Code 24 and 31 help me 3.0 95 runner
I have recently bought a 95 4Runner and it had a gnarly surging idle. So naturally I had thought IAC/Throttle body needed a good ol' cleanin. Well I had took the throttle off and took the TPS off and cleaned said throttle/IAC put the TPS on in spec. Well now it wont even start. Unplug AFM and it starts right up but give some beans on the gas and it dies. I get the AFM remanufactured through Rock Auto/Cardone, I slap it on , truck fires right up but still rough and surging. I put it in drive, goes like 7 feet and dies. I jump the DIAG thingy get code 24 and 31. So now I'm stuck. I'm getting fuel/spark. Distributor is in time. Timing chain is in time.
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Well there are your starting points. Google codes 24 and 31 for a 3VZ-E.
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What do those codes have in common? The connector to the VAF. Your VAF is probably fine, but you should test it to be sure. http://web.archive.org/web/201003261...92volumeai.pdf You probably have a problem in the wiring to the connector.
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how would one go about checking the connector? AFM is good.
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Same way you tested the VAF, just do it from the ECM connector. http://web.archive.org/web/201003261...e/102engin.pdf
[Do reset the codes by removing the EFI fuse for about 30 seconds. These could be stored codes left over from when you changed the VAF.] |
Check my post from about 2 weeks ago.. I have the same damn problem
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Originally Posted by scope103
(Post 52474822)
Same way you tested the VAF, just do it from the ECM connector. http://web.archive.org/web/201003261...e/102engin.pdf
[Do reset the codes by removing the EFI fuse for about 30 seconds. These could be stored codes left over from when you changed the VAF.] |
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