My 90 ZR1 will crank but no start
07-05-2011, 09:40 AM
#1
Instructor
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My 90 ZR1 will crank but no start
Hi,
I used my ZR on Sunday and went on a 300 mile trip here in northern VT. ZR ran great. Shut if off in the garage on Sun nite and when I went to start it yesterday it wont start. It will crank just fine but no start. Tank is 3/4 full. I do not hear the fuel pumps run for 2 sec as is normal. When I hooked the pressure guage up to the fuel rail and turn the key to run I get 0 pressure. When I connect 12v to the fuel pump test lead (red wire) and pulse the pumps I get 10 pounds !!!. That aint gonna do it. Could I have both pumps go bad at the same time or has my secondary pump been bad for a long time and I have been running on my primary only ? I know that both pumps run at start up and until the temp is correct but is it possible the I have been on the primary pump for some time ? The ZR has always taken quite a few spins to fire but it always started.
Any comments on my problem.
Regards
Don
I used my ZR on Sunday and went on a 300 mile trip here in northern VT. ZR ran great. Shut if off in the garage on Sun nite and when I went to start it yesterday it wont start. It will crank just fine but no start. Tank is 3/4 full. I do not hear the fuel pumps run for 2 sec as is normal. When I hooked the pressure guage up to the fuel rail and turn the key to run I get 0 pressure. When I connect 12v to the fuel pump test lead (red wire) and pulse the pumps I get 10 pounds !!!. That aint gonna do it. Could I have both pumps go bad at the same time or has my secondary pump been bad for a long time and I have been running on my primary only ? I know that both pumps run at start up and until the temp is correct but is it possible the I have been on the primary pump for some time ? The ZR has always taken quite a few spins to fire but it always started.
Any comments on my problem.
Regards
Don
07-13-2011, 08:37 AM
#4
Melting Slicks
Yes what was the fix as we are having the exact same problem with my dads 90 ZR-1? In our case it was sitting with a dead battery and when he tried to start it back fired in the intake. Then it sat again for a week until we got a new battery and now we have the exact same symptoms as you, no fuel pressure.
07-13-2011, 09:38 AM
#6
Safety Car
Yes what was the fix as we are having the exact same problem with my dads 90 ZR-1? In our case it was sitting with a dead battery and when he tried to start it back fired in the intake. Then it sat again for a week until we got a new battery and now we have the exact same symptoms as you, no fuel pressure.
http://www.zr1.net/forum/showthread.php?t=15083
