Well I did get it started tonight but wont hold idle.
I had to unplug the CTS to get it to start.
Weird cause its a new CTS?
smells alittle rich but the rpms go up and down pretty smooth.
It wont idle because the ISV isnt turning on.
The throttle is actuating the idle sensor and there is voltage at the ISV harness .
i also pulled and cleaned the ISV and checked for function by jumping it to a 12v source to actuate it and it worked out of the car.
Does the ISV only kick on when the idle sensor is activated?

No cover over the Dist hold down screw , I can reach the bolt with no problem.

 

Unplugging the CTS simulates a cold condition, enriching the fuel supply. The ISV should be operating only when the microswitch is triggered otherwise it should stay closed.

 

then that means the idle switch is bad.

 

I don't think that the microswitch and or a bad ISV are the problem. A non functioning ISV will drop the idle a bit but when the engine is fully warmed, with all the accessories off, disconnecting the ISV circuit shouldn't affect the idle speed by much if any. The microswitch is not for ISV alone, it tells the computer that the car is in idle mode. Often this means to bypass the oxygen sensor signal and operate in “open loop” mode. On older vehicles many of the emissions components only work properly if the engine is running at higher speeds and under load like the catalytic converter and the EGR valve.

 

I plugged in a homemade test light setup as described in http:/www.20v.org/fault.htm so I could pull codes and My test light just stays on constantly.
When I attach the jumper , nothing happens , the light still stays on .
Its not suppose to do that , right?

Also, does anybody know the part# for the CTS?
Mines brand new , but Ive gotten the wrong one from my supplier before.

 

The 20V motors have Bosch LH electronic fuel injection system so I wouldn't go by the procedure given, use this one instead specifically for the NF engine. I have followed these directions and know that they do work.

 

The only diff is I didnt have a resistor.
What size and where can I find one?

 

Busted... you didn't read the web page! Read the instructions carefully, if you did you would have seen that it calls for 1/4 watt 680 ohm resistor and Radio Shack would be your best place to try. You can go to Radio Shack and get a LED with an internal resistor that is rated for 12 volts. LED’s have polarity so you have to make sure that it is hooked up correctly. If you reverse the polarity don’t worry you just reverse it.

 

Oops.
Thanx , Im still kinda new to ohms and resistors.
Ill check on that radio shack tip.

 

Would like to know where the Red/Blk wire to the cold start injector comes from on a 1988 Audi 80. I replaced the ignition switch and that did not solve the problem. Does anyone have a wiring diagram that they could send me for this car?

Richard