
1989 Ford Mustang GT 5.0L MIL Lamp on
Car runs fine. Fuel economy 19 city, 24 highway. No
apparent signs of drivability accept for the codes. The
main wiring harness was in bad shape and I replace it with
a good used [...] thing works the way it should.
Summary posted 7/28/2013
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Message Closed w/Summary
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VIN | 1FABP42E4K |
Engine | 5.0 L / 8 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection / SEFI |
Emissions | OBD1 |
Symptoms | MIL Lamp On |
Trouble Codes
41 | HEGO sensor circut indicates system lean right side |
91 | No HEGO switching detected always lean left side |
Message Closed w/Summary
Vehicle Data
1989 Ford Mustang GT
VIN | 1FABP42E4K |
Engine | 5.0 L / 8 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection / SEFI |
Emissions | OBD1 |
Symptoms | MIL Lamp On |
Trouble Codes
41 | HEGO sensor circut indicates system lean right side |
91 | No HEGO switching detected always lean left side |