07-19-06, 04:55 PM
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| Cadillac Owners Member Cadillac(s): White Diamond '03 DHS  | | Join Date: Jun 2004 Location: Woodstock Ill. Age: 61 | |
| Re: How to check for a faulty FPR (Fuel Pressure Regulator) and replace it
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Originally Posted by eurumbaev Great post. I seem to be having an opposite problem. My '94 Eldorado, 168k, has been having difficulty starting in the morning after sitting overnight, but once started, throughout the day starts on the dot. It seemed to be progressing worse and worse, untill today I wasn't able to start at all!  Is it possible that a bad FPR might be causing this type of problem as well(even thought the symptom seem opposite), or would it be more likely the fuel pump? Any suggestions would be appreciated. Thanks! | I would suspect the fuel pump. Put a guage on the fuel rail and get a fuel pressure reading. |