BodybyFisher Posted June 19, 2019 Report Share Posted June 19, 2019 Check fuel pressure, change fuel filter. Report fuel pressure numbers here. Is the check engine light on? Does the check engine light flash when this stuttering occurs? Have you checked codes? Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
rockfangd Posted June 20, 2019 Report Share Posted June 20, 2019 I agree with above. I might also mention to check your throttle position sensor. If it is only occuring under WOT but not hard acceleration that makes me think to check that. If it does it under hard acceleration in general there are many possibilities Quote GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
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