on my 1991 ef im not getting any spark checked fuses, coil pack, ignition coil, ignition modual was bad changed that changed ecu and still no spark any sugestions ? please help!!!!!!!! thanks

 

Have you checked the main relay? When you take it out if it smells like popped corn, thats a damn good indication its no bueno.

 

???

 

Buy a new dizzy!

 

man i have checked main relay, ecu , ignition coil ignition module grounds even the groung on the thermostat, plugs cap rotor fuses relays and nothing i think im gonna get a new distributer ill let you know if its a success! thanks for the reply fellas

 

Did you check whether the timing belt snapped?

 

what did you do to test that you have no spark?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by manuelesr &raquo;</TD></TR><TR><TD CLASS="quote">man i have checked main relay, ecu , ignition coil ignition module grounds even the groung on the thermostat, plugs cap rotor fuses relays and nothing i think im gonna get a new distributer ill let you know if its a success! thanks for the reply fellas </TD></TR></TABLE>
haha man I am having the same problem...

got a new distributor though which is puzzling the hell out of me.

Coil is good, far as I have measured wiring is good, ICM is good, brand new cap and rotor but no spark on any of the wires.

If you figure out your problem please post how you fixed it

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by kalm_traveler &raquo;</TD></TR><TR><TD CLASS="quote">
haha man I am having the same problem...

got a new distributor though which is puzzling the hell out of me.

Coil is good, far as I have measured wiring is good, ICM is good, brand new cap and rotor but no spark on any of the wires.

If you figure out your problem please post how you fixed it </TD></TR></TABLE>

I would recommend that you also check whether your timing belt snapped.

 

i bought a new dizzy and still no spark, i checked the timing belt i even timed it and still no spark to test for spark i pull out a wire plug a plug into it and put it by a ground and then i have a friend crank and nothing i even tryed this with a screw driver im getting power to the dizzy if any one knows about obd0 ecus i have a question ok well i have two ecus one when pluged in the led wont turn on and the other one when pluged in the ecu led stays on and i herd it was supposed to turn of that and i get a engine light on when i plug then in

 

did you just "complete" an mpfi swap if so somthin just aint right.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RonJ@HT &raquo;</TD></TR><TR><TD CLASS="quote">

I would recommend that you also check whether your timing belt snapped.</TD></TR></TABLE>
yeah I took the upper belt cover off first thing after picking up the car. belt is just peachy.

Car has something majorly draining it I think, cuz it sat for 1.5 days and the brand new battery was reading 0.3v maybe the door was propped open just a little though

Still haven't been able to figure out why it's not sparking heh

 

Did you check your battery?

Somethign I learned with my DX, it would try and crank but would not spark, my battery was too low to get anything going except the starter...

Get a good 200amp 12V DC starter (large battery charger) and it will start your car up... you've done all the testing, all is good, but you never said you checked battery level (lights will work, but starting power isn't there)

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cuteboi &raquo;</TD></TR><TR><TD CLASS="quote">Did you check your battery?

Somethign I learned with my DX, it would try and crank but would not spark, my battery was too low to get anything going except the starter...

Get a good 200amp 12V DC starter (large battery charger) and it will start your car up... you've done all the testing, all is good, but you never said you checked battery level (lights will work, but starting power isn't there)</TD></TR></TABLE>
I put a brand new battery in and charged it with my battery charger before trying to start the car.

Somebody suggested the main relay might be at fault so I'm resoldering all it's joints as we speak. This is really starting to confuse me cuz I've never ran into such a mysterious no-spark situation

 

ok I resoldered all the joints on the main relay, still nothing.

Something came to mind since I am soaking that seat-belt fuse holder in baking soda...

On the 90-91's with automatic seat belts, will the car not start if they are not connected? Since I picked this car up the automatic belt has not been clipped in.

Anywho, since I tested for power on the harness plugs and it was there what else could possibly be checked?

Coil is good
ICM is good
harness plugs have power
main relay has been resoldered
new cap and rotor

 

Well, as mentioned by you and others, it may be time to replace the dizzy.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RonJ@HT &raquo;</TD></TR><TR><TD CLASS="quote">Well, as mentioned by you and others, it may be time to replace the dizzy.</TD></TR></TABLE>
I'm hoping to Soichiro that you're right... Soon as Uncle Sam gives me my tax return I'll snag a new one.

 

i changed everything you changed and some and i still have no spark i even bought the $220 dizzy and nothing still no spark im thinking ecu, what does your ecm do when you turn the key to accessory does the led come on at all cause mine stays on and the other ecu i have the led never comes on

 

The ecu should blink once. That doesn't mean it will, I have a car where it does not blink, but it drives fine.

I asked above. What has changed since the car ran. Did you just do an mpfi swap, swap a motor, etc?

 

i bought the car not running the guy i bought it from couldnt figure it out eather i thought i would be able to but still no luck he kept saying the altinator was bad but i changed that already, and the thing with the ecu is the one that wont blink wont blink and im getting a check engine light

 

You need to pin test the ecu plugs. Make sure the power is good, ground is good, and the wires to the ecu are correct.

Also, check that the ground wire on the engine harness is attached to the thermostat housing. It is easy to forget this, and the car won't start without it.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by manuelesr &raquo;</TD></TR><TR><TD CLASS="quote">i bought the car not running the guy i bought it from couldnt figure it out eather i thought i would be able to but still no luck he kept saying the altinator was bad but i changed that already, and the thing with the ecu is the one that wont blink wont blink and im getting a check engine light</TD></TR></TABLE>
this one I have the check engine light comes on for about 2 seconds when you go to start it (like a normal car).

It'll crank all day long but there's no spark and after about 10 seconds of cranking the CEL comes back on saying Code 8 (TDC sensor). I do have another ECU and distributor laying around somewhere, just need to figure out wtf I did with them.

Also - one idea I had today was that maybe your plugs are not making a solid connection?

 

i have two sets of plugs one msd and one duralast and still nothing

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by manuelesr &raquo;</TD></TR><TR><TD CLASS="quote">i have two sets of plugs one msd and one duralast and still nothing</TD></TR></TABLE>
sorry, I meant electrical plugs - IE the ones on the wire harness.

 

hey twiztid17thninja this is whats new on my car
distributor
battery- even used a 40amp jump start
plugs
wires
starter
altenator
tryed two ecus----one ecu the led stays on the other ecu the led never comes on but with both ecus the check engine light is on strong never turns off
checked grounds
checked for power
checked for short
checked timing
and still no spark