When there is a code present in the PGM-FI system the check engine light comes on. The VSA system see's this code and stores a code for power-train system failure and turns on its light too. If the engine is running rough you should get it diagnosed ASAP. Some repair shops pull codes for free or you can get a code reader at your local parts store for the do-it-yourself-er. Find out what codes are present and I can help you more if you want to diag it yourself. lmk
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When there is a code present in the PGM-FI system the check engine light comes on. The VSA system see's this code and stores a code for power-train system failure and turns on its light too. If the engine is running rough you should get it diagnosed ASAP. Some repair shops pull codes for free or you can get a code reader at your local parts store for the do-it-yourself-er. Find out what codes are present and I can help you more if you want to diag it yourself. lmk