P1189 Diagnostic Trouble Code Discussion for October 2007
Engine Oil Pressure Switch Circuit Malfunction
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| Help Request | Posted | |
| 1999 Cadillac DeVille d'Elegance 4.6L No Start, no pcm data VIN: 1G6KE54Y8X P1189: Engine Oil Pressure Switch Circuit Malfunction. ok cadillac gurus, i need your wisdom... i have this cadillac that came in on the hook. customer thought it was the fuel pump, so i checked for psi,had none. so i checked fuses, fuel pump fuse was good, jumped the relay and had around 55psi. got the above code... |
October 09, 2007 |
