p1406 on GM 3.1 L sfi engine 1997?

Dizel

New member
here is the freeze frame for this code please help?

ENGINE SPEED 999 RPM
COOLANT TEMP 66 DEG F
VEHICLE SPEED 0 MPH
BAROMETRIC PRESSURE 71 IN HG
INJECTOR PULSE WIDTH 6.9 ms
LTFT -0.8%
MAP 14 IN HG
MAF AIR FLOW 9 g/s
STFT -0.8%
TP ANGLE 0%
 
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