
1997 Oldsmobile Bravada 4.3L Misfire
This thing is driving me nuts,has a misfire usually cold,at about 1500 to 2000 [...] occurs on cylinder 3 and 4 mainly,but have seen all cylinders [...] after it warms up good the misfires go away....I have scoped the ignition system and have seen no problems ...
FIX posted 2/18/2014
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Message Closed w/FIX
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VIN | 1GHDT13W7V |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / csfi |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Cold, Under Load, Intermittently |
Trouble Codes
P0147 | Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction |
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1997 Oldsmobile Bravada
VIN | 1GHDT13W7V |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / csfi |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Cold, Under Load, Intermittently |
Trouble Codes
P0147 | Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction |
P0300 | Multiple Misfire Detected |