COP problem with the cold
So whenever its below freezing, and my car has sat for more than 6 hrs, it has a very hard time getting spark. If I crank for a solid 10 min, I can get it to run on what sounds like 2 cylinders. after running for a little, and the car gets warm, it runs fine. I know the COPS are the problems, because if I take a hairdryer to them, the car will start up perfect. Has anyone had this problem? Am I just that unlucky and got messed up COPS? Mind you, I bought two more, and it didn't help. They are Toyota units.
I hate cold... |
I used to have an sr20 that did the same shit until it got warmed up, I never found out what the issue was. I sold the car. I know its unrelated but do you know if there is any reason I can't run cops on my stock ecu on a 2000 1.8? I have searched but can not find anything definitive. thanks
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You may want to dubble check your connections and solder points. Make shure they are protected from the elements. You can also use dielectric grease on the conector and solder joints. That will keep the moisture out then you can see if it is stil happening.
Have a great day, Jared |
Originally Posted by Jfornachon
(Post 503385)
You may want to dubble check your connections and solder points. Make shure they are protected from the elements. You can also use dielectric grease on the conector and solder joints. That will keep the moisture out then you can see if it is stil happening.
Have a great day, Jared |
I am thinking that moisture may be causing the problem.
Have a great day, Jared |
I hope your right.
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hmmmm, maybe I should get a girlfriend and borrow her hair dryer.
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Originally Posted by cardriverx
(Post 503381)
Has anyone had this problem?
No concrete solutions yet that I'm aware of, but that thread mentions a few things you can try. You got the 10,000 uF cap in the COPs harness? Changed the ignition pullup resistors in MS from 1K to 270-330 ohms? Which part number COPs?
Originally Posted by kooltacos
(Post 503384)
I know its unrelated but do you know if there is any reason I can't run cops on my stock ecu on a 2000 1.8?
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Di electric grease didn't seem to help.
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Originally Posted by cardriverx
(Post 503381)
So whenever its below freezing, and my car has sat for more than 6 hrs, it has a very hard time getting spark. If I crank for a solid 10 min, I can get it to run on what sounds like 2 cylinders. after running for a little, and the car gets warm, it runs fine. I know the COPS are the problems, because if I take a hairdryer to them, the car will start up perfect. Has anyone had this problem? Am I just that unlucky and got messed up COPS? Mind you, I bought two more, and it didn't help. They are Toyota units.
I hate cold... |
I have tried changing the dwell... I think it must be an issue with MS driving the COPs or how we wire it or something judging by how many people have the problem.
Originally Posted by Cspence
(Post 545325)
I have the exact same problem. Last night after letting the car warm up with the stock coil and wires, I swapped in the cops and it fired right up and ran no problem. Today (Bout 45*) I went to go start and it would almost catch then stumble. I gave it two tries then took a heat gun to the cops for maybe a minute.....fired right up. Could this possibly be resolved by changing the cranking dwell? Right now I think mine is set to 5.5ms cranking - 2.5ms running and I believe .5 for the minimum discharge period. I'm thinking that if I bump up the cranking dwell it may help by giving the coils more time to charge.....that or slightly increase the minimum discharge period so the coils are firing a little longer. IDK, I'm a noob to this shit go easy on me :giggle:
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Anyone have any ideas on what I could try....I really am clueless on this. ;)
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