[Bachir]

from 5 dayes my 90 zr1 run to bad also its take long time to start the engine I HAVE CODE 55 service engine AFTER TAHT ICANT START THE ENGINE WITH KEY ONLY WITH PUSHING I CHECKED THE ALL DATA FOR CODE 55 I FIND IS FUEL MONITOR LEAN I CHECKD THE FUEL PRESSURE IT ABOUT 52 PSI WITH ENGINE OFF AND KEY ON FOR BOTH PUMPS ALSO I CHECK THE INJECTORS WITH CLEAN MACHINE THEY WORK GOOD
ANY ONE HAVE A SERVICE MANUAL FOR 1990 ZR1 MAYEBE HAVE TESTING FOR THIS CODE THE AL DATA HAVENT OR SOME HELP
tHANKS MY ZR1 ITS THE ONLY ZR1 IN THE MIDELE EAST

 

[raidmagic]

What's the pressure with the car on? What is it under power?

 

[Bachir]

need help code 55

thanks for your information
today i remouved the pleneum and i leave all wires conected in ignition module i checked the electricle signal one two injectors by test light when i try to start the engine there is no signal at all please help what should i check
morover the things i can undrestand wy the engine stay run whe start the engine with spray from intake but bad and shut down if i leave the gas pedal

morover the problem when begin the engine run bad and start but to hard or with pushing the car on second gear not like now no way to start without spray
please informe with your information