04 350z will only idle. Dies when try and rev
#1
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Join Date: Jul 2010
Location: Willits California
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04 350z will only idle. Dies when try and rev
I need some help from Nissan guru.. I bought my 04 350z roadster as a total. It hit a guard rail doing 70mph. It needed rt ft suspension, frame work on the rt ft, rt rear suspension, pass air bags and seat belt, thats about it. I got it all together and now it won't run. It will start and idle fine. It seams fine for 5 min or so, will drive and rev fine. Then after it starts to warm up after 5 min or so it will only Idle. If I touch the throttle it dies or cuts out will not rev.What could be wrong. Did no work to the engine, Had the radiator and stuff out but nothing else.. Please Help No nissan dealer for 2 hours away.
#2
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Try doing all the ecu reset procedures first. There are a few le-learns that your car may need to go through. Do you have a scanner/code reader? Does the car have any codes? You should keep trying from a cold start until all the rediness monitors come on, then it can throw a cel, if it needs to. Were there any wire harness issues from the wreck? It doesn't sound like it was too bad but you never know. http://www.technosquareinc.com/350reset.htm Don't get bummed if it doesn't work, these resets are tricky to do. Try it a couple times with a friend.
Last edited by myfirstzcar; 07-08-2010 at 03:15 PM.
#3
Did you ever figure this out? My car is doing the exact same thing and I dont know what is causing it, changed fuel pump, maf, crank and cam sensors, engine wiring harness
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Cats seem to be fine, more to the issue, car only does it when reaching operating temperature. Fuel pressure seems to drop when stall happens, but if I disconnect the ECT sensor the car will run and drive fine (except fans being on).
I uploaded a video of the stall and fuel pressure. It almost seems like the ecu losses power when it happens, and if I let the car stall and keep the throttle pressed I can hear the fuel pump relay clicking repeatedly. Once I let off the throttle (while the car is still off from stalling) I the fuel pump primes again.
In the video the car doesn't stall because if you let off the throttle quick enough, it will catch it self and run. Ignore all the lights on the dash, they've all been resolved except airbag and TPMS.
I uploaded a video of the stall and fuel pressure. It almost seems like the ecu losses power when it happens, and if I let the car stall and keep the throttle pressed I can hear the fuel pump relay clicking repeatedly. Once I let off the throttle (while the car is still off from stalling) I the fuel pump primes again.
In the video the car doesn't stall because if you let off the throttle quick enough, it will catch it self and run. Ignore all the lights on the dash, they've all been resolved except airbag and TPMS.
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