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P1670 Diagnostic Trouble Code Discussion for May 2007

Output Driver 4 Voltage High Input

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Trouble Ticket Help Requests for DTC P1670
Help Request Posted
1995 Buick Riviera 3.8L Hesitation, Stall VIN: 1G4GD2213S
P1670: quad driver 4. the car has a slight misfire under load and hesitation. ign module was put on helped some with the hesation but it was still there. i put a cam sensor in no change but now when i go to start it. it will stall. i try to start it and about 3 times it will start ...
May 31, 2007