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P0099 Diagnostic Trouble Code Discussion for October 2004

Intake Air Temperature Sensor 2 Circuit Intermittent.


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Trouble Ticket Help Requests for DTC P0099
Help Request Posted
1994 Cadillac DeVille 4.9L Cuts out VIN: 1G6KD52B7R
P0099: cruise on all time. When you put engine under load it acts like you have a rev limiter on it. Checked and found that half the injectors are cutting out from ECM. Still have the source voltage, but looses ground from ECM. Any help is welcome. Tried removing servo wiring at ECM and...
October 06, 2004
1994 Cadillac DeVille 4.9L Cuts out VIN: 1G6KD52B7R
P0099: cruise on all time. When you put engine under load it acts like you have a rev limiter on it. Checked and found that half the injectors are cutting out from ECM. Still have the source voltage, but looses ground from ECM. Any help is welcome. Tried removing servo wiring at ECM and...
October 07, 2004
1994 Cadillac DeVille 4.9L Cuts out VIN: 1G6KD52B7R
P0099: cruise on all time. When you put engine under load it acts like you have a rev limiter on it. Checked and found that half the injectors are cutting out from ECM. Still have the source voltage, but looses ground from ECM. Any help is welcome. Tried removing servo wiring at ECM and...
October 06, 2004
1994 Cadillac DeVille 4.9L Cuts out VIN: 1G6KD52B7R
P0099: cruise on all time. When you put engine under load it acts like you have a rev limiter on it. Checked and found that half the injectors are cutting out from ECM. Still have the source voltage, but looses ground from ECM. Any help is welcome. Tried removing servo wiring at ECM and...
October 07, 2004