What is your question?
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What is your question?
have a 125,000 on it with the 3.5 liter engine
1 Reply
At our shop we recommend to replace Platinum tipped plugs every 60K miles. Based on your miles you should have done it at 120K if it was following standard practice. On many cars no many manufacturers recommend to change every 100K miles. Again you are past due if not done at 100k.