Today is the day(going to fire it up)

[spooled240]

i think that the engine running way rich is affecting the idle and a mafs that's not wired correctly and/or not compatible w/ the ecu could be the cause. When i got my jwt ecu tuned for a z32 maf, i started the car with the stock maf and it ran way rich and barely idled.

Another thing, the timing light clamps on to the spark plug wire right so the timing light should be flashing steady regardless..maybe the ecu is changing the timing and messin things up?

If you are positive that the mafs is NOT the problem, then i think that ecu has issues..just try and fix the rich condition, and work from there, like natedogg said check to see if the mafs is hooked up properly and working..nice to see you got the clutch fork back on, dropping the transmission is a pain in the prostate lol

[Zippy69]

Thanks. I'll check the voltage at the maf first thing.The timing light issue was weird. The first timing light I tried would not light up at all. Tried everything, connections, clamps, everthing except another vehicle. Even took it apart to see what the little man inside was doing and still nothing. So that timing light went flying, as things that don't work right sometimes do. But the 2nd light still didn't work,until I tried it on another vehicle and worked perfect. Hooked back up and found it would only flash on deceleration. This was not intermitent at all. It was reading what #1 plug was firing, random while idling, extreme skipping while reving up, and full flashing as engine slowed down.I'm fine with mechanical stuff and car audio, but ecu's and signal wires are not my forte'.

[spooled240]

is there like a hesitation or sputter? cuz maybe your ignition is giving a strong enough signal to trigger the timing light. if it worked perfect on one car, it should work perfect on any car right? i'd say there's definitely something wrong with your ignition, be it your ecu or not bro..i don't know, i haven't heard much on these emance ecu's so i would still consider the ecu to be causing these issues as the possible solution

[Zippy69]

With fresh plugs, it runs good for a few minutes, then it starts to skip, but if you rev it up it clears up ok. I didn't do anything to the ignition system except change the plugs, so I don't have any idea why it would be the ignition. I am still pretty sure it has something to do with the ecu, but I am still waiting for Jason to call me back. He has been great up to this point so I'm sure he'll get back to me , I just hope it's soon.

[spooled240]

^true, i think that ecu may be drowning your engine with fuel

[Zippy69]

Does anyone know the quickest, easiest and cheapest way to get my car up and running?I don't have access to a dyno so whatever I use has to be basically a plug and play. If I were to luck up and find used, tuned ecu, it would probably be set up for an N-62 maf. Would this work with my N-60 maf on low boost settings, say like 12psi and below?For the money I've spent in gas in my truck the last month, I could have bought just about any fuel management set up I want, but now I'm broke and desperate so I need to know my best option to get this car up and running , cheap but safe,

[Zippy69]

A friend said that maybe fuel pressure is too low. I'm running stock fpr with a walbro. Anybody Know if low fuel pressure could cause a super rich situation?

[spooled240]

no i heard its the opposite: low pressure can cause a lean condition, and high fuel pressure can richen things up. Are you sure your mafs is sealed airtight around the ic pipe? One small leak is all it takes to make your engine run funny

[Zippy69]

I did have a leak but fixed it, still same though. I am going to take it out for a drive and just keep the rev's up so it won't load up so much, I just hope it doesn't mess anything up, but I don't think it will. Also found an older afc set up for pretty cheap, only problem is I don't have a dyno near to get it tuned, so I would be relying on basic settings to run.Thoughts anybody?

[spooled240]

just for the heck of it, check your o2 sensors and make sure they are sealed in the exhaust pipe, exposing them to the outside air can make your car run rich and crappy.

wish i could help but all i can say is make sure you have checked EVERYTHING before getting the old afc as an emergency alternative, just don't pay too much bro go take her for an easy drive!

[Zippy69]

Will do Spooled, I'll check that out. I can get the afc for $60 so I may do that and use my old ecu. I just hope I can find a good way to tune it.Still get no response from Jason at E-mance. I'm going to give him another day to respond, and then I'm going to post about him. I understand people get busy and situations occur, but I've been calling him since Saturday or Sunday and I've sent him an email.

[Zippy69]

Whoooooooooooooooooohoooooooooooooooooooo!!!!!!!!!!!!!!!!!!!!!!!!!Drove it home . Man, what a blast. Even at 7psi it was awesome.Smoked like a freight train the whole way, loading up so bad I had to left foot brake to keep it rev'ed up. That hks really screams when it goes off. In the shop it wasn't really that loud, but out on the road it skahreeeeamed.I still have to get this fuel taken care of, but it sure was good to take it for a spin. After my high is gone ,I'll need to find some type of management so I can drive it right.But for record, it ran great under boost, pulling hard in all gears, with no skip or sputter or any thing bad except the smoke.Spooled, I know you said take a nice easy drive,and I was until I was leaving in first, shifted to second and really put my foot in it and shifted to third and it started spinning and I just stayed in it and rode it out. Sorry

[coolbone28]

have you checked to see if your injectors are leaking? From a ripped o-ring perhaps?

[Zippy69]

I am going to pull the injectors and start checking everything all over again.This will be a lot easier since it is at my house.Jason from Emance emailed me back, he was out of town, so he is going to help me sort it out via phone and email to determine if it is the ecu or something else.

[Florida240sx]

What you have in there right now to get her running? Don't pull your injectors. Pull the whole rail only 3 bolts. And turn the key and see if they leak. You hook safc up?

[Zippy69]

I have the 550's in there now. It will start up, but won't idle, and skips unless you keep rev'ing it up. Thanks for the tip Florida, I'll do that first thing in the am.

[spooled240]

haha, no man i meant build the boost slowly and keep an ear out for pinging etc. but with your car running rich the way it is, i'm sure that's not a problem at all, shoot i took my car up to 12 psi the first time i drove it!!! lol.

nice to see you driving it tho, just some fine tuning will hopefully get you leaner enjoy the "turbo high" i remember myself all quiet staring at the ground then the engine compartment after i took my car for a spin and heard the bov, turbo all that good stuff lol.

like florida said, check those injectors!..this guy helped me out when i was in trouble also..

[Zippy69]

I checked injectors and they were fine, no leaks, well #1 did have a little fuel to come out but it did not drip, just a tiny amount of fuel when I turned the key switch on. I left the key on for about 5 mins and just watched, but no leaking from any of them. So now what? You guys have been an enormous help. Especially you Spooled240 and Florida240sx, thanks from the bottom of my t-25.

[NateDogg]

Just because the injectors don't leak externally doesnt mean they dont leak internally.

A better test would be to crank the engine and check the injector spray pattern.

Also, what is the MAF voltage??????????????

[Zippy69]

Just because the injectors don't leak externally doesnt mean they dont leak internally.

A better test would be to crank the engine and check the injector spray pattern.

Also, what is the MAF voltage??????????????

The "B" connector on the maf had like .3 volts and "E" was 12 volts.And I took the fuel rail off with the injector tips exposed and no leaks.

[240sxmech]

injectors are too big

[Zippy69]

Shouldn't the ecu control the injector flow?I asked a lot of folks here and nobody ever said that the 550's would be too big.As a matter of fact I think it was WDracing that said to get the 550's so when I upgraded later, my fuel would be in good shape. I know that they are rather large for a t-25 , but I think that my ecu isn't doing it's job and the 550's aren't being told to sit down and shut up.

[spooled240]

yeah its all about the "pulse width" or how long the injector stays spraying, i have 555cc injectors and a jwt tuned for them and the engine runs like stock. Shorter pulse width would make up for such big injectors. My gut feeling says that tune is not doing its job with the injectors. Since zippy drove the car and it didn't sputter, tells me the mafs is working well imo. have you talked to jason at e-mance about the tune? He should at least give you some troubleshooting advice like a lot of the other tuning companies do..

[Zippy69]

Yeah, I finally heard from him. He was on vacation with family. I'm sure he will help me straighten it out, I'm just tired of waiting on everything. It's been over a month and it should have been done in about a week or so.But I bought the Apexi V afc, it should be here Monday or Tuesday, so if I can't get it straightened out by Jason, then I can hook up the afc and get going that way, but I would rather have my ecu control everything as I might get stupid with the afc.

[Florida240sx]

You got a stock ecu? If you put a stock ecu in I can give you numbers to drive her. But if you got a tuned ecu that is messing up then my numbers could blow up your engine, because ecu is skipping... If you grab a stock ecu contact me. I'll give you the % number to put in for high and low points.

[Zippy69]

I still have my stock ecu. I bought a full ecu, not just the daughter board.

[Zippy69]

Bump cause it still aint right!

[spooled240]

i still think its the ecu man, go ahead and hook up that afc since you already bought it until then try and get it straightened out by jason and let us know!

[Zippy69]

I don't have the afc in hand yet, but it was sent out Friday, so it should be here any day now.Jason wanted me to call him today and we are going to do some trouble shooting over the phone while I work on the car. Hooray for bluetooth!He told me which way to orient the chips and I did that and put the ecu back in and started it and it idled a little easier, not really better, but easier. I didn't have to keep tapping the pedal lightly, only once or twice. But the red light on ecu stayed lit up. So I'm going to try the other set of chips and see what that does, plus I gotta change my oil, it's got almost as much gas in it as my tank.

[Zippy69]

Well guess what!!! I got a afc for a Honda! The guy didn't know d!ck about afc's so scratch that one. I'm going to try to get the first afc. I hope it is still available.Never got in touch with Jason So maybe tommorrow.