it would not start on its own fuel system but would with starting fluid. i have not did a full tune up yet .and have not checked spark . i did not try spraying just gas in the throttle body. i just sprayed starting fluid in the air cleaner and it ran for a second. i will check spark plugs tomorrow .

 

i doubt his injectors are plugged up. they ALL would have to be plugged up for it not to run.

It sounds like he is having a electronics issue.

If the pumps are on and the injectors are making noise. I would check to see if his MAF (or afm, tps and anything else that gives the computer variables for how long to hold the injector open for)

If its start with starting fluid lets assume his timing is ok.

I would check to see if your spark plugs are wet or not though. Definitely a good indication whether fuel is shooting in or not.

 

I talked to the guy I bought it from ,he said when the fuel pumps supposedly quit it would still start and idle but you couldn't give it any gas or it would die. Does this help or confuse ?

 

Yea I doubt it to trying to guide through the process of elimination, find out what does work narrowing down to what doesn't.

Had a 2.9L engine in a bronco II sat for 10 years out in the back before putting its motor in another one for my boy, it started right up its injectors weren't clogged.

If the plugs are soaked with fuel perhaps its a air problem, IAC issue not allowing any/enough air passed. Knowing if the revans needs hold throttle open/part way open when it does run on starting fluid would shed some light on that aspect.

Probably help with a fresh tune up on it, to little fire in the hole plus 3 year old fuel now? However wouldn't be cause 3 years ago.

Takes much less spark to set off starting fluid then it does gasoline especially old gasoline. Again wouldn't be the problem back then but not helping now if fuel remains unchanged. Not drained and replaced or least topped off with fresh fuel diluting old stuff.

Pull spout jumper, see if will run on base timing.

 

What is the spout jumper ?

 

On yours I suspect it be near the base of the distributor but might be near drivers side hood hinge. I'm not sure on your 90 but think its by the dizzy.

Should look like this,

Redirect Notice

 

I'm gonna go ahead and do tune-up and drain fuel to add new fuel today. I will check that other stuff to. Be back afterwhile.

 

FWIW, I just finished converting my 86 F350 to EFI, and I had a number of stuck injectors. I had no start also. I ended up with 5 bad of the 16 I had, the others might be salvageable if I can put them in an ultrasonic cleaner with varsol. It runs nicely now.

 

Ok I'm getting good spark,and I pulled the spark plugs and they are not soaked with gas but they have gas on them and u can smell gas bad at the spark plug hole. Checked the injectors with a noid light they show good. Open for ideas !

 

When you checked with the noid light you did get a pulse, not a steady glow? Have you tried checking the static timing, where the rotor is pointing when you are on TDC #1? If the distributor has been out and reinstalled out of position, the injectors may be off enough to not work correctly.

 

You could test the timing make sure its on however the fact it does run on starting fluid does tend suggests it's on.
Also to a degree suggests it creates enough intake vacuum to start/run, wouldn't hurt check the vac with a gauge.

Guess wouldn't hurt ask how it sounds when its running on the starting fluid? spit sputter pop and wheeze sounding like total crap in general? or rev's clean and clear not missing a beat stalls out after shot of starting fluid given it has been burnt up?

You said "will start with starting fluid" but didn't go into any detail, myself I assumed that to mean it ran ok in short bursts using fluid.

Did you give it some fresh gas then try starting it with the spout removed taking the computer out of the loop? If so what was the result.

If it doesn't run well on starting fluid or better yet when using plain gasoline we'd need know that.

You should be able to keep it running using a trigger sprayer full of fuel such as a empty windex bottle to shoot fuel "mist" into the throttle body (works better then say solid stream from squeeze bottle) gasoline is safer use and a better choice over starting fluid.

You'd have to pump fast and steady but should be able deliver fuel at a rate that maintain some semblance of idle speed.

 

The noid light showed pulse. I didn't try it with the spout removed yet will do in a little bit. And more testing. Be back tomorrow.

 

ok i"m back . today i drained all old gas put new gas in, installed new fuel filter , new plugs ,distributer cap ,rotor. what i noticed different is more volume of gas at schrader valve . i put gas in a spray bottle and had my son crank it . it started on gas just like ether but didnt stay running when i stopped spraying. so spark for gas burn is good . i'm about ready to punt .

 

What did it sound like when it was running on the gas you pumped in by hand? sound good or hit miss stumble all over itself?

Did you try to start it with the spout removed?

 

runs good, sounds good,made me feel good .lol. no have not did the spout thing yet ;what was that suppose to tell me.