Having problems with your 1990 Cadillac Deville ?

Cadillac Deville surges and loss of power

\015 My 1990 Deville suges when it gets hot, and I lose power. Also when I try to down shift ("floor it"), it will not down shift and surges badly. Even when in park or neutral it does it. Any advice is greatly appreciated. PLEASE HELP.\015 Posted / edited by AnonymousUser on : 20-09-2021

Answers :

I would first replace the FUEL FILTER. If problem persists, make sure exhaust is not partially clogged like a clogged catalytic converter. Hope this helps
Repair Help & Product Troubleshooting for 1990 Cadillac Deville

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