
1990 Ford Mustang LX 5.0L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy
Hi I am new to this and this will be my 1st time for asking help. I have a 1990 ford mustang in the shop that idles poorly. we checked the plugs and wires-all ok, pulled codes on it and get HEGO codes. We checked the wiring and they have voltage and it seems n...
Summary posted 5/8/2008
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Message Closed w/Summary
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VIN | 1FACP41E2L |
Engine | 5.0 L / 8 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / sefi |
Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy |
Occurs | Always, Idle, Smells Like Gas |
Misc. | Idles Rough |
Trouble Codes
41 | hego sensor ckt indicates lean no hego switching detected |
91 | hego sensor indicates lean front left no hego switching detected |
Message Closed w/Summary
Vehicle Data
1990 Ford Mustang LX
VIN | 1FACP41E2L |
Engine | 5.0 L / 8 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / sefi |
Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy |
Occurs | Always, Idle, Smells Like Gas |
Misc. | Idles Rough |
Trouble Codes
41 | hego sensor ckt indicates lean no hego switching detected |
91 | hego sensor indicates lean front left no hego switching detected |