Question about 1992 Cadillac Seville
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Posted on Jan 02, 2017
SOURCE: No power
Code eo52 indicates that the "long term" memory in the ecm has been reset. You will get this code when power is removed from the ecm. B448 is low refrigerant pressure. B552 indicates that the keep alive or "long term'' memory in the bcm has been reset ans a result of power being removed forom the bcm. What is a TPC? The throttle position sensor should be set at -1.0 to +1.0. at lowest position by the ICS motor. The throttle position sensor should be set at 10.5 to11.5 when the ICS motor is at its maximum extension. This is done by the ICS plunger adjustment is at its lowest point. . A mis adjusted TPS sensor will result in a great loss of fuel mileage. It appears the converter is stopped up on yours.
Posted on Apr 26, 2009
Hello carol...from the symptons you describe more than likely it's the CPS (crankshaft position sensor.)
The CPS is a common problem on Cateras with these symptoms.
The sensor is a magnetic impulse type that sends a signal to the computer, the computer then triggers the fire signal. When the CPS gets weak, dirty or has low voltage the intermitten no starts occur. It will finally result in a no start at all...Please be aware that a lot of caddy dealers will and have overcharged customers for this common problem by ill advise and replaceing uneeded componets.
Good luck...i hope this helps and will fixya up.
Posted on May 22, 2009
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