1990 Cadillac DeVille 4.5L Speedometer
This is my first post and hope it is in correct section. The customer returned and stated speedometer reads almost double and fuel mileage is inaccurate. We compared dash and modis readings and they are the same. We got a second ecm by application from salvage...
FIX posted 2/13/2006
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Vehicle Data1990 Cadillac DeVille
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Message Closed w/FIX
Vehicle Data
1990 Cadillac DeVille
VIN | 1G6CD5330L |
Engine | 4.5 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / MPFI |
Emissions | FED |
Symptoms | Speedometer |
Occurs | Always |