Resolved Not running, CAS question?

[Bubba97]

So, I pulled this 97 Eclipse out of a shed where it had been sitting for 3 years. I put a battery in and drove it onto the trailer. I drove it around the block a few times since. I drove it to town where it has died and hasn't started back up since. It has a 6bolt swap in it with a CAS harness installed. No tuning or anything else has been done.

I have no spark. My question is without the ECU seeing the proper signal from the crank sensor (that isn't there) is causing the no start issue. I have looked thru the forums and read that this can cause it. I just wanted some clarification. I do have a EPROM ECU coming so I can run DSMLink hopefully to remedy my no start issue.

I just don't understand how it was running fine even with the 3 year old gas then shut off and not run. I hope I am heading in the right direction.

 

[1990TSIAWDTALON]

Check for spark, fuel & compression and timing belt condition. It's old so that needed done ASAP.
Report back.

 

[Bubba97]

Check for spark, fuel & compression and timing belt condition. It's old so that needed done ASAP.
Report back.

Sorry I didn't state this in the post. The engine and transmission have less than 1000 miles on them. I tested for spark and I am not getting any. I have fuel. I haven't checked the compression due to the fact that the engine had just been rebuilt.

 

[evil_eagletalon]

How did you test for spark? Do you have a spark tester or are you just grounding the coil on a good known ground?

 

[Bubba97]

I just pulled the plugs one at a time and grounded each of them to the valve cover while my son turned the car over.

 

[evil_eagletalon]

Have you scanned for codes? Do you have current data viewing tools? When cranking do you see your tachometer move at all?

 

[Bubba97]

I have a crank sensor code. I need to check if the tach is moving when I try to crank it over. I do have a code reader

 

[evil_eagletalon]

I have a crank sensor code. I need to check if the tach is moving when I try to crank it over. I do have a code reader

Thats a good lead. I would check connections outside of timing cover and if its good i would take the timing covers off. Verify mechanical timing and ensure the wires are not chewed up by timing belt moving parts and sensor bolts are secure.

 

[Bubba97]

The car doesn't have a crank sensor. It has a 1g swap I am using a CAS and harness for the crank signal. That is why I think it's not running is that the ECU is not getting a good enough signal from the new setup. I am not sure if a DSMLink would fix the problem.

 

[evil_eagletalon]

Then it may be just some settings in ECMLink.

 

[92AWDHX40]

How to do a 6 bolt swap and what you need

A little word before you go on. I didnt write this, the author is down below (i want to give credit to where its due) I joined a group when I was considering doing a 6 bolt swap on my car but instead I rebuilt a 7 bolt. This is very long but informative and sorry I dont have pics but i didnt...

www.dsmtuners.com

 

[Bubba97]

Okay guys I believe I found the problem I noticed when I went to remove my fuel pump I noticed the alot of pressure in the tank. Like I was opening a huge pop can! So I believe I have a vent tube plugged. I have pumped all the old fuel out. I figured I will get some fresh fuel in and try again. Fingers .

 

[Bubba97]

Okay guys, been troubleshooting my 97 GSX with a 6bolt swap. I had it running, drove it around and it died. I now have a crank no start issue. I have fuel but no spark.

I tested it with a spark tester. I also tested the coil resistor which is good, double checked the CAS harness and wiring, as well as checked for voltage at the CAS 12v, 5v, 5v and ground. That all checks out.

I have a CEL for crank position sensor. So with that I am leaning that I need a new 1g CAS. I have also checked every fuse and like I said fuel pump is working, I am getting fuel all the way to the rail. Not sure why it was running and now it's not.

Am I right in leaning towards the CAS being the culprit?

 

[evil_eagletalon]

Did you just finish the swap and wiring? Or was the car up and running for months and this happened out of no where?

 

[Bubba97]

The car had been running and they drove it very little after the swap was done. I got it running with a battery and drove it around about ten miles or less. Had it idling in the yard for a good 20 min the day before I tried to make it to town and it just died going down the road.

The total mileage on the swap as a whole is a less the 200 miles if that. He literally bought the car had the work done, moved, and it sat until I got it.

 

[evil_eagletalon]

Have you combed through the wire connections of the CAS conversion?
Is it a plug n play setup?
Did it get soldered and heat shrinked or is it butt connectors?

 

[Justin DuBois]

ECU, wiring, or CAS.

 

[steve]

Merged the two threads to avoid covering old ground.

Some pictures of the engine bay might provide some clues. I assume you have cleared the fault codes and the fault/CEL came back? I also assume you don't have ECM/DSMLink yet.

Where did you check the CAS voltages?
Is is a 90 style CAS (wire pigtale) or 91-94 style CAS (connector).

Have you tried turning the CAS coupling by hand and see if the cam angle and TDC pins toggle from +5 to ground?

Any signs of life as you crank the engine that make you think it's trying to fire?
Have you checked for compression since it stopped running?

 

[Bubba97]

Merged the two threads to avoid covering old ground.

Some pictures of the engine bay might provide some clues. I assume you have cleared the fault codes and the fault/CEL came back? I also assume you don't have ECM/DSMLink yet.

Where did you check the CAS voltages?
Is is a 90 style CAS (wire pigtale) or 91-94 style CAS (connector).

Have you tried turning the CAS coupling by hand and see if the cam angle and TDC pins toggle from +5 to ground?

Any signs of life as you crank the engine that make you think it's trying to fire?
Have you checked for compression since it stopped running?

I clear the cel fault and it came back, I have 91-94 style cas. I check the cas voltage at the pig tail. I have not tried toggling the cas by hand. The engine just spins over and doesn't try to start. I have not checked compression. Didn't get that far since I had no spark. How do you toggle the cas? Remove it? No I do not have dsm link yet.

I will get some engine bay picks latter today I do appreciate all the knowledge it's just mind blowing for it to be running good and the shut off and not start again.

 

[steve]

That's what cars do. They break.

 

[steve]

I have 91-94 style cas. I check the cas voltage at the pig tail.

With the connector off you won't see the CAS pull the signal lines to ground as it turns. You'll need to probe the signal lines with the CAS connected to test it.

How do you toggle the cas? Remove it?

Yes, you have to remove it to reach the end to turn it.

 

[Bubba97]

Well guys I got it running! THe cas was the culprit. Replaced and we are running again! I appreciate all the information and help thanks alot!