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Location:
Madrid - Spain
Registered:
August 2002
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1G-GTE Error Code 25
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Wed, 18 February 2004 02:46
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G'day All,
My 1G has been doin some funny stuff lately. It runs really well WOT but really flat and rough when cruising. Kinda like a carby fed engine with a clogged filter.
Anyway, I checked the diagnostics and got two codes 42 and 25. I looked up the list of codes that Craig kindly posted in the tech section and 42 was the spped sensor which I was expecting (don't have it hooked up)
Now Craigs list doesn't have 25 but from what I understand, 25 and 26 are generic (for all engines) toyota codes for monitoring A/F ratio's. Can anyone confirm this????
I reset the computer and it is driving as it should now.  my second question is if it was an A/F ration problem, what would be some likely causes for this alert and is it likely to "learn" its way back to the crappy tune it had yesterday.
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Location:
sydney
Registered:
March 2003
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Re: 1G-GTE Error Code 25
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Wed, 18 February 2004 02:59
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this is info i have
25
A/F Lean
• O2 sensor output in less than 0.45 volts for at least 90 seconds when O2 sensor is warmed and 1500 rpm or above.
• open injector circuit
• lack of fuel pressure
• Ignition system
• Vacuum sensor
• O2 sensor
• ECU
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Location:
Madrid - Spain
Registered:
August 2002
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Re: 1G-GTE Error Code 25
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Wed, 18 February 2004 03:17
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Cheers I will look into them.
It doesn't ping under boost, so i guess the injectors ignition and fuel pressure is good??? or is this wishfull thinking.
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Location:
Adelaide
Registered:
May 2002
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Re: 1G-GTE Error Code 25
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Wed, 18 February 2004 08:17
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I have the miss like in the other thread, how do I go about getting the error codes out ?
and also how do I reset the computer?
Brendon
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Location:
Madrid - Spain
Registered:
August 2002
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Re: 1G-GTE Error Code 25
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Wed, 18 February 2004 09:34
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If you have your engine check light hooked up, then it is really simple.
1. turn engine off
2. short the TE1 and E pins on the diagnostic plug. (use anything that will conduct electricity)
3. turn your key to the on position and count the flashes. If it just flashes regularly then there is no codes.
To reset the computer just pull the fuse on the main power feed to the computer for a few seconds. If you didn't wire it up and don't know what fuse to pull, disconnect the battery. Does the same thing but wipes your stereo and could set off your alarm.
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