VS 350Z

iTrader: (6)

I have a service engine soon light, vdc light, and a slip light all on and it will not let my car rev at all, let alone I can't drive it. Any ideas how to fix? I was driving fine and then all of a sudden those lights came on and I couldn't go anywhere. Thank goodness it happen right before my house.

Z1 Performance

iTrader: (564)

it's likely your throttle body needs to be replaced

you can try to relearn the tps (search for the instructions) - may or may not work

VS 350Z

iTrader: (6)

Do I just press on the gas peddle and have someone open the throttle plate? If I replace my throttle body, can I get a bigger throttle body and if so which one and where can I buy it?

Z1 Performance

iTrader: (564)

Accelerator Pedal Release Position Learning

Operation Procedure
1. Make sure that the accelerator pedal is fully released.
2. Turn ignition switch “ON” and wait at least 2 seconds.
3. Turn ignition switch “OFF” wait at least 10 seconds.
4. Turn ignition switch “ON” and wait at least 2 seconds.
5. Turn ignition switch “OFF” wait at least 10 seconds.


Throttle Valve Closed Position Learning

Operation Procedures
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch is “ON”.
3. Turn ignition switch is “OFF” wait at least 10 seconds.
Make sure that the throttle valve moves during above 10 seconds by confirming the operating sound.


Idle Air Volume Learning (Throttle Position Learning)
It is better to count the time accurately with a clock.

Operation Procedures
1. Perform “Accelerator Pedal Released Position Learning”.
2. Perform “Throttle Valve Closed Position Learning”.
3. Start engine and warm it up to normal operating temperature.
4. Turn ignition switch “OFF” and wait at least 10 seconds.
5. Conform that accelerator pedal is fully released, turn ignition switch “ON” and wait 3 seconds.
6. Repeat the following (steps 7a, 7b) procedures quickly five times within 5 seconds.
7a. Fully depress the accelerator pedal (HARD)
7b. Fully release the accelerator pedal.
8. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the Check Engine Light (CEL) stops blinking and turned ON.
9. Fully release the accelerator pedal within 3 seconds after the CEL is ON.
10. Start engine and let it idle.
11. Wait 20 seconds.
12. Rev up the engine two or three times and make sure the idle speed and ignition timing are within the specifications


there are no larger than stock bodies that will fit (stock is already larger than the engine needs); the aftermarket has a few places that will bore yours and fit a slightly larger (2mm as I recall) blade inside it. We had one on one of our cars once...don't bother, it didn't amount to a hill of beans

vthao

iTrader: (3)

If that doesn't work, new tps.

VS 350Z

iTrader: (6)

Thank you so much for the good detailed information!!! I'll try it and hopefully it'll work because I have much bigger and better things to be buying.

VS 350Z

iTrader: (6)

looks like i'm going to have to be buying a new one

ZKansasZ

iTrader: (10)

any update on this since my car did the same thing last night after a 5 hours trip home.

But then after I restarted the car a couple times, everything goes away accept the Service Engine Soon light(I then checked the gas cap multiple times in case of forgetting about tightening it)
I drove the car a couple times this morning but the Service Engine Soon light still stays on...

ZKansasZ

iTrader: (10)

code 1121 is the problem.
now what to do?

Z1 Performance

iTrader: (564)

idle related - follow the reset procedures I posted above

ZKansasZ

iTrader: (10)

I printed out your procedures and followed that but was not sucessful.
I think it is me that cant get your cheat sheet correctly.
BTW, thanks for that instruction though!