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Old 03-18-2024   #11
phrogs
 
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Default Re: Stranded on a road trip, '90 ZR-1, no crank

yeah it sucks to not have tools any harbor freights near by?


what does it feel like when it dies?

does it just shut off or do you feel like your starving for fuel?
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Old 03-18-2024   #12
A26B
 
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Default Re: Stranded on a road trip, '90 ZR-1, no crank

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Originally Posted by ZBrink View Post
I don't believe so. We got it running via push start again. It seemed as long as I kept the RPMs up, it stayed running. I drove 60 miles or to a hotel in Flagstaff. It died at about the 55 mile mark but I was at speed, shifted in a lower gear, and it fired up again. Unsure if relevant/related, the gauge cluster goes out when the car dies?
What is the rpm at which it would stay running and below which it would die?

When it stayed running, was it running smooth?

Did it run very rough right before it died?

Check your battery terminal and make sure they are tight. You may be able to tighten with out any tools if you can rotate the battery cable to the right like you are tightening a bolt.
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Last edited by A26B; 03-18-2024 at 09:05 PM.
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Old 03-18-2024   #13
Mikey
 
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Default Re: Stranded on a road trip, '90 ZR-1, no crank

Still not much to go on but since it runs but not well, symptoms sound like low fuel pressure. Many things can cause that. An incorrect fuel pickup line in the tank could have collapsed or deteriorated. Or fuel filter could be plugged. Or injectors gummed up. Etc etc.
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Old 03-18-2024   #14
Mikey
 
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Default Re: Stranded on a road trip, '90 ZR-1, no crank

Spoke with Zack. Multiple things going on but it?s not running rough when it?s running. He?s making progress eastbound. All issues seem electrical and the combination could all be caused by a bad ignition key cylinder I believe.

Incidentally can anyone confirm if VATS matters once the car is running?
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Old 03-19-2024   #15
ZBrink
 
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Default Re: Stranded on a road trip, '90 ZR-1, no crank

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Originally Posted by dredgeguy View Post
Possible fuel pump clip came off hose?
I don't believe so as I would think that would cause a permanent issue vs and intermittent one. I had it running for 11 hrs straight yesterday and it only shut-off twice, both times within the first hour of operation.
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Old 03-19-2024   #16
ZBrink
 
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Default Re: Stranded on a road trip, '90 ZR-1, no crank

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Originally Posted by phrogs View Post
yeah it sucks to not have tools any harbor freights near by?


what does it feel like when it dies?

does it just shut off or do you feel like your starving for fuel?
Great question...It just shuts off, almost like someone turned the key to the "Off" position. No starvation of fuel felt.
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Old 03-19-2024   #17
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Default Re: Stranded on a road trip, '90 ZR-1, no crank

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Originally Posted by ZBrink View Post
Also, dumb question, does the brake pedal have to be pressed as well or just the clutch to crank?
The clutch needs to be engaged only to start the car however, it's always a good idea to have a foot on the brake incase you try to start and forgot it's in gear.
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91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat

90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat

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Old 03-22-2024   #18
Mikey
 
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Default Re: Stranded on a road trip, '90 ZR-1, no crank

Zack made it home. I?m very confident his ignition power is intermittently cutting out. Given that a key cycling ?fixes? it it?s focus on the ignition key cylinder and the wiring to it.

When he said he was losing the gauge cluster but not the radio or hvac I confirmed this could be a mistaken interpretation of the situation because at night when the lights are turned on the radio and hvac buttons are illuminated regardless of key position or ignition state whereas the gauge cluster backlights only come on when ignition is on (exception for the cluster center LCD which illuminates with just headlight switch)
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Old 4 Weeks Ago   #19
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Default Re: Stranded on a road trip, '90 ZR-1, no crank

Zack made contact with Wazoo and he is now in good hands!
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Old 4 Weeks Ago   #20
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Default Re: Stranded on a road trip, '90 ZR-1, no crank

This sounds similar to what I was just dealing with in my 90. When cold it would start with no issues. Once the engine was warm it couldn't start without a push. Replacing the starter fixed it.

Cutting out while driving is strange. I did not have that. I don't think that would relate to the starter, so you may have 2 different issues. Maybe a grounding issue? The other other WAZOO Zack (god, there's three of us now) had electrical/grounding issues with his Z. He might be able to speak to some of the symptoms he saw.
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