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| Eighty Eight Includes the '97-'98 Regency and '96-'99 LSS Models |
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#1
08-12-2008, 10:31 PM
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1989 Royale Brougham 88 Stalling Out
 Any help would be wonderful.....My 88 keeps stalling out after it runs great. Most of the time it happens after it has warmed up but not always...I have already replaced..Fuel Pump, Fuel Filter, Fuel Strainer, Fuel System Relay Switch, System Computer, Crank Sensor, Ignition Module, Coil Packs, Spark Plug Wires. Also have cleaned and sprayed the Idle Air Controller...What else could it be....Is the a sensor that can turn off the fuel pump besides the fuel system relay? It cranks just fine, it has spark and has fuel coming out of the Fuel Pressure Valve.......Somebody please help before I go and sell this great car...........
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#2
08-13-2008, 01:57 PM
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Re: 1989 Royale Brougham 88 Stalling Out
Welcome to AF. Will it start spraying carb cleaner or starting fluid into the intake? If not you have an ign or spark density issue. Why were all these parts replaced? Also when it won't start do you have injector pulse? Any codes?
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#3
08-13-2008, 02:04 PM
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Re: 1989 Royale Brougham 88 Stalling Out
No codes at all... No check engine light at all... No spark issues... Parts replaced as trial and error process. Unknown as to what's next???
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#4
08-13-2008, 02:11 PM
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Re: 1989 Royale Brougham 88 Stalling Out
The site is experiencing problems as you can see my my triple posts. Do what I said, if it starts with starting fluid, you may not have injector pulse. You may see spark but it can be too weak to fire a mixture under pressure. Also try disconnecting the maf when it won't start, you are now due for some diagnostics as all the replacements did not work.
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#5
08-15-2008, 09:47 AM
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Re: 1989 Royale Brougham 88 Stalling Out
I appreciate all the response. I have a new direction please help again... The latest stalling has occured but this time it appears to something affecting the power to the fuel pump. It will run and sometimes it won't. Is there a switch or sensor that can turn off the fuel pump? Remember I have already replaced all those parts mentioned above. The only part not replaced is the camshaft sensor. I just read about that. Would this be related to making the fuel pump cut off ????
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#6
08-15-2008, 10:21 AM
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Re: 1989 Royale Brougham 88 Stalling Out
Cam sensor has no effect on the FP. Look for a bad relay or wiring to the pump. Burnt connectors at the relay. Poor connections at the pcm.
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