Misssing

200SX MP · Post by **200SX MP** » Thu Jun 14, 2007 7:32 am

Thanks to MR CALIBRATOR i got my coil packs so i instaled them yesterday afternoon started the car it was running nicely left it to get some heat into my enjin and whent for a drive as i exited the drive way the bluddy thing started misfirering any segestions I fideled a bit and sortof got it sorted but it seems like a wireing problem or an earth problem

I FEEL LIKE CREYING

The Calibrator · Post by **The Calibrator** » Thu Jun 14, 2007 7:52 am

What kind of missfire is it? Sometimes people call things missfires that are actually wsomething else.

Does a cylinder or 2 breakdown as you load it from low rpm and then clear up?
Or does 1 or more of the cylinders die completly?
Or does the engine just cut out momemtarily?

veecee · Post by **veecee** » Thu Jun 14, 2007 10:14 am

i went through something similar, that i initially thought was coils, or the coil harness.

after going through every single damn problem that it could have been, it turned out to be CAS.

i'm not saying your problem will be your CAS, i'm saying that you should keep your hopes up because you will need them if this problem is going to take as long as i did to resolve mine!!!!

veecee · Post by **veecee** » Thu Jun 14, 2007 10:14 am

and try to supply us with enough info so that we might be able to help.

good luck dude!

Gary57 · Post by **Gary57** » Thu Jun 14, 2007 10:24 am

I had a similar problem whenever I changed my plugs from 6 - 7. Everytime I would pull the plugs and they would FULL of carbon, so after many hours of leaning the mixtures, test driving and pulling plugs it has almost stopped. The car was just far too rich. I have just order my Zeitronix wideband and see where the mixtures are, will make it alot easier as I wont have to continuously pull the plugs and check.

Maybe this could be your problem?!

200SX MP · Post by **200SX MP** » Fri Jun 15, 2007 7:24 am

It is a missfire only on cylinder four and it doesnt clear out when the rpms goes up but when it idles it sounds fine and it revs up abit without misfireing but as soon as i want to drive it it starts missfireing im convused (IN MY glory in)

Gary57 · Post by **Gary57** » Fri Jun 15, 2007 8:26 am

So 1 cylinder is missing under load.

S13- S14 Conversion · Post by **S13- S14 Conversion** » Fri Jun 15, 2007 8:37 am

Have you checked your injector on 4?

veecee · Post by **veecee** » Fri Jun 15, 2007 9:15 am

Gary57 wrote:So 1 cylinder is missing under load.

i'm quite sure he said cylinder 4.

are you drunk?

Gary57 · Post by **Gary57** » Fri Jun 15, 2007 9:23 am

Gary57 wrote:
So 1 cylinder is missing under load.

i'm quite sure he said cylinder 4.

I meant 1 cylinder, 1 of the 4.[/quote]

veecee · Post by **veecee** » Fri Jun 15, 2007 9:30 am

Gary57 wrote:
Gary57 wrote:
So 1 cylinder is missing under load.

i'm quite sure he said cylinder 4.
I meant 1 cylinder, 1 of the 4.

[/quote]

i must be the one who's still drunk from that one beer i had last night!!!

or totally dixlesssic!!!!

sorry dude!

Gary57 · Post by **Gary57** » Fri Jun 15, 2007 9:34 am

i must be the one who's still drunk from that one beer i had last night!!!

or totally dixlesssic!!!!

sorry dude!

You must of been totally smashed, cause you are VC not dislex, he drives that red S14 and you have a S13.

S13- S14 Conversion · Post by **S13- S14 Conversion** » Fri Jun 15, 2007 9:35 am

veecee wrote:
Gary57 wrote:So 1 cylinder is missing under load.
i'm quite sure he said cylinder 4.

are you drunk?

And I meant HE must check the injector on piston 4!!!!

The Calibrator · Post by **The Calibrator** » Fri Jun 15, 2007 12:23 pm

Do this.
Number the coils. Swap no 4 to no 1 take the plugs out look carefully at the condition if they look fine swop no 2 and no 4.

Now see which cyl the missfire has moved to if its still at no 4 then its not the coil or the plug. Go to step 2

2:Then swop no 4 injector to no 1 and see if the missfire moves if it doesnt then have a real good look at your wiring and possibly the Coil driver.

You should isolate it in 30mins if you do the above.

veecee · Post by **veecee** » Fri Jun 15, 2007 12:48 pm

The Calibrator wrote:Do this.
Number the coils. Swap no 4 to no 1 take the plugs out look carefully at the condition if they look fine swop no 2 and no 4.

Now see which cyl the missfire has moved to if its still at no 4 then its not the coil or the plug. Go to step 2

2:Then swop no 4 injector to no 1 and see if the missfire moves if it doesnt then have a real good look at your wiring and possibly the Coil driver.

You should isolate it in 30mins if you do the above.

listen to the words of wisdom!!! this plan would have saved me plenty of time, but i had other ideas. i decided to go after the electrical system!!!

anyway - this would probably take me about 30 hours - not minutes!!! but then again, i like to undo a few nuts and bolts, then talk kaka, then undo some more then have a beer, then redo some nuts and bolts and talk more kaka while having more beer.

it would be a veritable party of mechanics in my garage over the weekend if calibrators plan had to happen!!!