
Popeye775
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Popeye775 last won the day on April 25
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Ok. To me that sounds like there is a short in the wire somewhere. In the harness going to the hall sender, are there any butt connectors that you can see or feel? If there are, this could possibly be the cause of your short. I have had butt connectors fail on me before and after properly swapping them out, everything ran a whole lot better.
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That is my thought as well. Try to track down a busted wire or connector in there somewhere. Try testing the wiring and while you are testing it, wiggle the wires around a little bit to see if you have a drop in voltage or not. If you do, then you know that you possibly have a short somewhere in the wiring
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Apologies if I skipped over this in reading your chart, but did you test the ignition coil itself? Bentley says: .5 to .8 ohms between 1 (-'ve) and 15 (+'ve) for Primary 2400 to 3500 Ohms between terminal 4 and 15 (secondary) That is how you test to make sure you have a good ignition coil. I had a similar issue with mine a while ago, except I believe that I was getting some spark. Just to be safe, double check your timing. Check timing at the flywheel, at the crank to ensure your crank pulley and intermediate shaft are lining up, and check that the distributor is set properly and didn't somehow get out of timing. I had an issue where somehow my gear had jumped teeth on the crank pulley or the intermediate shaft - I am still unsure which one ended up jumping - and when I parked the car, it wouldn't turn back on and I had lost about 30psi of compression in each cylinder. That was the give away that my timing had jumped teeth. But similar symptoms. Car would not start, and would backfire very loud at around 3000rpm. I do agree you should source another distributor in order to see if that is your issue as well. Especially considering you are getting power to the distributor and hall sender. Double and triple check all of your grounds as well just to be sure that nothing is out of spec. Have you had any updates lately on this situation?
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Just wanted to add to that post: I checked the resistance of the blue cts against this morning (47 Fahrenheit outside and the car has not been run yet) and it read 6.6k resistance. Not sure if this adds much to the above issue. Sent from my iPhone using Tapatalk
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Hey all, bumping this thread because the blip may be making a return. I replaced the ISV and it actually has been running really strong since then. The blip came back just the other day but not really intense so im not sure its anything to worry about or not. Maybe someone here can tell me. When i pull the car out of gear to come to a stop the car will blip about 200 rpm once it hits 1000 rpm. It doesn’t do it every time, it only does it sometimes. Does this seem like something wrong? I resistance checked everything other than the o2 and recently had a smoke test done and everything seemed to check out but i did have a separate question about the blue CTS. When i resistance checked this my coolant temp gauge read around 183 (about 83 Celsius) Fahrenheit - mine is a US car and reads in Fahrenheit - so it was just below half way up. When i resistance checked the blue cts is read 205 ohm, which according to the Bentley it should be at 205 ohm when the car is around 193 (about 90 celsius) Farenheit. My question being, how accurate is the coolant temp gauge? Could my blue cts actually be within spec but my gauge be off or is that a little far fetched? Sent from my iPhone using Tapatalk
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Update on situation: Seems like there is a theme. It likes to do it when its colder out and when the AFR is lower than 12 starting. It did it today a few times upon starting until i opened the throttle and gave it a little gas then it balanced out. Seems like ISV is maybe getting stuck? Sent from my iPhone using Tapatalk
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Caught it pretty well on camera. The first blip was the car and the second time me trying to get it to stop. I had turned the car on for about five minutes to check for a coolant leak - fixed it thankfully - and then shut it off for a probably about ten minutes then decided to take it for a drive. First time the car was on it didn’t do it but when i turned it back on to go for a drive it did this after being on for a minute. ISV? http:// https://youtube.com/shorts/yLywgWbHeec?feature=share Sent from my iPhone using Tapatalk
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Ok sounds good. The CTS is good then. All vac lines are brand new lines - OEM braided vac hose - and all gaskets are brand new and everything torqued to spec when 2L motor was put in. My assumption is going to be idle valve sticking or throttle sticking at this point Sent from my iPhone using Tapatalk
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Update on the blip. I resistance checked my ISV, and my CO pot. CO is at 410 ohm - yesterday was at 360 so i adjusted it up about half a turn - and the ISV was within spec as per the Bentley. I checked the Bentley on the blue CTS as well but found a different reading for what the resistance should be than that? The Bentley has a chart for what the cts should be at in correlation to the temperature. So now I’m confused as to what the CTS reading should be? I went for a drive today and it actually only did it one time in the middle of the drive. The car was already warmed up when it did it. Was coming to a stop and took the car out of gear - at around 2k rpm or so - and that’s when it did it but not one other time during the drive did it do it. Sent from my iPhone using Tapatalk
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Hi sir, I will search for vacuum leaks but wouldnt it be a consistent issue if it was a vacuum leak? It wouldn't go away once warmed up a bit if it was vacuum correct? My ISV is new but I am going to test it today to be sure it is ok. I got it maybe about 1k miles ago. Same with coolant tempt sensor. These are all things that I will look over to be sure they are good though
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Here is an odd one for you guys. Started up my corrado G60 today and it started real funny. Started, idled around 1000 for a split second, then blipped itself to 1500 down to 800, up to 1500, down to 800 and did that a few times - almost like it was cammed - and then started to idle real rich because it was cold last night. Then while driving, every time i came to a stop the idle would come down, blip to 1500 and then come back down. Almost like the throttle got stock or something and continued to do this when i came to stops until it hit operating temp. I’ll add in a link so you guys can see it. In the video when it jumps from 1000-2000 is the car doing it itself. Not me at all. My CO Pot is set a little low - i think 350 OHM - so maybe in this colder weather it needs to be set higher because its compensating too much for fuel? I know my oxygen, or lambda, sensor is only a year old and maybe a couple thousand miles old. I also just tested it a couple of weeks ago and it read just fine, as well as checked the wiring for the lambda when I had done the bottom end swap in the car. As of right now I am not suspecting lambda but am also not ruling it out. The vacuum hose for the ECU is also brand new OEM vacuum hose that is exactly one meter long. This issue didn't come up until it started to get cold again (freezing at night) and the car had not been started for a couple of days. So my only assumption would be the CO Pot needing to be around 400 OHM instead? Any advice would be appreciated Blips from 1000-2000
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Hey all, As some of you know I have a corrado G60 with a recently swapped 2.0L bottom end. I have some AFR readings that I was just curious if anybody could confirm that they are ok ranges. I took my Corrado on a cruise today and between 2k-3k RPM crossing the AFR would stay between 14.5-15.8. Do these seem like ok numbers? Heres the specs for my G60: 68mm pulley 267 cam 2.0L bottom end 30lb injectors 3.5 bar pressure regulator ISV Reroute Stage 3 tune from BBM Rebuilt G-Ladder CO Pot set @ 450 ohm Any sort of insight would be great. Thanks guys Sent from my iPhone using Tapatalk