350Z CRANK NO START SOLVED!!!

2003 CRANK NO START SOLVED!!! In this video, I am installing a new ECU in my 2003 350z and attempting to start it for the first time in 2+. years. Also, I am replacing the fuel pump seal on the 350z. Thank you so much for watching. I hope you enjoy it. Cheers!
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[@redturtle242]

I love your daughters energy, she’s so sweet and supportive!!

[@aleemrahim6846]

The face of accomplishment

[@dheerajrajeevan4867]

ECU!! ECU!! haha lil girl is learning

[@brentnearhood8874]

Nice Job! AdrianMake sure the windshield is not leaking water on the new ECU.

[@AdrianBilladeau]

Yes sir! Thank you.

[@NeonTuner524]

Is that what caused the ECU to fail? My 350z had water all in the floor boards bc the entrance hole from where the ecu harness penetrated the firewall was allowing water to pass through. I used caulk chord and the leaking is gone…but my Z is a crap shoot for whether it starts or not, now.

[@brentnearhood8874]

@@NeonTuner524 Also check the sun roof drains to make sure they are not plugged.

[@AdrianBilladeau]

@@NeonTuner524 Im not sure. When I bought the car I did a decent inspection and there was not any sign of leaking in the main cabin area. No water stains, mold/mildew, sour smell ect… I suppose it’s worth another more focused inspection though. Thanks for question and the bit of knowledge.

[@codyoneill6091]

I’m having a crank no start problem on my 04 Z. But if I disconnect the battery, touch the terminals together to kill any left over power and then reconnect them to the battery, my car will start and run fine until I turn the car off again then I have to repeat the process. Did you also experience this?

[@AdrianBilladeau]

No, I did not have this issue. Mine would just turn over and over and over and not start up. The ECU was fried for some reason. Replaced that and she started right up, no issues afterward.

[@codyoneill6091]

@@AdrianBilladeau mine too will just keep cranking. But if I disconnect the terminals from the battery and, kill off any left over power in the car then re connect the terminals to the battery, my car will start and run fine. But if I shut the car off and go to start it, the problem returns. I got my battery and alternator checked which they said were completely fine… so that leads me to believe I have an ecu problem

[@anilrehmatullah7906]

good work

[@PndaVQ]

What kind of cam sensors do u have and crank shaft sensor cuz I’m having a crank issue but no start

[@AdrianBilladeau]

Definitely run the OEM factory sensors. You can either pick them up from a dealership or Z1motorsports.com. These two locations should have the most up to date versions of the OEM sensors. They are also gonna be more pricy. Your local parts houses should also have them. But from what I understand they do not last. Hope this helps out and I hope that you are able to get the issue solved and your Z back on the road.

[@aleemrahim6846]

What would you say about my radiator fans always running when ignition is on and only cranking? This happened after I dumped the clutch in 3rd and stalled

[@AdrianBilladeau]

@@aleemrahim6846 that’s odd! Can’t say I have heard of this before. No lights, or codes coming up? Maybe try disconnecting the battery for a while and see if it clears out any gremlins.

[@aleemrahim6846]

@@AdrianBilladeau scanner isn’t able to communicate with the car I’ve tried the disconnect , I think my next step is replace the ipdm, or the ecu

[@RealJKingBeatz]

@@aleemrahim6846check your ipdm

[@farhanfarooq8666]

What led you to believe that it was a bad ecu

[@AdrianBilladeau]

@@farhanfarooq8666 because everything worked as it should except for the fuel injectors. To my knowledge the ECU is the only thing that controls the injectors. The car fired up immediately once the ECU was changed out. But the BCM can also be faulty causing similar faults. Something about the early NATS systems having a lot of issues. That’s why a lot of people end up deleting it or bypassing it. Again this is coming from the research I did leading up to changing out the ECU.

[@farhanfarooq8666]

@@AdrianBilladeau oh ok because I have a 06 g35 at that cranks but doesn’t start and got no luck but ik it’s getting fuel

[@AdrianBilladeau]

@@farhanfarooq8666 yea mine was getting fuel to the injectors but nothing was being sprayed into the cylinder.

[@Zubawoo]

Quick question. How did you know It was not the IPDM ?

[@AdrianBilladeau]

I check all of the fuses there and everything was fine. I thought it was still a possibility too. But I did a pretty in-depth check on just about everything you could check. So I came to the conclusion that the ECU was not operating correctly. I mean everything worked except the injectors. Swapped the ECU and it fired right up with no problem.

[@l0w.key_955]

Whenever you had your no start no crank did your fuel pump prime at least?

[@zakswindle]

Did you replace your ecu or get it repaired?

[@AdrianBilladeau]

I replaced it. I used www.fs1inc.com/ And got a replacement ECU.

[@zakswindle]

Was your check engine light on before the new ecu

[@AdrianBilladeau]

@@zakswindle no, there were no dash lights on. Nor were there any codes.

[@zakswindle]

Could your code scanner communicate with the bad ecu

[@AdrianBilladeau]

@@zakswindle yes it would still communicate with it but there was no code indicating that the ecu itself was bad.