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1990 Cadillac DeVille 4.5L MIL Lamp on
Hi Guys This Cad came in with a code [...] switching valve sol. had shorted and killed the internal pcm circuit.I replaced the valve and pcm,also the o2 sensor due to slow switching.A week later car came back with the same code.I have ran all of the checks...
FIX posted 5/4/2000
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Message Closed
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| VIN | 1G6CD5339L |
| Engine | 4.5 L / 8 cyl |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| E49 | air pump switching |
Message Closed
Vehicle Data
1990 Cadillac DeVille
| VIN | 1G6CD5339L |
| Engine | 4.5 L / 8 cyl |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| E49 | air pump switching |
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