: 18
Default Re: 90 Z cranks but will not start

Thanks for the info. Starter fluid started the car, but did not keep it running. Guess I’m looking at a fuel problem.


Sent from my iPhone using ZR-1 Net Registry
__________________
KWood
1st Time Owner
1990 ZR-1[SIGPIC][/SIGPIC]
Kwood is offline   Reply With Quote
Old 12-13-2018   #9
mhobtr
 
Join Date: Apr 2016
Location: Birmingham, Alabama
Posts: 60
Default Re: 90 Z cranks but will not start

Now you can start going down the Chart A-7 posted above.

Have you checked the fuel pressure with a gauge?
mhobtr is offline   Reply With Quote
Old 12-14-2018   #10
Kwood
 
Join Date: May 2015
Location: Loveland, Ohio
Posts: 18
Default Re: 90 Z cranks but will not start

No. I bought a couple of the suggested fuel pumps and am sending to the local Vette mechanic to let him run the diagnostics. Would love to say I’m a DIY guy, but I don’t have that equipment. Or a garage, after the divorce. But, I still have my Z, so that’s something.


Sent from my iPhone using ZR-1 Net Registry
__________________
KWood
1st Time Owner
1990 ZR-1[SIGPIC][/SIGPIC]
Kwood is offline   Reply With Quote
Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 12:16 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright ZR-1 Net Registry 2020