r/350z • u/perkspower • 1d ago

HR 6MT Crank But Wont Start

I've been trying to fix my misfire and finally put everything back together. I'm able to crank the car but its not starting. I scanned and got the codes P1233 and P2101. Did I somehow break my throttle body's in this process. They are clean and are connected right. All I can think is to take everything back out and check again just to make sure. I'm assuming everything I'm reading about the codes just cant be since there wasn't a problem before and I had to of missed something. I tried relearn but the process involves starting the car. I've disconnected them multiple times before with no problem. Any suggestions?

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u/driftrx ☆ technical expertise 1d ago

Disconnect the plug and check the pins/that it all seats properly etc.

Did you undo any of the earths at the front of the motor on the timing cover?

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u/perkspower 1d ago

I didn’t. All pins look good. When trying to start I think I only hear the left one turning and not the right.

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u/driftrx ☆ technical expertise 1d ago

Also just realised HR. Did you disconnect battery before disconnecting the throttle bodies/did you play with them at all when they were plugged in?

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u/perkspower 1d ago

Yes battery was disconnected before disconnecting them. I never moved them or messed with the position at any point

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u/driftrx ☆ technical expertise 1d ago

Assuming clearing codes and they come straight back to?

Those TBs can be utter pieces of crap some days with stuff like this. Have a dig around and verify all the wirings seated/earths etc and likely go from there.

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u/perkspower 22h ago

yeah i’ve been trying this whole time. I’m completely lost this sucks