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miss fire on a 92 4-runner

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Old 01-23-2012, 04:32 PM
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miss fire on a 92 4-runner

I have a 92 4- runner with v-6 motor. Swapped in a motor out of an 88 motor ran great before pulled. Now I have a miss fire on cyl #1 I have changed the spark plug,wires,cap and rotor, distributor,and injector. Has not changed anything. I am out of ideas anyone have any ideas thanks.
Old 01-23-2012, 05:34 PM
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Did you swap the injectors??????

'88 used a low impedance and your '92 ECU uses high impedance. You may have smoked all the injectors.
Old 01-23-2012, 05:55 PM
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Ya I swapped all the injectors out of the 92 motor which ran just had a rod knock also put the distributor out of the 92 all the coolant sensors at the back of the manifold

Last edited by reubenhayden; 01-23-2012 at 08:01 PM.
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