Check Engine Light on. Do not PANIC. P1521 Hemi MDS Tips. Incorrect Engine Oil Type. Use SAE 5W-20.

Jeep in the shop, found P1521 stored in the memory so I decided to speak on it. Please take such trouble codes serious guys. Some engines very sensitive to this. #Hemi #P1521 #HemiTick If this video in any way helped you save time and money, please consider donating. Paypal Donate Link here: www.paypal.me/OnlineMechanicTips?locale.x=en_US Cash App $JohnnieThomas

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