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1991 Dodge Grand Caravan SE 3.3L Poor Idle Quality, Surge, Poor Fuel Economy
the problem is after running for awhile I get a intermittent bucking and popping. I found that the voltage on the O2 went from normal .50v to 4.55 volts and that's even if it's unpluged at the O2 sensor.I traced it back to the (SBEC) and the voltage is coming ...
FIX posted 9/15/2002
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Related Documents & Media | VIN | 1B4GK44R3M |
| Engine | 3.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / mpi |
| Symptoms | Poor Idle Quality, Surge, Poor Fuel Economy |
| Occurs | Intermittently |
Trouble Codes
| 21 | o2 out of range high for too long |
Message Closed
Vehicle Data
1991 Dodge Grand Caravan SE
| VIN | 1B4GK44R3M |
| Engine | 3.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / mpi |
| Symptoms | Poor Idle Quality, Surge, Poor Fuel Economy |
| Occurs | Intermittently |
Trouble Codes
| 21 | o2 out of range high for too long |
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