P1216 CHEVROLET Possible Causes
- Faulty fuel solenoid
- Fuel solenoid harness is open or shorted
- Poor electrical connection in fuel solenoid circuit
How to Fix Code P1216 CHEVROLET?
Start by checking the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or engine service warning light soon)
P1216 CHEVROLET Meaning
With engine speed above 506 RPM, engine coolant temperature (ECT) input above 34°F, system voltage between 10-16V, requested fuel flow greater than 0 mm, the Powertrain Control Module (PCM) detected that the injection pump closing time was less than 0.75 milliseconds.