Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
The cost of diagnosing the P1604 Toyota code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
The P1604 code is stored if the engine does not start or when the engine takes a long time to start, and when the engine speed is low or the engine stalls just after the engine starts. The P1604 code is also stored if the vehicle has run out of fuel. It is necessary to check whether there was enough fuel in the fuel tank before performing this inspection.
Need more information on how to fix the P1604 Toyota code? Get Access to Factory Service Manuals
Get the P1604 Toyota code diagnosed by a professional: Find a repair shop in your area
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