Troubleshooting no fuel issue
#1
Troubleshooting no fuel issue
Edit after further research::::
Ok, I was very vague and very frustrated when I posted this originally. Which makes me sound like a big dummy, my apologies.
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I am not fluent at all with Tuner Studio (for troubleshooting). After brainstorming, I had a lightbulb to run a high speed log (which is attached). This tells me the senors are all reading as they should.
Cylinder 2 and 3 plugs are dry. Cylinder 1 and 4 are black (and almost seem like raw fuel is present)
I am currently still using the nb1 coilpacks and shaved plug wires to fit in the nb2 plug holes (just wanted to let you all know this). I have an inline spark checker (blinky light) and it does fire on cylinder 2 and 3.
Backstory: My car is a 1999, with a 99-00 MS3. I have been on a mp62 on 14psi, figured I should have forged internals, so I built a motor. I swapped in a 01 VVT motor with forged internals and here I am trying for that first startup on a new setup!
Basic: no fuel in cylinder 2 and 3.
I have been running a Rev built Ms3 for over a year.
Last week I swapped in a new motor.
After the install, hooked up the harness, coolant,oil.. I go to start for the first time and it spit and sputtered.
After taking the plugs out, I learned they dont even smell like fuel.
In Tuner Studio I tested spark and injectors, both fire, so they are hooked up correctly.
What should I look into next? Kind of stumped.
I bet it will be something dumb but I need another brain on this one.
Ok, I was very vague and very frustrated when I posted this originally. Which makes me sound like a big dummy, my apologies.
---
I am not fluent at all with Tuner Studio (for troubleshooting). After brainstorming, I had a lightbulb to run a high speed log (which is attached). This tells me the senors are all reading as they should.
Cylinder 2 and 3 plugs are dry. Cylinder 1 and 4 are black (and almost seem like raw fuel is present)
I am currently still using the nb1 coilpacks and shaved plug wires to fit in the nb2 plug holes (just wanted to let you all know this). I have an inline spark checker (blinky light) and it does fire on cylinder 2 and 3.
Backstory: My car is a 1999, with a 99-00 MS3. I have been on a mp62 on 14psi, figured I should have forged internals, so I built a motor. I swapped in a 01 VVT motor with forged internals and here I am trying for that first startup on a new setup!
Basic: no fuel in cylinder 2 and 3.
I have been running a Rev built Ms3 for over a year.
Last week I swapped in a new motor.
After the install, hooked up the harness, coolant,oil.. I go to start for the first time and it spit and sputtered.
After taking the plugs out, I learned they dont even smell like fuel.
In Tuner Studio I tested spark and injectors, both fire, so they are hooked up correctly.
What should I look into next? Kind of stumped.
I bet it will be something dumb but I need another brain on this one.
Last edited by Stockish; 10-07-2016 at 12:55 AM. Reason: I am a dork
#15
Took a break from troubleshooting for the weekend. Went to an Autox at Road America!
Anyway. Last night I did the following tests:
First I tested each injector at the harness for signal with a light, all 4 blinked at key on and they blinked when turning over. Then, I zip tied the injectors to the rail and took the rail OUT of the car and verified they sprayed when they should. Each injector sprayed at key on and according to the cam signal.
Next I hooked a timing light to plug wire 1 and matched the injector (plug 1 injector 1) and turned it over. They both lit as they should.
I did notice the timing light lit once before the injector pulse (the is must be the wasted spark at exhaust?)
So I pretty much ruled out simple stupid stuff.
Plan is to take VC off and check timing again and measure clearances for the shims.
Constructive criticism is greatly appreciated as I want to drive my car before it snows :(
Anyway. Last night I did the following tests:
First I tested each injector at the harness for signal with a light, all 4 blinked at key on and they blinked when turning over. Then, I zip tied the injectors to the rail and took the rail OUT of the car and verified they sprayed when they should. Each injector sprayed at key on and according to the cam signal.
Next I hooked a timing light to plug wire 1 and matched the injector (plug 1 injector 1) and turned it over. They both lit as they should.
I did notice the timing light lit once before the injector pulse (the is must be the wasted spark at exhaust?)
So I pretty much ruled out simple stupid stuff.
Plan is to take VC off and check timing again and measure clearances for the shims.
Constructive criticism is greatly appreciated as I want to drive my car before it snows :(