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1990 Cadillac Fleetwood 4.5L Misfire
We suspect the ECM has some trouble for the communication and engine fuel delivery control. The fuel injectors resistance #3 17.9 ohm, #7 17.3 at 130 degree, the new one is 16.6 at 90 degree. The voltage of the injectors when engine runs at idle, hot #1: 13.3-...
FIX posted 8/12/2002
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Message Closed w/FIX
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| VIN | 1G6CB534L4 |
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / PFI |
| Emissions | CANADA |
| Symptoms | Misfire |
| Occurs | Always |
Trouble Codes
| E48 | egr system fault |
| E75 | vss signal intermittent |
Message Closed w/FIX
Vehicle Data
1990 Cadillac Fleetwood
| VIN | 1G6CB534L4 |
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / PFI |
| Emissions | CANADA |
| Symptoms | Misfire |
| Occurs | Always |
Trouble Codes
| E48 | egr system fault |
| E75 | vss signal intermittent |
1 Replies Received
1 Replies Received
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