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1998 BMW 528i, HO2S, Ignition - Primary, Ignition - Secondary Waveform
red trace is trigger , COP #1 current , Blue trace is 2ndary spark , Yello/orange trace is bank 1 o2 sensor 5v , green trace is Bank 2 o2 sensor 5v. this waveform shows a regular misfire on bank 2 , see the regular blip in the bank two o2 sensor that occurs 1x...
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| Engine | 2.8 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | , , |
| Condition | Known Bad |
References
TECH: 97 Suburban random misfire I cant locate?
TECH: 99 Tahoe misfires, P0300
TECH: Toyota When is a Misfire not a Misfire
TECH: 1995 tacoma 2.7 misfire
TECH: BMW 540i
TECH: MISFIRE 96 WINDBAG NOT EGR
TOOL: standalone vs. PC based oscilloscopes
THEORY: misfire 1998 subaru forester 2.5L
THEORY: Post Cat 0-2 and fuel trim?
SNAPON: Vantage PRO - Ignition Scope FAILURE
Vehicle Data
1998 BMW 528i 2.8L
| Engine | 2.8 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | , , |
| Condition | Known Bad |
References
TECH: 97 Suburban random misfire I cant locate?
TECH: 99 Tahoe misfires, P0300
TECH: Toyota When is a Misfire not a Misfire
TECH: 1995 tacoma 2.7 misfire
TECH: BMW 540i
TECH: MISFIRE 96 WINDBAG NOT EGR
TOOL: standalone vs. PC based oscilloscopes
THEORY: misfire 1998 subaru forester 2.5L
THEORY: Post Cat 0-2 and fuel trim?
SNAPON: Vantage PRO - Ignition Scope FAILURE
Video