Tech / General EngineIs your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!
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Re: I need an iroc-z owner to test something for me
If the coolant is below 104º, there should be a short shot of priming fuel from the cold start system. This might provide enough fuel for a few cylinders to fire.
Unplugging the injectors isn't necessary. You would only need to remove the INJ1 and INJ2 fuses.
__________________ Later,
Vader
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Re: I need an iroc-z owner to test something for me
Quote:
Originally Posted by Vader
If the coolant is below 104º, there should be a short shot of priming fuel from the cold start system. This might provide enough fuel for a few cylinders to fire.
Unplugging the injectors isn't necessary. You would only need to remove the INJ1 and INJ2 fuses.
So hypothetically, if I unplug the cold start injector AND all 8 regular injectors, the car should NOT fire at all, after maybe a few fires to purge the residual fuel?
Re: I need an iroc-z owner to test something for me
if the car does start with the injctors unpluged you have some bad injectors. i dont know if thats what you are looking for but whats the problem your having
Re: I need an iroc-z owner to test something for me
Quote:
Originally Posted by RED_DRAGON_85
or just disconnect the coil...
what are you getting at?
are you trying to keep the car from starting?
I've been having an issue with my car (detailed out in another thread in this forum) and wanted a way to see if my injectors were leaking without having to remove them
Transmission:
Rockland gear T56, Ram aluminium flywheel, SPEC Stage 2+ clutch, GM slave and master. Rear End:
3:73's, other then that stock until she blows.
Other Mods:
Energy Suspension bushings, Hotchkis SFC, Hotchkis rear LCAs, Front vented rotors, New Ball Joints, New Tie-Rods, New Center Link, New Idler Arm, All Brakes are new, Struts/Shocks. Big Block Fiberglass Hood. Griffen 19X31 Radiator W/ custom shoud. Spohn Trans Crossmember with Adjustable Torque Arm, Spohn Driveshaft. 4th Gen leather Seats. M/T ET street tires....
Re: I need an iroc-z owner to test something for me
i have an 87 and noticed one day while changing my plugs they had fuel all over them and when i shut it off and tryed to start it back a few mins later i had to crank and crank it b4 it would start the injectors were leaking fuel when i shut it off flooding it out i put in a new set of venoms and it starts great every time
Re: I need an iroc-z owner to test something for me
Quote:
Originally Posted by 86camaro383
you can just put a fuel pressure gauge on it, cycle the ignition on, and if it drops off, thats your problem.
It doesn't drop off it remains constant.
At one point I had a consistant 60psi for some reason but aside from that one random time it is always 40psi, unless the car is actually firing in which case it drops off by 5psi.
Is there a way to determine whether or not the ECM is bad by directly testing it? I don't have a scan tool or laptop to plug-in. Is there a practical way to determine it?
