Danny's 4door Calypso 24v car

[Farbin Kaiber]

I'm feeling ground, or broken wire in harness or sensor. I feel like I always say this on 24v no start threads, but start with the multimeter and check sensors first, then continuity from sensor connector to DME connector.

[Danny]

So what was the fuel issue you fixed?

No 12v to the fuel pump, fixed it by removing the aftermarket alarm.

I'm feeling ground, or broken wire in harness or sensor. I feel like I always say this on 24v no start threads, but start with the multimeter and check sensors first, then continuity from sensor connector to DME connector.

But it has already been running and I checked all the grounds. All the important wires to start are connected.

[Dj Buttchug]

maybe its vapor locked?

edit nvrmnd. ninja post

[AndrewBird]

When you removed the alarm, are you sure you got everything hooked up back as if it were never there? Maybe there is a wire not connected somewhere.

[87e30]

I'm assuming you've felt under the IM for all the sensors... like that annoying one next to the fuel lines on the underside of the intake manifold...

Shit I hate these little things.

[Danny]

Okay I changed the oil and changed the spark plugs and tried again.

Same symptoms. I get a 1281 code which could mean my DME is under powered? I get the code with the red label 413 versus the 506 silver. I'm so beyond stumped on this.

[Danny]

Here's a video of it cranking, you can hear it almost wanting to pop over.

[LJ851]

That is not wanting to start, that is a misfire.Hear how it slows the cranking like its getting punched in the stomach? Did you try starting it on ether? Are your plugs wet with fuel when you pull them out? If you are getting fuel and the engine is not starting the plugs should be wet. What does your crank sensor look like? any damage to it or to its wire all the way back to the harness? Is the sensor gap correct?

[Jand3rson]

I didn't see if this was mentioned already or not, but have you tried another ECU?

[Stephen]

Danny, get that shit fixed so you can come up for the picnic and then help me with my headswap after. namsayin

[Ryann]

The popping in the vid sounds like either unmetered air or shitty spark timing to me.

[Danny]

That is not wanting to start, that is a misfire.Hear how it slows the cranking like its getting punched in the stomach? Did you try starting it on ether? Are your plugs wet with fuel when you pull them out? If you are getting fuel and the engine is not starting the plugs should be wet. What does your crank sensor look like? any damage to it or to its wire all the way back to the harness? Is the sensor gap correct?

Yeah I tried on starting fluid and it backfired through the intake. Plugs are wet indeed. Wet with fuel. Sensor looks okay, the gap is the same as its always been, its tight in its holder.

I didn't see if this was mentioned already or not, but have you tried another ECU?

Yes indeed. No change.

The popping in the vid sounds like either unmetered air or shitty spark timing to me.

Its a backfire type sound through the muffler.

[MR 325]

This seems stupid but see if the 2 10mm nuts holding the injector wiring on are tight.

[Danny]

This seems stupid but see if the 2 10mm nuts holding the injector wiring on are tight.

The two nuts that hold the fuel rail to the injector harness? Those have always been missing, never been an issue.

[416stroker]

weak fuel pressure? Just enough to make it pop maybe thats all?