Trouble with Tributes

Some 2010-2011 Mazda Tributes equipped with the 2.5L engine may exhibit DTCs P0016 (crankshaft position – camshaft position correlation – Bank 1 Sensor A), P052A (cold start camshaft position timing over-advanced – Bank 1) and P052B (cold start camshaft position timing over-retarded – Bank 1). This may be accompanied by hard-start and/or rough idle.

This may be due to debris temporarily restricting the movement of the variable camshaft timing solenoid (VCT).

1. Clear DTCs.

2. Perform drive cycle exercising the throttle to generate VCT movement. If a concern exists, the DTCs will trigger on the first key event. However, it takes a second key event for the MIL to illuminate.

3. Did the DTCs P0016, P052A or P052B return?

a. No….the DTCs did not return.

b. No further repair is required.Yes…refer to MS3 online or workshop manual section 01-01 Variable Camshaft Timing (VCT) Malfunction.

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