1990 rx7 idleing problem

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03-10-11, 09:19 PM

TroyDarby

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1990 rx7 idleing problem

my 13b is idleing between 1000 and 2000 rpm. it revs high low high low. My friend said the ecu? what could it be

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03-10-11, 09:39 PM

mar3

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Not a 2ndgen guy myself...thread released so some of the resident 2ndgen guru's can drop some tips for you, Troy.

Mario III

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03-10-11, 09:48 PM

TroyDarby

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Thanks a bunch

nobody ever answered

Last edited by mar3; 03-13-11 at 03:09 PM. Reason: Merged back-to-back posts...

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03-11-11, 12:49 PM

satch

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Might be the TPS in need of adjustment or a vacuum leak or both. The TPS has a Green/Red wire connected to it among others and the Green/Red wire needs to have 1 volt on it w/key to on after the engine has been thoroughly warmed up. There is a screw covered in a spring located on the front of the throttle linkage that is used to set the TPS to 1 volt if it is out of adjustment.