
1992 Ford Ranger STX 4.0L Poor Fuel Economy
brother in law just bought truck,hard on gas koer test gives codes 157 158 and [...] starts fine o2s goes steadly up and stays at .87 volts,can,t get data on mass air flow,if you unplug it while running makes no [...] bad mass air cause o2 to stay rich/?
FIX posted 5/3/2011
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)17 Replies Received(Hide Replies)17 Replies Received
|
Message Closed w/FIX
|
VIN | 1FTCR15X4N |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection |
Symptoms | Poor Fuel Economy |
Occurs | Always |
Misc. | Codes P0157,158,173 |
Message Closed w/FIX
Vehicle Data
1992 Ford Ranger STX
VIN | 1FTCR15X4N |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection |
Symptoms | Poor Fuel Economy |
Occurs | Always |
Misc. | Codes P0157,158,173 |