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1987 Buick Gran Nat, Injector, MAF, Waveform
I disconnected everything from the ECM that was not needed to drive
the car. The problem was still there, so I did one more test with a
piece of shop eguipment that I never dreamed would help me find an
electrical problem, My shinny chrome shop vac.
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| Engine | 3.8 L / 6 cyl |
| Subsystem | ECM/Inputs/Outputs |
| Component | , , |
| Condition | Known Bad |
Vehicle Data
1987 Buick Gran Nat 3.8L
| Engine | 3.8 L / 6 cyl |
| Subsystem | ECM/Inputs/Outputs |
| Component | , , |
| Condition | Known Bad |
Video