If I put a OHM tester on them, with one probe on the engine ground, I get resistence. These are pins 3C,3E,3H,3F and the ground 3G. I would think there would be no connection to ground on these INJ wires, but I get a reading. .245 instead of a .000

Thanks,
Chris

 

Put the meter on volts dc and you'll read batt voltage if the key is to ON or better. 3G should read less than one ohm. Like 0.3 ohm or close to that.

What your doing when on ohms, is reading back thru the injector coils and way back to the coils, and that is where your picking up a ohm reading. In other words the batt feeds both the coils AND the fuel injectors. So if you unplug the ECU small plug and get on the injector wires, your reading back thru the lead and trail coils. CAn't read back thru the batt because the main relay is OPEN. Just the coils.

In other words, don't do what your doing with the meter on ohms. Turn the key to ON and read the batt voltage, which shows the injectors are all getting batt voltage. No more, no less.

Three gnd points are relevant. 3A, 3G and 2R. With the plugs off, you should see less than 0.5 ohm. Some times this is deceiving. You can read that and still have a secondary transition problem. IF you have a persistent transition problem, try extracting all three of those wires from the plugs and soldering a single strand 18-20 gauge wire to the wire terminal. Attach a new wire to those three terminals and at the end of those three new wires, attach a ring terminal (lug). Attach the new ring terminal to the bracket that holds the ECU in place . LIke on one of the studs that has a 10mm nut on it.

I wrote a thread this day on the RTEK forum suggesting this with a single jpg attached to it.

 

Its not the Transition stumble. It is a wierd issue I am having in the lower RPM under vacume. It is like a lean Closed loop issue present until about 3200 rpm. It gets real bad around 2800 rpm. If I do not give any throttle, my afr's are ok. But the lightest bit of throttle and I get from 11-16 afr's until I hit around 3200 rpm. When I back off it stabilizes. I will post a rtek log.

 

oh.

And, I've NEVER seen afr go above 15.1 when the stock 02 sensor is functioning. It's my belief that the ECU won't let it get any higher in closed loop. IF the 02 sensor is disabled I can get afr's in the 16's.

 

I am runing a innovative wideband

 

Soooooo.....does the Innovative output a narrow band signal to the ECU? Along with doing its normal wideband functions? Or is there no narrow band output to the ECU? Some wide bands can simulate a narrow band signal and send it to the ECU. Some don't.

If there is no narrow band output to the ECU at all, you might try to reinstall the narrow band 02 sensor and then go for a drive to see if things have changed. Then put the Innovative back in after you checked things out. A bit of trouble, but ...................

 

Ill try that in the morning. Considering what I have been through looking for this, that is easy! :0) The innovative does have a wire for narrow band output.