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SKYLINE WON'T drive normally

Jonic

By Jonic,
in Engines & Forced Induction

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Jonic Enthusiast

Jonic

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SKYLINE WON'T drive normally

So after thrashing it down the road, my car went into a LIMP mode, now when I drive, it won't go over 2000rpm, even when parked I can't rev it pass 2000, it's like hitting a rev Limiter. So I suspected the AFM, spark plugs and Coils so, I cleaned the AFM (sprayed it down) and replace all my coils and spark plugs. Car starts up great but the problem is still there, what could it be? 

I have reset my ECU already.

Before the limp mode starts, the car will drive fine till about down 3mins after it will just LIMP MODE the whole way, once I start my car again it will be normal for abit and then again LIMP

My Skyline is R34 Triptronic.

My engine light has always been on before this occur so I can't tell if another problem popped up so I have to check on that. 

I think also my A/T flashes before I start my car

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Jonic Enthusiast

Jonic

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If your Mass Airflow sensor is broken the car won't exceed 2000rpm

This thing is when I start the car it will drive normal and goes over 2000rpm but after about 3 mins or so it will just start to choke and chug and can't even drive over 40kms :(
blind_elk Grand Master

blind_elk

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On 02/12/2016 at 7:58 PM, Jonic said:

My engine light has always been on before this occur so I can't tell if another problem popped up so I have to check on that. 

It was on for a reason - there's something wrong. **Sigh**

So God only knows what might have broken to cause your current situation. (but I'll back the AFM as the chief culprit)

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  • 4 weeks later...
Jonic Enthusiast

Jonic

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Car runs fine now and I didn't do anything really, just reset the code and I can finally drive it pass 2000rpm. Problem now is when I'm driving, at a red light my idle drops and sometimes the car dies, but starts right back up no problem. Any clues because my mechanics are clueless. The cel code was A/T and ABS fault but that has nothing to do with my current problem zz

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