Ok juice fans heres my problem. Yesterday I was crusin down the super slab at around 70 to 75 and it was raining fairly hard. I start to notice my engine getting a little louder so I turn down the radio and pay a little more attention. After a few more miles the engine starts rattling and hammering like its about to come apart so I cruse to the next exit to find some cover from the rain and remove the juice. After the juice is gone the motor sounds fine and ran well for the next 400 miles. My queastion is can any engine dammage be done by the injectors firing at the wrong time and should I get my module replaced or just sh*t can it? Could the problem be the wipers causing interferance or maby a moisture problem? I running version 4.81 mfgd on 4/30/04 needless to say I'm not real happy with the product. -:t

There were reports early on of the injection timing being corrupted when driving '01-'02 trucks with the Edge Juice installed. Some say it was related to electrical "noise" being generated by the wiper motor. However, the stock ECM has never had a problem with this. My opinion, the Edge Juice was not designed with EMI/EMC in mind (while the stock ECM designed by Delphi most likely was, larger company has more assets).

Injectors firing at the wrong time cannot be good in the long term.

I would call Edge, see what they have to say. Should be easy enough to get a new box and give it a try. If this fails, get rid of it and move on to other products.

Blue Max,

I have the Hot Juice w Attitude. About three months ago I had the same thing happen to me under different circumstances. I was driving slow in 4wd at the ranch for a few days with the attidude set to 0. Leaving and getting on the county road I set the attitude up to level four. After about 100yds. and around 30 mph it sounded like the engine was blowing up. Turned it off and restarted with everything being fine now. Drove 120 miles back to San Antonio all being fine. It did it again when back in town after and hour or so. Restarted and all fine to date.

Dealer & Tech ll showed two different camshaft positioning sensor codes set. I'm going to send mine back but haven't found the time yet.

Billy

I had the same problem on my 2002. Edge sent me a wiper module, replaced it and no more issues. Trust me, this is the same thing that happened to me. I replaced box after box until Edge suggested the wiper module replacement.

I know it sounds odd but just try it.

Wiper module was free of charge from Edge as well.

Matthew

Thanks for the ideas I'll see what I can find out.

I wonder if there is a similar interference with the LLY edge. Some people report lousy performance and noise before the edge kicks in at 180, like the edge is altering something in the original ecm code, when it is suppose to be disabled.

Edge is sending me a new unit so I guess I will see what happens. It does seem like my truck is now louder after this little adventure. Hopefully I am just hearing things that are not there and all is well. I guess time will tell.

The following is fact, but at the time, some folks thought I was crazy. I was the one that originally came up with the hypothesis on the wiper motor being the cause. I remember JK thinking I was crazy at the time, but he humored me. After doing everything I could with him, I worked the rest of the problem solution out with Edge directly.

Lengthy work with Edge, involving different boxes, versions, tunes (some with timing removed), and changing parts narrowed the cause down to interference propogating on the electrical ground from the wiper control module. This was proven beyond a shadow of a doubt. Final resolution was a good year ago. It did not happen to many, but for those that it did, it was a PITA!

At the time, Edge asked me to keep quiet about some of this (supplying the replacement parts), but since I see someone else voicing that information, I don't see the harm in speaking up.

When I last spoke with Edge on this, they indiciated they were going to add some additional filter circuitry. Since my problem was solved, I had no reason to follow up with them, and have no idea if they did. I assumed they did, since it has not come up in quite some time. Perhaps they didn't, since you have a fairly recent box.

Good luck. I suspect a different box will not solve the problem. A new wiper control module will.

Gosh, that has me almost convinced that the LLY suffers from something similar. Sputters and kicks and smoke reported by some. 180 degrees and all is well, a new vehicle. Low-level infiltration of some type perhaps. When the edge kicks on, all is well. I wonder if mounting the module away from the relay group will have an effect.

What kind of filter was used to solve the problem? Where was it placed?

Interesting,
I have been running Juice for nearly 2 years, but have not had this problem. It's good to know if I do. I have heard of the wipers possibly causing trouble, but did not understand why. Should we carry a wiper module replacement ? Where does it fit and how easy is it to replace ?

mp2, I never followed up with them on the additional circuitry, as my problem was solved by removing the offending noise source. I do not know any more than that. I can tell you that additional grounding made no difference.

I have followed the discussion on the issues with the LLY, and the way they have been described, I would not conclude that it is related to the problems I experienced. I could be wrong.

gmcall, if you have not had this problem in over two years, you will not have it. It was (is) rare, and getting Edge to acknowledge, and then fix it, took some doing. Spending resources on something that would not bring them additional revenue, etc..

When it did act up, what a scene. Motor sounded like it was coming apart, with white smoke like you never saw. I literally had people swerve off the highway behind me trying to dodge whatever was going on with my truck. Glad to have finally gotten it solved.

IIRC, moderator Tony had issues as well about the same time. We exchanged emails (no pm's allowed on the other site) on this. Tony, am I remembering correctly, or was that someone else? I know it was one of you north east guys.

To allay anyone's concerns; if you haven't had an issue by now, you probably won't. This was very rare.

so you filtered the wiper circuit??

Can you recall where the juice module (labeled, heavy module the size of a deck of cards) was mounted, was it close to the wiper motor?

Did you try moving it? Thanks for your responses. I am asking as a deductive reasoning approach to the LLY.

masterp2. the modules were moved all over the engine compartment. Shielding was tried. Actual replacement of the wiper control module, stock for stock, solved the problem. It did take some time, and patience, to track it down (mostly by me to convince Edge that I had been thorough in my detective work). But the point is it worked, and the folks I dealt with at Edge acknowledged they they understood why, and could fix it within their module to prevent future folks from having the same issue, no matter how rare it was.

No electrical filtering was installed on the wiper circuit. The filtering I refer to was filtering inside the Juice module that Edge had discussed adding, once they agreed with my conclusion of the problem. Again, I have no clue if they ever did or not. I was dealing with their Engineers by this time, so I assume they still had to get it past the bean counters. Being an Engineer myself, I understand (though sometimes I hate to accept!) that small detail. I am sure you inderstand.

"wiper control module"

That is located where? In with the rest of the relays, in the big black box??

Thanks for all the feedback on this. It may help to understand and eventually solve the LLY anomolies.

I had the exact same problem on a trip to Texas last winter (is there a commonality here?) Any way I contact the Edge Boys and they sent me a new 4.81 unit. Never a repeat. Then I started to have the intermittent dieing and recently 2x "no start". Called the Edge Boys again, and once more they shipped me a replacement at no cost to me. Those Edge guys are easy to talk too, quick to support, and willing to replace at their cost for things that can be attributed their product. They're the best!

Looks to me like very poor engineering releasing a product which controls vital engine functions and having that product improperly shielded against EMI, bad or non existent input and output filtration etc.
Luckily my motor is still stock so far and no damage done by Edge and company. Waiting for TTS might be really worthwhile after all!

May be as simple as supply batch problems. QC can be a challenge sometimes when 20 part sources have to be scrutinized, some unshielded ones could fall through the cracks. Just a thought.

MP2, wiper control module is located under the cowl, adjacent to wiper moter. Takes ten minutes or so to get to. Open hood, remove wiper arms, remove cowl, disconnect and remove module. Repeat steps in reverse, and good to go.

FWIW, had my brother price the module; IIRC, cost wast somewhere in the $40 range.

Still trouble free at a good year and a half into this fix, after messing with it for almost as long.

So it wasn't the motor itself, ok. Not sure what the module does, but:

With the LLY, a lot of people have disconnected the attitude after getting set up the way they want. I do not know for sure if this preserves all settings or not, but disconnecting it definately removes the idle and rough engine issue before warmup.

So the problem rests in something correlated with the attitude, (which is an input, output device) So I wonder if the attitude (or it's line) is picking up some noise.