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1994 Ford Ranger STX 4.0L Poor Idle Quality, Surge, Cuts out, Poor Fuel Economy
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...
FIX posted 12/1/2002
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Related Documents & Media | VIN | 1FTCR14X5R |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / sefi |
| Emissions | obd1 ca amissions |
| Symptoms | Poor Idle Quality, Surge, Cuts Out, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 172 | lack of o2 switching lean bank 1 |
| 173 | lack of o2 switching rich bank 1 |
| 176 | lack of o2 switching lean bank 2 |
| 177 | lack of o2 switching rich bank 2 |
Message Closed w/FIX
Vehicle Data
1994 Ford Ranger STX
| VIN | 1FTCR14X5R |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / sefi |
| Emissions | obd1 ca amissions |
| Symptoms | Poor Idle Quality, Surge, Cuts Out, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 172 | lack of o2 switching lean bank 1 |
| 173 | lack of o2 switching rich bank 1 |
| 176 | lack of o2 switching lean bank 2 |
| 177 | lack of o2 switching rich bank 2 |
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