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'95 3vz-e black smoke (rich) - uplugging maf

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Old 08-14-2023, 07:25 AM
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'95 3vz-e black smoke (rich) - uplugging maf

I've been chasing down some issues on my '95 v6. I ended up replacing the fuel pump, injectors, tps (could I have installed this wrong?) and pressure regulator but it's still running rich with lots of black smoke. I was testing the MAF/AFM? and left it unplugged and started it up. The engine was cold but seemed to run normal (a little bit high idle). I then plugged the maf back in and it idled down and started pumping out black smoke again, i removed it again and back to ~normal. What does this mean?

Last edited by tzavaleta; 08-14-2023 at 10:09 AM.
Old 08-14-2023, 11:28 AM
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engine codes logged?
Old 08-14-2023, 12:25 PM
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Originally Posted by Jimkola
engine codes logged?
no, no codes. I used the jumper method and got a steady blink.
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