Hey guys, after soksta reset my check engine light i've done a few more highway drives and been driving the car daily quiet far but never used fifth gear, even at highway speeds. Today, i was sick of the 3.5krpm drone and shifted to fifth, within seconds the light had come on.

This problem only seems to occur in fifth gear, there's no mods to my my01 wrx and i've replaced the exhaust sensors. Is there anyone SoR who could scan and clear this code, and tell me what's causing it if possible?

WHat is the code that was cleared?

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F.B. Racing
01 WRX (STI badged)
2010 XR5 Focus
06 Impreza Hatch 2.0i

im in cannington, if you want to shoot me a pm

I don't believe his scanner said there was an issue, after we unplugged it the CEL magically dissapeared. Prior to that, it was a rear 02 sensor, which has since been replaced, and since then, has once registered as a heat sensor?

Without a fault code its a little hard, front and rear A/F and o2 sensors both have a heater circuit.

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Its just the internet dude, its not real.
F.B. Racing
01 WRX (STI badged)
2010 XR5 Focus
06 Impreza Hatch 2.0i

None unfortunately.
The ECUDataScan didn't list any error code at all

Turned the car off and then turned it back on to see what the error code was and the CEL had cleared.
Sorry to hear that it has come back, but I hope you get it sorted out

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2015 Forester XT Premium
2020 VW Tiguan Allspace
teejay: If I wanted a comeback Id wank in front of a fan

Yeah, car runs fine but its just annoying seeing that darn light! Would be nice to know whats causing the issue, so it can be rectified =(

Not sure if this is of any help, but I had a phantom CEL for a bit. The car had issues starting and would throw a CEL, or sometimes at idle, the revs would drop and I would get a CEL. Gave the car a tap on the accelerator and the car would be fine again. But the CEL would remain on.

It would remain on for the 5? starts and then go away by itself.

Now, I would never attempt to check the code straight away. So if it was the idle issue say, I would be going to Bunnings for instance and it would happen on the way there. I would then park the car and get what I wanted & then start the car again and go home. Pull out the ECU Datascan & No codes found, or whatever it says, came up. This is still with the CEL on the dash lit up. I even took it to Subaru and they could not get a code.

What I found was by turning the car off, even once, within the 5 starts, before the code resets itself (CEL turns off), the code could not be read. I managed to get the code by not turning the car off, from the first instance when it came up. We managed to get the code, using the Evolution R code pulling machine, when the car was on the dyno at there. But then using my ECU data scan I could do it by myself, again, by having the ECU Datascan in the car with me and plugging it in as soon as the CEL came up.

You seem to know when it is going to happen, i.e:- going into 5th so maybe you could force it to happen with a borrowed, or someone with one in the car with the scanner, to see if the same thing applies that has happened to me.

It might not, but its worth a try. Especially as you seem to know when its going to happen & you can make it happen easily?

Hope this helps.

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Cheers,

Simon.

Im in mandurah area and have a scanner if you live this far sor...

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Scooby Central

Cool Story Bro!
But what was the code in your case? It may be the same thing

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Its just the internet dude, its not real.
F.B. Racing
01 WRX (STI badged)
2010 XR5 Focus
06 Impreza Hatch 2.0i