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1991 Ford Bronco Custom 5.8L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to Ford Driveability on 1/27/2005 3 Replies

Guys, This was towed in the other day for a no start and we cleaned the plugs and it started. Tried to read codes and the scan tool would work with the key off but as soon as you turn the key on the scanner would fade out. I've traced the problem to the sig rt...

3 Replies Received (View Replies)

  Related Documents & Media  1991 Ford Bronco Custom

 
Message Closed w/FIX

car Vehicle Data

1991 Ford Bronco Custom

VIN 1FMEU15HZM
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

113Act open
118ect open
123tp above max voltage
126map out of range
337evp max voltage
634mlp sensor out of range //// 637 tot open
Message Closed w/FIX

car Vehicle Data

1991 Ford Bronco Custom

VIN 1FMEU15HZM
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

113Act open
118ect open
123tp above max voltage
126map out of range
337evp max voltage
634mlp sensor out of range //// 637 tot open