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cadilla

cadilla 4/17/2015

1993 Cadillac Seville Base 8 Cyl 4.90L

Engine

my check engine light stays on my car does not over heat but has pore exhaust rear air release? codes p030/p091/r026

changed ultra sensors 2 remains the same

1 Answer


Jimm

Jimm 4/18/2015

P030 (E030) = ISC RPM out of range
P091 (E091) = PRNDL Switch Problem (transaxle range switch problem)
R026 = Driver Initiator Circuit Open

Not sure what is meant by 'ultra sensors 2...'

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