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1994 Ford Ranger STX 4.0L Poor Idle Quality, Surge, Cuts out, Poor Fuel Economy
Posted to Ford Driveability on 11/27/2002 2 Replies

hi group another tech here at the shop did head gaskets on tnis thing, vehicle came back next day with surging problem, vehicle is running rich, maf sensor at idle reading .6 to .7 volts, ect reading .65 volts 210 degrees, iat reading properly, bank 1 o2 senso...

2 Replies Received (View Replies)

  Related Documents & Media  1994 Ford Ranger STX

 
Message Closed w/FIX

car Vehicle Data

1994 Ford Ranger STX

VIN 1FTCR14X5R
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / sefi
Emissionsobd1 ca amissions
SymptomsPoor Idle Quality, Surge, Cuts Out, Poor Fuel Economy
OccursAlways

Trouble Codes

172lack of o2 switching lean bank 1
173lack of o2 switching rich bank 1
176lack of o2 switching lean bank 2
177lack of o2 switching rich bank 2
Message Closed w/FIX

car Vehicle Data

1994 Ford Ranger STX

VIN 1FTCR14X5R
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / sefi
Emissionsobd1 ca amissions
SymptomsPoor Idle Quality, Surge, Cuts Out, Poor Fuel Economy
OccursAlways

Trouble Codes

172lack of o2 switching lean bank 1
173lack of o2 switching rich bank 1
176lack of o2 switching lean bank 2
177lack of o2 switching rich bank 2