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1996 Cadillac DeVille 4.6L No Start, Poor Idle Quality, MIL Lamp on
This car has sent me over the edge! 1256 engine overheat,but the engine does not over heat. sets code 1256 I look at the ect and never does this thing go over 198, never. put a labscope on it and not even a small glitch. after full engine temp. I shut the ...
FIX posted 12/7/1999
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| VIN | 1G6KD52YXT |
| Engine | 4.6 L / 8 cyl |
| Emissions | OBD-II Compliant |
| Symptoms | No Start, Poor Idle Quality, MIL Lamp On |
| Occurs | After a Hot Soak |
Trouble Codes
| 1256 | engine overheat |
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Vehicle Data
1996 Cadillac DeVille
| VIN | 1G6KD52YXT |
| Engine | 4.6 L / 8 cyl |
| Emissions | OBD-II Compliant |
| Symptoms | No Start, Poor Idle Quality, MIL Lamp On |
| Occurs | After a Hot Soak |
Trouble Codes
| 1256 | engine overheat |
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