PLEASE....SHO Needs HELP NOW!!!

[Vnuk1]

To many people, yes. If someone wants to keep parts of their personal life private, they have every right to.

I list Queens as my city, but everyone knows damn well that Queens is massive. If someone wants to stalk all over Queens to find me they're more than welcome. Here's to hoping that they start in Queensbridge or Maspeth first.

He speaks the truth, I have been stalking him for sometime now but cant seem to find him...

 

[Dylan]

I live in the city of Oneida, 30 mins East of Syracuse. So its pretty much right in the center of NY.
RacerX, Thanx for the info on the DIS and which cars use them. I will take you up on your offer for the DIS, and no it doesnt matter what color its painted So Ill be sending you a PM with my address and what not. Thanx

Is their any chance I can reuse my DIS thats still on their, but just put some new Thermal paste on it, or is it probably already fried?

Me and my dad are gonna take 1-2 days checking our local JY for a gen1-2 SHO or a 91-93 TBird SC

 

[scotthurd]

Hey guess you guys arent that far away. Might have to take you up on that when i get this sho looking better. Hopefully this winter I'll be fixing some of the cosmetics of this car. Some interior pieces and front bumper. Today I noticed my moonroof is leaking so I've got to figure that out, going to need a new headliner now and im sure the seal is bad. Want to make it look as good as it makes me feel driving it.

Dylan what codes are you getting? You could try getting thermal paste and putting the old one back on but more than likely if its a DIS issue it'll proabably just need a different one. cant hurt to try then. Double check your plug wires of course! I took care of my check engine codes first then thats when I got the DIS problem. I think it was on its last leg because I originally only had the misfire on coil 3. I didnt experience the coil not having spark on those two until after i fixed the other problems. Pull those codes and keep us updated. Lots of great people here so know youre not alone.

 

[Dylan]

to the best of my knowledge the CEL never came on and still isnt on. But when you turn the key to start teh car, it lights up. So I know it does work.
But I just found out Ill be getting teh car towed back to my house tommorrow or Thursday. So atleast it will be at house where all "my" tools are. I didnt want to have to borrow any of the guys tools at the garage where the car is at.
So as soon as teh car gets back here, the first thing Ill check is the plug wires and how their routed. Next Ill check for the CEL and see if it comes on. Than Ill try thermal paste on my old DIS, and than on the one Ill be getting. Than possible the O2 sensor, which is brand new and has about 400 miles on (installed with new SS y-pipe). Than possible try different cheap autozone wires on the rear bank.
Since only the rear bank cat is glowing, Im assuming I only need to look at stuff on the rear bank. Not so much waste any time looking or testing stuff on the front bank (unless the CEL comes on and says the front bank is bad).

But yes, ill be kepping an update on this, as soon as teh car gets back. Im sure this problem will happen to others also. So having this thread could be pretty helpful.
Thanx again people :wave:

 

[Dylan]

Alrighty, I just got the car back to my house (got towed). I checked teh plug wires and they are run correctly
1 2 3
4 5 6

5 1
6 2
4 3

The CEL Does NOT come on while the car is running. It does come on when i turn the key, so I know the light does work, but goes off once the car starts.

I guess next is to put some new Thermal paste on the DIS, odds are, if it is the DIS than its probably toast and the thermal paste wont do anything. But Ill give it a shot anyways. Since I plan on getting another DIS and put some TP on and see if that does anything. If that dont work, I pull the intake and start checking plugs.

Can I take the coil pack to advanced auto to get tested??

I have the Taylor 8.2 wires from shosource and the Motocraft plugs that are the Fine Wire ones. Both plugs and wires are brand new also.

 

[scotthurd]

some advance autos do test them. I took mine to autozone to have them tested, they dont really have a way to properly test them though. I took the coil thats currently on my car and they told me it was dead...which its not. Test to make sure youre getting spark at the coil and on the rear bank. Weird that its not throwing some kind of code. If youre getting spark I'd look at the o2 sensor and then maybe the cat.

 

[Dylan]

I just got back from advancedauto and they tested the DIS and said it was GOOD.

I guess next could be to change teh O2 sensor.
Their brand new though (400 miles), but Ill give it a try. Im hoping thats a part I can return if I dont need to replace it. Install the new O2 and have the problem still occur, than take it out and put the on that was in their, back in their, and return the new O2 and get my cash back. But IDK if I can return that part.

Ill check to make sure Im getting spark at the coil, than check for spark on the rear bank.

 

[Dylan]

how do i check for spark at teh coil and at the rear bank?

I can only think of having the plug attached to the wire and have the plug out of the VC and touch it to something metal. But being on the rear bank, I have to take the intake off and thats can be very timely doing that. Since I belive the intake has to be on to start the car.
So I cant imagine taking off intake, pull on plug. Reinstall intake and start car to test that one plug and wire to see if spark is making it out of the plug.

Is their an tester that has a rod that comes out and I can stick it in the coil, where the wire would go and see if it reads anything??

Im sure they make somethign I can clip onto the wire somewheres and see if spark is going through the wire.

Im just tring to do and check all I can before I have to take the intake off.

But thanx everyone (scotthurd) for your help and info with this. Im sure itll get figured out sooner or later

 

[Dylan]

and also I do have that wire to the oil plug on the oil wire thats broke off, any chance thats doing something to it??

I thought it was just for an oil level light. But even thats doent come on

 

[scotthurd]

Dylan, yes they do make spark testers should be able to rent one or purchase one from auto store. Usually around $15 or so. Or you can pull them by hand and of course and test that way. You'll probably get zapped, i know i did, ha. Google is your friend on how to's. Is the car an atx or mtx? On my 94 atx i dont need to take the intake off to get to the plugs. I know the mtx is a little tighter squeeze.

 

[Mike Gallion]

Don't HAVE to remove the intake to remove the plugs.... It makes things a bit easier but with a good spark plug socket and a 12 inch extension they come right out for me in my 95 mtx.

 

[Dylan]

Well just spent another day tring to figure out this car, but NO luck.

I put new thermal paste on the DIS, I only have 3 of the 4 bolts that hold the DIS on, I hope ALL 4 bolts arent nessasery.
We tested the 3 rear wires, with a new plug against a bolt on the body. All three tested GOOD, or atleast they put out spark.
I took the intake off and pulled all three plugs and ALL 3 plugs were blacker than the ace of spades : ( 2 of the plug wells had a lil fluid or luquid in their, I "think" it was oil. It was kinda a tan color, like NEW oil, and their is NEW oil in the car.
So I took the valve cover off, the gasket for the VC seemd perfectly fine and the RTV sealent was ALL the way around the head, NO small spots were oil coild have seaped by. BUT the plug well seals were RTV on the side that mates with the head and that seemed good, but the side were the seal meets with VC I DIDNT put any RTV and it seemed like their may have been a spot or two were oil could have seaped by.
So, I RE-applied new RTV on the head and were the plug seals go on the head, than I RTVd the plug seals onto the VC, let them sit for a half hour to tack to the VC, and put the VC back on the head. And reinstalled the intake.

We also put brand new Motocraft plugs back in, the Fine Wire kind. I belive those are the ones that work with the Taylor Wires. Something about the plugs being longer and the wires being a lil shorter to make up for the longer plugs, or something like that, I read about.

I only saw 1 ground wire bolted to teh intake bracket on the passenger side rear bracket. I thought I read somewhere about a ground wire going to the DIS, but I dont see one, is their one.

Either way, the car STILL runs like SHIT. The rear cat isnt glowing red, so thats GREAT news, but something is still hindering this car. When you rev it up in neutral, it soudn GREAT but as soon as a load is put on or the clutch is let off, the power feels like its being choked or something. And still NO SES light.


We are getting closer to the point were we may just sell this car

 

[Dylan]

bump, still looking for any ideas to try.

 

[beaudeen]

I'd try to source out a 4th DIS bolt first..if that doesn't help, run a ground wire from the front lower DIS bolt to the battery post ground..at least you'll rule out a poor DIS ground..had similar symptoms and this worked for me..nothing to loose on your end and worth a shot.

 

[Bob Gervais]

Dylan, good to see you around, sorry you're having problems though...

I agree with making sure all the DIS bolts are installed. The DIS grounds through the bottom right bolt, to the intake, and the intake grounds to the firewall. Get all the bolts in, and make sure the ground to the firewall isn't damaged. Also, check the crossover tube on the intake (the part the DIS bolts to) and make sure it's making a good ground to the bracket it bolts to. Maybe wire brush the contact surfaces a little to be on the safe side. To be on the really safe side, remove that ground strap from the stud on the back of the intake, and install it on the rear bolt that holds the crossover tube to the bracket. I've found a few bad/weak ground paths to the DIS by doing this.

Also, the Taylor wires, check them on the spark plug boot end and make sure the metal contacts that snap onto the spark plugs aren't damaged, or pushed back in the boot. I've run into two sets recently that weren't that old, but had damaged contacts.

Good luck, and let us know how you make out.

 

[Dylan]

thanx for the info beaudeen, Ill go to the sears hardware store. they got a HUGE alise thats just nuts and bolts. They should have what im looing for

And Bob. good to hear from you again, glad to see your still around :wave:

Ill also buy some extra gound wire for the DIS.
Ill get back workign on the SHO probably Christmas Day, when my dads here to help.
And I "think" its possible I didnt re-install the lil bracket that bolts the crossover tube to the rear tank. Casue I notcied the couplers were stronge enough to hold it on, atleast whole it was on my livingroom floor. But maybe I didi put it back on, ill have to check.

I also thought about removing the ground wire, to see if it still runs the same or gets worse. It might be a quick way to test if its the ground wire. But regardless Ill still be buying extra ground wire. To hook right to crossover bolt, and maybe still have the one going to the rear inatke bracket. And 1 to the Neg battery (temporary use, just to test).


But thanx ALOT for the info you two. It feels good to know theirs something else I can try, cause Ive tried ALOT and couldnt figure it out (yet) and was getting worried thinking their wasnt much I could try.
But Ill be keeping my fingers crossed and hope for a Christmas Mircale that it works
Later

 

[Mike Gallion]

Mine wouldn't even start with the rear tank to crossover bracket left off.
No need to ask how I found out!