91 4age levin has a bad miss

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Postby sergei » Sun Jun 24, 2007 7:45 pm

d. Wire fault.
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Postby Alex B » Sun Jun 24, 2007 7:58 pm

Why was the AFM played with in the first place??
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Postby bluemaumau » Sun Jun 24, 2007 7:59 pm

yea id guess thats the issue, id just buy another that hopefully hasnt be tampered with
4AGTE AE101 COROLLA - 90%

Where the $&#$% is that oil leak coming from /club

looking for enkei RP01 center caps (white)
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Postby kyliebrat » Sun Jun 24, 2007 8:18 pm

Why does the AFM needs replacing? I havnt played with anything the boys were trying to figure out what was wrong and i dont know what they touched really
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Postby Alex B » Sun Jun 24, 2007 8:22 pm

Well AFM is easy to stuff up, especially if your not really 100% on what your doing with it.
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Postby kyliebrat » Sun Jun 24, 2007 8:37 pm

ok. Where is the AFM? What does it do?
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Postby l1ttle_d3vil » Sun Jun 24, 2007 8:40 pm

its the part the air filter is bolted to. thats why we pulled the air filter off - to check that the AFM wasn't jammed open or something.

its an Air-Flow Meter, basically tells the computer how much air is going into the engine + how much fuel to put in.
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Postby kyliebrat » Sun Jun 24, 2007 8:49 pm

Yeah i just figured out what it meant lol bondey here ok lol
Yeah kane has played with that ... he's a mechanic so i should hope he knows what hes doing and its had 2 of those things before
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Postby l1ttle_d3vil » Sun Jun 24, 2007 9:34 pm

meh, most mechanics don't even know what they're doing in this town haha.

not saying that I do!! :roll:

just tell nathan to bring it round one night after work or something and we can try get the fault codes again. we were probably doing it wrong last time :wink:
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Postby kyliebrat » Thu Jun 28, 2007 4:55 pm

Kane put a new ecu in so will drive it around an see how it goes! :)
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Postby Heppy » Sat Jun 30, 2007 12:25 pm

Hello, new to the forums, but looks like a good source of knowledge here.
I have a 20valve Mk1 MR2 that I purchased in a not too good state, and are slowly nursing it back to health.

The problem you are having with getting error codes out of the silvertop is probably TPS related.
To get into diagnostic mode as you already know you bridge E1 and TE1 then turn on the ignition, but also the throttle has to be open, eg Idle Switch closed(This switch is part of the TPS)
If the switch is faulty, throttle cable incorrectly adjusted, throttle body's open for some reason, wire boken, then there will be no codes.
This is easily checked by pulling the plug off the TPS and checking for near to zero ohms between pins 3 and 4 of the TPS.

If the TPS is ok, get the wiring diagram and make sure the circuit is ok.
After that ECU.
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