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1991 Ford F-350 Custom 7.5L Excessive Emissions, Poor Idle Quality
Posted to Ford Driveability on 5/8/2013 15 Replies

Vehicle runs rough/black smoke at idle, lacks power on accel. Worse cold. Codes 22 & 26 present. O2 reading 960 mv at idle. Ignition timing at 10 deg w/ spout disconnected, does not change when reconnect spout & has no advance when increase engine rpm in stall...

15 Replies Received (View Replies)

  Related Documents & Media  1991 Ford F-350 Custom

 
Message Closed w/Summary

car Vehicle Data

1991 Ford F-350 Custom

VIN 2FTJW36G1M
Engine7.5 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
SymptomsExcessive Emissions, Poor Idle Quality
OccursAlways

Trouble Codes

22Map/baro out of range
26Trans operating temp out of range
Message Closed w/Summary

car Vehicle Data

1991 Ford F-350 Custom

VIN 2FTJW36G1M
Engine7.5 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
SymptomsExcessive Emissions, Poor Idle Quality
OccursAlways

Trouble Codes

22Map/baro out of range
26Trans operating temp out of range