Truck won't start

Sy-1177

Sy-1177

Turbo Inside
Ok, i'm having an issue with the Ty and it is driving me crazy trying to figure out why it will not start! So I drove it down the street a few weeks back and it started backfiring and sputtering pretty bad so I turned it around and brought it back home. (just barely running at this point) As soon as I hit my driveway it stalled and will not fire back up. When I crank it, it sputters like it wants to start but will not. I did get lucky 1 time and it did start up for like 5 seconds but then stalled right away and nothing since. It has a recent tune-up done by me (plugs, wires, cap, rotor) and that all checks out. It has a new coil; new IAC; new starter; new alternator; new battery; new fuel filter. I pulled the throttle body and everything looks good in there. My pressure guage on the fuel rail shows around 50lbs so fuel pressure should be fine. I swapped the ECM with the Sy and had the same results. So basically i'm at a loss. Any suggestions where to look next?
 
dgoodhue

dgoodhue

BuSTeD 4.3
Re: Truck won't start

I would check the firing order. I mights also check the plugs (I crack the ceramic once), but I don't think one plug would make it run that bad though.
 
Sy-1177

Sy-1177

Turbo Inside
Re: Truck won't start

Thats just it... I did the tuneup around 100-200 miles ago, and it ran fine after that. This sputtering crap just started all of the sudden. And whats weird is that it did fire back up one time and ran fine for about 5 seconds and just quit and hasn't run since.
 
dgoodhue

dgoodhue

BuSTeD 4.3
Re: Truck won't start

It sounds like an ignition issue to me. Make sure you haven't burnt a wire and the connections are good. It probably fouled up the plug, that is why it won't run now while it ran piss poor before.
 
Sy-1177

Sy-1177

Turbo Inside
Re: Truck won't start

All the wires look good. I pulled a plug out to see what it looked like and its loaded with gas; plus it smells like raw gas under the hood too. (from cranking it so much)

I wonder if my distributor took a dump on me?
 
Ian Turgeon

Ian Turgeon

Cascading Inspiration
Re: Truck won't start

It sounds like you have fuel so, check for to see if your getting no or a weak spark. If the spark is strong then its probably a spark timing issue.

Theres a good chance its something you were worked on, check the wire connections at the coil too.
 
Don W.

Don W.

Stab it and steer it
Re: Truck won't start

Plug a (grounded of course) plug to the coil wire and crank. See if you have spark.
 
M

MadPSI

Member
Re: Truck won't start

TYTILIDIE said:
Ignition Module sonny.
Click to expand...

I second that idea...

Either that or possibly the distributor hold-down came loose and it spun, but that's a stretch. I definitely replace the ignition module first, it's cheap.
 
Sy-1177

Sy-1177

Turbo Inside
Re: Truck won't start

TYTILIDIE said:
Happened to me twice now. Got the backfiring, barely made it up a hill then nada.
Click to expand...
No shit... i'll try that today! Thanks for the input guys!
 
Don W.

Don W.

Stab it and steer it
Re: Truck won't start

MadPSI said:
Either that or possibly the distributor hold-down came loose and it spun, but that's a stretch.
Click to expand...

Except in my case. Had my truck for quite awhile, running fine, when I thought I'd check the timing. Dist was just sitting there. Bolt was loose, hold down wasn't even on the dist.:roll:
 
Sy-1177

Sy-1177

Turbo Inside
Re: Truck won't start

Well, it wasn't the controll module. :( Distributor is tight so I know it didn't move or anything; plus there are no codes being thrown. I guess my next step is to pull the distributor.
 
Don W.

Don W.

Stab it and steer it
Re: Truck won't start

Have you actually checked spark? See my above post, or some other way. Also I've seen this type of coil just quit.
 
B

black_list_typhoon

New member
Re: Truck won't start

coolant temp. sensor bud. if the wiring to it or the sensor goes bad it will tell the ECU that its like -40 degrees and will dump shit loads of fuel into the engine. wont start unless ur lucky and when it does run it puts out black smoke and sounds like its running on only 4 cylindars. also the boost gauge will go crazy.
 
Sy-1177

Sy-1177

Turbo Inside
Re: Truck won't start

black_list_typhoon said:
coolant temp. sensor bud. if the wiring to it or the sensor goes bad it will tell the ECU that its like -40 degrees and will dump shit loads of fuel into the engine. wont start unless ur lucky and when it does run it puts out black smoke and sounds like its running on only 4 cylindars. also the boost gauge will go crazy.
Click to expand...
Hmmm... thats what it seems like its doing too! Very strong gas smell under the hood and the plugs are loaded. I'll check that tonight!

And I did verify that it does have spark.
 
Sy-1177

Sy-1177

Turbo Inside
Re: Truck won't start

Coolant temp sensor didn't work either. I am really at a loss here. I swapped out map sensors from the Sy just for the hell of it, still nothing; and I even loosened the hold down on the distributor and gave it a little advance then retard and still nothing. It is definately loaded up with gas, but just won't fire. :(
 
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