Almost BG bound-Need help AGAIN

[oricale]

Allright here we are....its like an old house or in my case an old 50's area Jet we in the Airforce are STILL USING!!....every time you figure out one problem...BAM!..another one pops up.....

Anywho!.....I figured out the Pin was the problem with the CODE 42...NOW as soon as I started it up,The idel seemed great but as soon as I gave it gas it sputters/smells of gas and tries to stall...and is has a definate MISS!...

so here are the symptoms!:

*Idles rough
*smokes out the drivers side bank
*backfires(once or twice)
*OBVIOUS MISS on rev up
*NO CODES
*SMELLS of FUEL
*light "Ticking"(Injector?)

I have pulled the plenum off just to check everything and everything is good:

* I am running Autolight Double platnum, gauged at .32
* Wires are new
* Injectors are new(rebuilt FIC)
* Removed secondary control system
* Chip'd by Pete to include secondary removal
* ALL vaccum removed or replaced except required to run the HVAC and ect.


MEOW> With the code #42 I was told by Tom it was running in LIMP MODE...If that is the case the secondary injectors would not have been used right??....now that the code is cleared I am now trying to use a bad injector?(that would have been bad the whole time and not know it?)

I would rather NOT pull the plenum AGAIN till I can narrow it down!....to something.

What ya'll think???????




(How many people caught the "meow"?..(Super troopers...HA!)

[mike100]

Just to check fundamentals...

is the firing order correct? I wouldn't go too much further until you can trace out which wires go to which coil post.

[XfireZ51]

Marc H did a presentation last year on rebuilt injectors. The problem isn't the nozzle or mechanicals but rather the injector coil which is not rebuilt. Of the issues I have heard of w FIC, they have always been stand-up about backing their product. That's not the issue. But w 20year old injector coils, its a problem waiting to happen. My Accels have ~20K on them without a hiccup. I was fortunate enough to get them when Atlantic Speed still sold them so reasonable price.

[QB93Z]

I agree with Mike100. Go back to the first start up after rebuild. Has the car ever run properly?

I wonder if there is some fundamental timing or fuel problem that was masked by the seemingly OK operation that was really just the engine running in Ignition Module spark control mode ( I can't remember the correct name, but it means that the ECM is not controlling the spark timing.)

Jim

[oricale]

OK after a bit of troubleshooting this is what I have:

with the stock chip in and it idles fine.(although it is running rich on the drivers side),..So I have replaced ALL the spark plugs but no change with the modded chip(have not tried the stock chip with new plugs....

My only question with Jim's post is...the car ran fine(all be it with no power, a little hesitation,and the idle fluctuation BUT NO missing...(the moment I fixed the pin- the car ran like S^&t..all vacuum is checked,...NO codes...

Bottom line its missing and the only thing that has came on line is the secondaries because of the removal of the code #42.


Any other way to check this??

[scottfab]

Originally Posted by oricale

with the stock chip in and it idles fine.(although it is running rich on the drivers side),..So I have replaced ALL the spark plugs but no change with the modded chip(have not tried the stock chip with new plugs....

Any other way to check this??

Are the sparks as lively on the drivers side as the passenger side?
It's easy to check with a spark tester or just put a plug in the end
of each wire one at a time. Maybe when under the plenum last a wire
or two got unplugged?

[tomtom72]

FIC rebuilt = possible bad injector. Not a Knock on Jon. This is always a possibility when using rebuilt parts. Your symptoms, now that the pin is straight, are that the left bank has one or more dumping fuel or no spark....I vote for dumping fuel as you say it smokes...black smoke of a rich condition? What does the tail pipe on the left side smell like, unburnt fuel???

[oricale]

yuuup..and the whole garage smells of fuel too. I pulled #1 and #3 plugs and #1 was soaking wet and #3 was real rich...

[XfireZ51]

Is any of this a remnant of having been in "limp home" mode?
Have u had an opportunity to wring the car out?

[oricale]

Nah the only real difference I noticed was lack of power, fluctuation of idle and hesitation and the code..it ran at least! so I dont know if there could be a issue from the limp mode...who knows