I had the same ABS light and then flashing check engine light... I suspected my ovp for months now. Was never able to catch it in the act.. Finally just changed it, 3 days, and no symptoms..

Plugs and wires may cause some symptoms, but the abs light would lean me towards the ovp or elsewhere.

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Eugene

10 E63 AMG
93 300te 4matic
07 BMW X3
14 Ford F-150 Fx2