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12-08-2018
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#1 |
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Join Date: May 2015
Location: Loveland, Ohio
Posts: 18
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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
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KWood 1st Time Owner 1990 ZR-1[SIGPIC][/SIGPIC] |
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12-08-2018
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#2 | |
  
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,798
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90 Z cranks but will not start
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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
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Left Clickable links  -Solutions- LT5 Modifications/Rebuild Tricks Low Mileage ZR-1 Restoration 1990 Corvette (L98) Modifications LT5 Eliminated Systems LT5 Added Systems LT5/ZR-1 Fluids 1995 LT5 SPECIFIC TOP END REBUILD TRICKS Last edited by Dynomite; 12-13-2018 at 05:19 PM. |
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12-08-2018
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#3 |
Join Date: Feb 2012
Location: Ledyard,CT
Posts: 8,257
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Re: 90 Z cranks but will not start
Fuel Pump?
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12-09-2018
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#4 |
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Join Date: May 2015
Location: Loveland, Ohio
Posts: 18
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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
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KWood 1st Time Owner 1990 ZR-1[SIGPIC][/SIGPIC] |
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12-09-2018
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#5 | |
 Join Date: Apr 2016
Location: Birmingham, Alabama
Posts: 60
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Re: 90 Z cranks but will not start
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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. |
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12-11-2018
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#6 |
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Join Date: May 2015
Location: Loveland, Ohio
Posts: 18
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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
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KWood 1st Time Owner 1990 ZR-1[SIGPIC][/SIGPIC] |
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12-11-2018
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#7 |
 
Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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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   
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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. |
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12-13-2018
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#8 |
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Join Date: May 2015
Location: Loveland, Ohio
Posts: 18
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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
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KWood 1st Time Owner 1990 ZR-1[SIGPIC][/SIGPIC] |
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12-13-2018
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#9 |
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Join Date: Apr 2016
Location: Birmingham, Alabama
Posts: 60
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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? |
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12-14-2018
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#10 |
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Join Date: May 2015
Location: Loveland, Ohio
Posts: 18
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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
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KWood 1st Time Owner 1990 ZR-1[SIGPIC][/SIGPIC] |
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Linear Mode
