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Old 08-12-2002, 09:24 AM   #1 (permalink)
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JRSC problems

hey everyone... hopefully someone can help... just had my SC installed and have terrible detonation... no one can figure out why... BTC and distributor are both MAXED retard... then all of a sudden check engine light and ATTS light came on... Also i have really bad electrical noise in my radio... has anyone had this problem with their install? no matter how the BTC is adjusted, i get tons of ping... it is a lot of money for something that doesnt work right... shop says i need hondata ecu or radiator, and its a problem cuz my car is an SH, but i think thats bull... for the 3100 i payed for the kit and the 1000 to install, it should work... no way am i gonna buy the hondata yet... out of money the kit should work with what it comes with from jackson. Thanx for ANY help you can throw at me... later...
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Old 08-12-2002, 10:41 AM   #2 (permalink)
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Check and re-check the wiring at the ECU.

What kind of spark plug wires do you have?

Are you sure it's pinging and not missing/hesitating?
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Old 08-12-2002, 10:53 AM   #3 (permalink)
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That **** about buying a hondata is just excuses. They jacked up the install and that's all there is to it. Are you sure that it's max retard on the timing because if you have it on min that means minimum retard, for the safest setting you've got to go to max (maximum retard). Sounds like from your post you do have that right though. Your are running 93 octane aren't you?
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Old 08-12-2002, 10:55 AM   #4 (permalink)
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oh yeah and the ATTS light comes on everytime the check engine light comes on, there is most likely nothing wrong with the ATTS.
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Old 08-12-2002, 12:37 PM   #5 (permalink)
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Have you checked to see what codes are being thrown? The malfunction lights are trying to tell what is wrong and will help narrow down the problems. Double check the wiring at the ecu and make sure that the vacuum line for the ecu is plugged in, secure, and supplied from a proper source that sees both vacuum and boost. Also, double check all vacuum line connections under the hood.
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Old 08-12-2002, 12:48 PM   #6 (permalink)
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i'm runnin OEM wires and i'm sure it's pinging... "sand on tin foil" sound... also running sunoco 94 with outlaw booster, so prolly around 100 octane... i wonder if it has to do with a bad ground.... my stereo has a ton of engine noise in it now... i guess the shop will figure it out... just hope he doesnt give me the whole thing about ecu and cooling upgrade cuz i have heard from guys who are runnin at like 6 or 7 clicks with no detonation and stock configurations... but with my retard maxed i still have pinging... thanx for the info everyone!
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Old 08-12-2002, 12:52 PM   #7 (permalink)
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If by OEM wires you are referring to the spark plug wires, this will have nothing to do with your problem. Yes, your problem could very likely be a poor ground for the JR ems. The best place to ground the ems is the same location that the engine ecu is grounded to: the small bolt right below the distributor cap on the engine.
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Old 08-12-2002, 01:21 PM   #8 (permalink)
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ok, just to reiterate what you have heard from others on this post.

you DON'T need a new radiator or a hondata or plug wires or anything like that. the kit works on a base or an SH without any of that stuff.

a couple things i would check, most of which have already been mentioned. make sure the vacuum line leading to the EMS is connected to a boost and vacuum source. this means it should NOT be connected to the throttle body. it should be connected to one of the ports on the drivers side of the jr manifold. make sure there's no check valve in there. i have seen people connect the ems to one of the lines freed up by the removal of the butterfly hardware, and one of those lines has a check valve in it. you really don't want to do that.

ditch the octane booster. for one, you're nowhere near 100 octane (it boosts a very small about; when they say 6 points they mean 6/10 of a point). change your spark plugs, go one step colder, ngk zfr7f, with a fairly small gap.

since you are having stereo problems, you have electrical issues. i would check all your grounds VERY carefully. try different locations for the ems ground; although i had no problems several have suggested that the location suggested by jr on the ecu cage is not a good one.

of course, check the timing related connections on the ems very very carefully.

when is it pinging? midrange under boost? all the time? is your idle steady? check the breather hose on your valve cover for oil, and check the inside of the intake for oil. finally, don't boost if it's pinging. your pistons are getting destroyed in the process. i would change one thing at a time, and in a low gear (2nd) give it a quick midrange burst of full throttle, and if you hear it, stop immediately.

be firm when you talk to the shop. the kit works fine on an SH, out of the box. sure, it works better with a hondata, but you don't NEED it. they botched the install, and they need to fix it. tell them to call keith or shawn at JR, and they will help out.

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Originally posted by edrik
i'm runnin OEM wires and i'm sure it's pinging... "sand on tin foil" sound... also running sunoco 94 with outlaw booster, so prolly around 100 octane... i wonder if it has to do with a bad ground.... my stereo has a ton of engine noise in it now... i guess the shop will figure it out... just hope he doesnt give me the whole thing about ecu and cooling upgrade cuz i have heard from guys who are runnin at like 6 or 7 clicks with no detonation and stock configurations... but with my retard maxed i still have pinging... thanx for the info everyone!
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Old 08-12-2002, 01:31 PM   #9 (permalink)
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Speaking of vac tap, when you run the jackson ecu mod into a vac line, don't run it off of the map sensor. I did that and it ran like crap. That small think made such a huge diffference I couldn't believe it.
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Old 08-12-2002, 05:53 PM   #10 (permalink)
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Definatley sounds like a electral problem but for 1000 buxs for the install they better fix it...that's expensive. If you turn the knob on the EMS and nothing happens to change the condition that would be your problem as far as it not being hooked up correctly or the vac going to it has came off. Has the car always done this after the install or have you been driving it and it just started to happen, this would explain if something came loose or if it wasn't hooked up right from the start??!!?


Also, if all else fails get the instructions for hooking the EMS up or if you can't let us know and we will tell you what wires go where and you can double check the wiring yourself....it's not that hard to check!
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Old 08-13-2002, 10:06 AM   #11 (permalink)
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the car only got about a 1/4 mile away from the shop when all this happened. the shop says they are rewiring everything and if it happens again my ems might be defective... i will have to see i guess
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Old 08-15-2002, 12:05 PM   #12 (permalink)
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yea man listen to schwett, like print it out and show it to your shop..hehe
you prolly have 94.6 octane, not 100
seriously man check the ems line and tell them to call jr.
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