2G will not start?

[mitsu_matt]

Ok, i have a new 6 bolt swap, did all my homework ( I thought so). I am to the point of trying to start it. I crank it and crank it and crank it... but nothing. A few really loud bangs but other then that I get nothing.

I checked the cop and they all seem to be sparking great.

I see fuel on all the plugs and see 25 psi on the fuel rail.

Everything in the motor is new, or replaced. It still will not fire up.

Any thoughts?

 

[kris_stewart10]

are you getting air???

thats the only thing not checked off the list

 

[AiR]

Timing and crank angle sensor are the first things that come to mind.

 

[Nito15]

Have you eliminated the possibility of having an inverted cam signal problem? I imagine that you have a dsm link or dsmchips that inverts the cam signal for you since you can't really change the cop ignition around. Also related to that, what CAS are you running?

 

[mitsu_matt]

How do I check to see if I am getting air?

I am not using the dsm link yet as I could not get it to connect to the eporm. So I put back in my 98 ecu.

I also tried to invert the cas 180 Deg but still the same thing. Timing is all lined up.

Could it be a bad angle sensor?

 

[joro702]

i was either thinking it was the angle sensor or the timing because on my friends dsm it had the same problem and it was the angle sensor so check it out.

 

[mitsu_matt]

Ok, I checked the CAS sensor by taking it out and turning the key on and turning the CAS by hand and it made the fuel pump turn on and even made the motor start to turn! So I think it is working. So now what? How do you check to see if you are getting air?

 

[blcknspo0ln]

You need to take the COP out and manually verify each cylinder is receiving spark. You can do this by putting a good spark plug on the end of the boot and holding the tip by the valve cover when someone is cranking the engine. After that, do a compression test.

Your base fuel pressure needs to be at 43.5 with the vacuum line OFF.

Your CAS needs to be set in the middle of the range prior to setting it manually with a timing light.

 

[mitsu_matt]

Yes I have verified spark on all four cylinders.

One thing I did think of that might be a problem is I wired the COP for the inverted cas. If I was to put in the 98 ecu would the firing order be off then?

I think maybe there is a problem with the 95 ecu. when I turn the key on the cel stays on. when I put in the 98 ecu it comes on and goes off after a few seconds. Also I can not get DSMlink to connect to the 95 ecu.

Any thoughts?

 

[blcknspo0ln]

Yes I have verified spark on all four cylinders.

One thing I did think of that might be a problem is I wired the COP for the inverted cas. If I was to put in the 98 ecu would the firing order be off then?

I think maybe there is a problem with the 95 ecu. when I turn the key on the cel stays on. when I put in the 98 ecu it comes on and goes off after a few seconds. Also I can not get DSMlink to connect to the 95 ecu.

Any thoughts?

connectionproblem [ECMTuning - wiki]

If you connect the ECU and the CEL does not turn off, that can be an indication that theres something wrong with it. However, it turning on does mean that its receiving power. Who did the socketing for you? if you think it is the ECU, just send it to dave/thomas at ECMTuning (dsmlink) to check.

If your cop is wired to be reverse coiled, then yea, it would fire the wrong coil at the wrong time and you would have a no start.

 

[mitsu_matt]

Ok yea I just reversed the COP wiring and dropped in my 98 ecu and it fired up!

Now I gotta figure out why I have no oil pressure.

How long can you run a motor waiting for the oil pressure to come up before risking damage?

 

[blcknspo0ln]

that is a very scary reality. Ideally, you want to pack the oil pump and prime the engine while the timing belt is still off by spinning the oil pump sprocket manually with an impact wrench or drill. You do this until you see oil coming through the top oil holes along the head. Since you've gotten past this stage, oil pressure can instantly build or it can take 30sec-2minutes. I DO NOT recommend running the engine and taking the chance of seeing oil pressure. How long did you let the car idle before you saw you had no oil pressure? The damage can be instantly done or it can't, but I wouldn't risk the crap shoot.

I'm glad at least you have figured out your no firing issue. As much as it blows to do it, I would recommend removing the t-belt and priming the engine manually before you fire it up again. If you'd like, check out the engine FAQ section, someone posted a how-to to prime your engine while everything is together.

 

[mitsu_matt]

Yea I did prime the oil pump on Thursday of last week. used the drill motor on the sprocket took a while but I did get oil top the head. Then I put it all back together and tried to fire it up. Had these problems and now I do not see oil pressure and do not want to wreck anything. ahhh!!!! I just thought since I did have oil that maybe it would jump up right away.

Guess I should just pop off the t belt and do it again.