no start ...
#182
Ah...that's a hard question to answer Roman. Try reading this for the epic details:
https://rennlist.com/forums/924-931-...new-owner.html
First it was the sensors, then it was the DME. I did every single electrical test on Clark's Garage, 994online and a couple others. Fuel, ignition, alarm system, grounds, you name it! The beauty of this LED test is that it will tell you if signal is getting through all the wiring AND if the signal is strong enough for the DME. That's why the LEDs are two different voltages.
https://rennlist.com/forums/924-931-...new-owner.html
First it was the sensors, then it was the DME. I did every single electrical test on Clark's Garage, 994online and a couple others. Fuel, ignition, alarm system, grounds, you name it! The beauty of this LED test is that it will tell you if signal is getting through all the wiring AND if the signal is strong enough for the DME. That's why the LEDs are two different voltages.
#183
Rennlist Member
Joined: Jul 2001
Posts: 2,120
Likes: 4
From: Brisbane, Australia (Formerly: Sunnyvale, CA)
If you read his post as carefully as I did, you will see that his sensors were fine, but his DME was bad.
#185
Rennlist Member
Joined: Jul 2001
Posts: 2,120
Likes: 4
From: Brisbane, Australia (Formerly: Sunnyvale, CA)
BTW, not to be pedantic, but you have another DME, but not another _known good_ DME. You really don't know if the used DME you have just bought is working or not. A known good DME is one that you can see running a car in your driveway twenty minutes before it is plugged into your car... like Joe's. Just sayin'.
In general, the fewer assumptions you have to make when troubleshooting in a situation like this, the better.
#188
Just thinking out of the box here. Have you checked you battery. Voltage ok but anps low? Bad voltage reg? Failing alt.? Do a search and you'll see a few posts about the problems this has caused others.
Good luck.
Good luck.
#189
I believe your problem is the DME Temperature Sensor. PN 944 606 125 00
See Clarkes Garage troubleshooting procedure "Elect-19".
You can get the car running and prove this is the part with a 10 cent resistor from Radio Shack (Does Radio Shack even sell resistors anymore, or am I just showing my age?) by putting the correct resistor in place of the PN listed above. The resistance value will depend on the temperature. See "Elect-19" for the values. I found the DME Temperature Sensor to be under $15 if you shop around. Good luck!
See Clarkes Garage troubleshooting procedure "Elect-19".
You can get the car running and prove this is the part with a 10 cent resistor from Radio Shack (Does Radio Shack even sell resistors anymore, or am I just showing my age?) by putting the correct resistor in place of the PN listed above. The resistance value will depend on the temperature. See "Elect-19" for the values. I found the DME Temperature Sensor to be under $15 if you shop around. Good luck!
#191
stalled for the New Years ... LOL
my brother is going to remove DME computer today, and we'll put in this other one I bought with the AFM - see if it will start
I also asked him to drain gas, if he doesn't forget - we'll run out and get some good 89
if its neither of these things, going to check the reference sensors - gotta read up Clark's on how to do it
if it's still nothing, then I may try a brand new battery just for kicks ...
working good long hours at the moment, not a lot of "play" time
I was second-guessing myself on which gas I got, car ran like crap on 87 OR 91+, and I do NOT know why
damn, EDIT: how much bounce should there be on the tach?
my brother is going to remove DME computer today, and we'll put in this other one I bought with the AFM - see if it will start
I also asked him to drain gas, if he doesn't forget - we'll run out and get some good 89
if its neither of these things, going to check the reference sensors - gotta read up Clark's on how to do it
if it's still nothing, then I may try a brand new battery just for kicks ...
working good long hours at the moment, not a lot of "play" time
I was second-guessing myself on which gas I got, car ran like crap on 87 OR 91+, and I do NOT know why
damn, EDIT: how much bounce should there be on the tach?
#193
ah well,
right now, the fuel gauge goes crazy when I try to start the car
RPM gauge just BARELY bounces
switched the DME computers - car didn't start
told my brother and my dad to drain the gas out of it while I'm at work tomorrow, I'll have them pick up a couple gallons of fresh 89
gotta see Clark's on how to check reference sensors ...
right now, the fuel gauge goes crazy when I try to start the car
RPM gauge just BARELY bounces
switched the DME computers - car didn't start
told my brother and my dad to drain the gas out of it while I'm at work tomorrow, I'll have them pick up a couple gallons of fresh 89
gotta see Clark's on how to check reference sensors ...
#194
got 2 new speed/reference sensors form Paragon - my brother took the old ones off, and here's 1 of them:
replaced them - tried to start - car still didn't start ... anything special needs to be done after changing speed/reference sensors?
replaced them - tried to start - car still didn't start ... anything special needs to be done after changing speed/reference sensors?
#195
I just re-read Clark's - and I looked at my old sensors, how do I even know if they had proper clearance? I don't see anything that looks like a washer or anything on the bottom ...
this could be my problem at the moment?
this could be my problem at the moment?