P0661 Mazda -

Question

should po661 and 1569 be taken care of right away.

Answer 1

P1569 Variable tumble control system (VTCS) solenoid valve circuit low input

Both codes P0661 and P1569 are both the same code for the VTCS. if this code is not resolved . it capable of burning its PCM driver for the VCTS. not only will have a failed VTCS solenoid it can damage the ECM